6 jaren geleden · 23471a7a67
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															+        </script></nav></div><div class="container mainContainer postContainer blogContainer"><div class="wrapper"><div class="lonePost"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle"><a href="/blog/2019/06/25/blog-post.html">New release of python module</a></h1><p class="post-meta">June 25, 2019</p><div class="authorBlock"><p class="post-authorName"><a href="https://research.fb.com/people/celebi-onur/" target="_blank" rel="noreferrer noopener">Onur Çelebi</a></p><div class="authorPhoto"><a href="https://research.fb.com/people/celebi-onur/" target="_blank" rel="noreferrer noopener"><img src="https://graph.facebook.com/663146146/picture/?height=200&amp;width=200" alt="Onur Çelebi"/></a></div></div></header><div><span><p>Today, we are happy to release a new version of the fastText python library. The main goal of this release is to merge two existing python modules: the official <code>fastText</code> module which was available on our github repository and the unofficial <code>fasttext</code> module which was available on pypi.org. We hope that this new version will address the confusion due to the previous existence of two similar, but different, python modules.</p>
														
 
															+<p>The new version of our library is now available on <a href="https://pypi.org/project/fasttext/">pypi.org</a> as well as on our github repository, and you can find <a href="/docs/en/python-module.html">an overview of its API here</a>.</p>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="fasttext-vs-fasttext-what-happened"></a><a href="#fasttext-vs-fasttext-what-happened" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>fastText vs fasttext: what happened?</h2>
														
 
															+<p>There was an ongoing confusion among our user community about the existence of both <code>fastText</code> and <code>fasttext</code> modules.</p>
														
 
															+<p>When fastText was first released in 2016, it was a command line only utility. Very soon, people wanted to use fastText's capabilities from python without having to call a binary for each action. In August 2016, <a href="https://github.com/pyk">Bayu Aldi Yansyah</a>, a developer outside of Facebook, published a python wrapper of fastText. His work was very helpful to a lot of people in our community and he published his unofficial python library on pypi with the pretty straighforward module name <code>fasttext</code> (note the lowercase <code>t</code>).</p>
														
 
															+<p>Later, our team began to work on an official python binding of fastText, that was published under the same github repository as the C++ source code. However, the module name for this official library was <code>fastText</code> (note the uppercase <code>T</code>).</p>
														
 
															+<p>Last year, Bayu Aldi Yansyah gave us admin access to the pypi project so that we could merge the two libraries.</p>
														
 
															+<p>To sum up, we ended up with two libraries that had:</p>
														
 
															+<ul>
														
 
															+<li>almost the same name</li>
														
 
															+<li>different APIs</li>
														
 
															+<li>different versions</li>
														
 
															+<li>different ways to install</li>
														
 
															+</ul>
														
 
															+<p>That was a very confusing situation for the community.</p>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="what-actions-did-we-take"></a><a href="#what-actions-did-we-take" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>What actions did we take?</h2>
														
 
															+<p>Today we are merging the two python libraries. We decided to keep the official API and top level functions such as <code>train_unsupervised</code> and <code>train_supervised</code> as well as returning numpy objects. We remove <code>cbow</code>, <code>skipgram</code> and <code>supervised</code> functions from the unofficial API. However, <a href="#wordvectormodel-and-supervisedmodel-objects">we bring nice ideas</a> from the unofficial API to the official one. In particular, we liked the pythonic approach of <code>WordVectorModel</code>. This new python module is named <code>fasttext</code>, and is available on both <a href="https://pypi.org/project/fasttext/">pypi</a> and our <a href="https://github.com/facebookresearch/fastText">github</a> repository.</p>
														
 
															+<p>From now, we will refer to the tool as &quot;fastText&quot;, however the name of the python module is <code>fasttext</code>.</p>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="what-is-the-right-way-to-do-now"></a><a href="#what-is-the-right-way-to-do-now" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>What is the right way to do now?</h2>
														
 
															+<p>Before, you would either use <code>fastText</code> (uppercase <code>T</code>):</p>
														
 
															+<pre><code class="hljs css language-python"><span class="hljs-keyword">import</span> fastText
														
 
															+<span class="hljs-comment"># and call:</span>
														
 
															+fastText.train_supervised
														
 
															+fastText.train_unsupervised
														
 
															+</code></pre>
														
 
															+<p>or use <code>fasttext</code> (lowercase <code>t</code>):</p>
														
 
															+<pre><code class="hljs css language-python"><span class="hljs-keyword">import</span> fasttext
														
 
															+<span class="hljs-comment"># and call:</span>
														
 
															+fasttext.cbow
														
 
															+fasttext.skipgram
														
 
															+fasttext.supervised
														
 
															+</code></pre>
														
 
															+<p>Now, the right way to do is to
														
 
															+<code>import fasttext</code> (lowercase <code>t</code>)
														
 
															+and use</p>
														
 
															+<pre><code class="hljs css language-python"><span class="hljs-keyword">import</span> fasttext
														
 
															+<span class="hljs-comment"># and call:</span>
														
 
															+fasttext.train_supervised
														
 
															+fasttext.train_unsupervised
														
 
															+</code></pre>
														
 
															+<p>We are keeping the lowercase <code>fasttext</code> module name, while we keep the <code>fastText</code> API.</p>
														
 
															+<p>This is because:</p>
														
 
															+<ul>
														
 
															+<li>the standard way to name python modules is all lowercases</li>
														
 
															+<li>the API from <code>fastText</code> is exposing numpy arrays, which is widely used by the machine learning community.</li>
														
 
															+</ul>
														
 
															+<p>You can find a more comprehensive overview of our python API <a href="/docs/en/python-module.html">here</a>.</p>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="should-i-modify-my-existing-code"></a><a href="#should-i-modify-my-existing-code" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Should I modify my existing code?</h2>
														
 
															+<p>Depending on the version of the python module you were using, you might need to do some little modifications on your existing code.</p>
														
 
															+<h3><a class="anchor" aria-hidden="true" id="1-you-were-using-the-official-fasttext-module"></a><a href="#1-you-were-using-the-official-fasttext-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>1) You were using the official <code>fastText</code> module:</h3>
														
 
															+<p>You don't have to do much. Just replace your <code>import fastText</code> lines by <code>import fasttext</code> and everything should work as usual.</p>
														
 
															+<h3><a class="anchor" aria-hidden="true" id="2-you-were-using-the-unofficial-fasttext-module"></a><a href="#2-you-were-using-the-unofficial-fasttext-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2) You were using the unofficial <code>fasttext</code> module:</h3>
														
 
															+<p>If you were using the functions <code>cbow</code>, <code>skipgram</code>, <code>supervised</code> and/or <code>WordVectorModel</code>, <code>SupervisedModel</code> objects, you were using the unofficial <code>fasttext</code> module.</p>
														
 
															+<p>Updating your code should be pretty straightforward, but it still implies some little changes.</p>
														
 
															+<h4><a class="anchor" aria-hidden="true" id="cbow-function-use-train_unsupervised-instead"></a><a href="#cbow-function-use-train_unsupervised-instead" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>cbow</code> function: use <code>train_unsupervised</code> instead.</h4>
														
 
															+<p>For example, replace:</p>
														
 
															+<pre><code class="hljs">fasttext.cbow(<span class="hljs-string">"train.txt"</span>, <span class="hljs-string">"model_file"</span>, <span class="hljs-attribute">lr</span>=0.05, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">ws</span>=5, <span class="hljs-attribute">epoch</span>=5)
														
 
															+</code></pre>
														
 
															+<p>with</p>
														
 
															+<pre><code class="hljs">model = fasttext.train_unsupervised(<span class="hljs-string">"train.txt"</span>, <span class="hljs-attribute">model</span>=<span class="hljs-string">'cbow'</span>, <span class="hljs-attribute">lr</span>=0.05, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">ws</span>=5, <span class="hljs-attribute">epoch</span>=5)
														
 
															+model.save_model(<span class="hljs-string">"model_file.bin"</span>)
														
 
															+</code></pre>
														
 
															+<h4><a class="anchor" aria-hidden="true" id="skipgram-function-use-train_unsupervised-instead"></a><a href="#skipgram-function-use-train_unsupervised-instead" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>skipgram</code> function: use <code>train_unsupervised</code> instead.</h4>
														
 
															+<p>For example, replace:</p>
														
 
															+<pre><code class="hljs">fasttext.skipgram(<span class="hljs-string">"train.txt"</span>, <span class="hljs-string">"model_file"</span>, <span class="hljs-attribute">lr</span>=0.05, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">ws</span>=5, <span class="hljs-attribute">epoch</span>=5)
														
 
															+</code></pre>
														
 
															+<p>with</p>
														
 
															+<pre><code class="hljs">model = fasttext.train_unsupervised(<span class="hljs-string">"train.txt"</span>, <span class="hljs-attribute">model</span>=<span class="hljs-string">'skipgram'</span>, <span class="hljs-attribute">lr</span>=0.05, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">ws</span>=5, <span class="hljs-attribute">epoch</span>=5)
														
 
															+model.save_model(<span class="hljs-string">"model_file.bin"</span>)
														
 
															+</code></pre>
														
 
															+<h4><a class="anchor" aria-hidden="true" id="supervised-function-use-train_supervised-instead"></a><a href="#supervised-function-use-train_supervised-instead" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>supervised</code> function: use <code>train_supervised</code> instead</h4>
														
 
															+<p>For example, replace:</p>
														
 
															+<pre><code class="hljs">fasttext.supervised(<span class="hljs-string">"train.txt"</span>, <span class="hljs-string">"model_file"</span>, <span class="hljs-attribute">lr</span>=0.1, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">epoch</span>=5, <span class="hljs-attribute">word_ngrams</span>=2, <span class="hljs-attribute">loss</span>=<span class="hljs-string">'softmax'</span>)
														
 
															+</code></pre>
														
 
															+<p>with</p>
														
 
															+<pre><code class="hljs">model = fasttext.train_supervised(<span class="hljs-string">"train.txt"</span>, <span class="hljs-attribute">lr</span>=0.1, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">epoch</span>=5, , <span class="hljs-attribute">word_ngrams</span>=2, <span class="hljs-attribute">loss</span>=<span class="hljs-string">'softmax'</span>)
														
 
															+model.save_model(<span class="hljs-string">"model_file.bin"</span>)
														
 
															+</code></pre>
														
 
															+<h4><a class="anchor" aria-hidden="true" id="parameters"></a><a href="#parameters" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Parameters</h4>
														
 
															+<ul>
														
 
															+<li>As you can see, you can use either <code>word_ngrams</code> or <code>wordNgrams</code> as parameter name. Because the parameter names from the unofficial API are mapped to the official ones: <code>min_count</code> to <code>minCount</code>, <code>word_ngrams</code> to <code>wordNgrams</code>, <code>lr_update_rate</code> to <code>lrUpdateRate</code>, <code>label_prefix</code> to <code>label</code> and <code>pretrained_vectors</code> to <code>pretrainedVectors</code>.</li>
														
 
															+<li><code>silent</code> parameter is not supported. Use <code>verbose</code> parameter instead.</li>
														
 
															+<li><code>encoding</code> parameter is not supported, every input should be encoded in <code>utf-8</code>.</li>
														
 
															+</ul>
														
 
															+<h3><a class="anchor" aria-hidden="true" id="wordvectormodel-and-supervisedmodel-objects"></a><a href="#wordvectormodel-and-supervisedmodel-objects" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>WordVectorModel</code> and <code>SupervisedModel</code> objects</h3>
														
 
															+<p>Instead of <code>WordVectorModel</code> and <code>SupervisedModel</code> objects, we return a model object that mimics some nice ideas from the unofficial API.</p>
														
 
															+<pre><code class="hljs css language-python">model = fasttext.train_unsupervised(<span class="hljs-string">"train.txt"</span>, model=<span class="hljs-string">'skipgram'</span>)
														
 
															+print(model.words)      <span class="hljs-comment"># list of words in dictionary</span>
														
 
															+print(model[<span class="hljs-string">'king'</span>])    <span class="hljs-comment"># get the vector of the word 'king'</span>
														
 
															+print(<span class="hljs-string">'king'</span> <span class="hljs-keyword">in</span> model)  <span class="hljs-comment"># check if a word is in dictionary</span>
														
 
															+</code></pre>
														
 
															+<pre><code class="hljs css language-python">model = fasttext.train_supervised(<span class="hljs-string">"train.txt"</span>)
														
 
															+print(model.words)      <span class="hljs-comment"># list of words in dictionary</span>
														
 
															+print(model.labels)     <span class="hljs-comment"># list of labels</span>
														
 
															+</code></pre>
														
 
															+<p>The model object also contains the arguments of the training:</p>
														
 
															+<pre><code class="hljs css language-python">print(model.epoch)
														
 
															+print(model.loss)
														
 
															+print(model.wordNgrams)
														
 
															+</code></pre>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="thank-you"></a><a href="#thank-you" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Thank you!</h2>
														
 
															+<p>We want to thank our incredible community. We truly appreciate your feedback, a big thank you to everyone reporting issues and contributing to the project. In particular we want to express how grateful we are to <a href="https://github.com/pyk">Bayu Aldi Yansyah</a> who did a great job with his python library and for giving us the ownership of the pypi <code>fasttext</code> project.</p>
														
 
															+</span></div></div><div class="blogSocialSection"></div></div><div class="blog-recent"><a class="button" href="/blog">Recent Posts</a></div></div></div></div><footer class="nav-footer" id="footer"><section class="sitemap"><a href="/" class="nav-home"><img src="/img/fasttext-icon-white-web.png" alt="fastText"/></a><div><h5>Support</h5><a href="/docs/en/support.html">Getting Started</a><a href="/docs/en/supervised-tutorial.html">Tutorials</a><a href="/docs/en/faqs.html">FAQs</a><a href="/docs/en/api.html">API</a></div><div><h5>Community</h5><a href="https://www.facebook.com/groups/1174547215919768/" target="_blank">Facebook Group</a><a href="http://stackoverflow.com/questions/tagged/fasttext" target="_blank">Stack Overflow</a><a href="https://groups.google.com/forum/#!forum/fasttext-library" target="_blank">Google Group</a></div><div><h5>More</h5><a href="/blog">Blog</a><a href="https://github.com/facebookresearch/fastText" target="_blank">GitHub</a><a class="github-button" href="https://github.com/facebookresearch/fastText/" data-icon="octicon-star" data-count-href="/fastText/stargazers" data-count-api="/repos/fastText#stargazers_count" data-count-aria-label="# stargazers on GitHub" aria-label="Star this project on GitHub">Star</a></div></section><a href="https://code.facebook.com/projects/" target="_blank" class="fbOpenSource"><img src="/img/oss_logo.png" alt="Facebook Open Source" width="170" height="45"/></a><section class="copyright">Copyright © 2019 Facebook Inc.</section></footer></div></body></html>
														
--- a/blog/atom.xml
+++ b/blog/atom.xml
@@ -2,11 +2,23 @@
 
															 <feed xmlns="http://www.w3.org/2005/Atom">
														
 
															     <id>https://fasttext.cc/blog</id>
														
 
															     <title>fastText Blog</title>
														
 
															-    <updated>2017-10-02T06:00:00Z</updated>
														
 
															+    <updated>2019-06-25T06:00:00Z</updated>
														
 
															     <generator>Feed for Node.js</generator>
														
 
															     <link rel="alternate" href="https://fasttext.cc/blog"/>
														
 
															     <subtitle>The best place to stay up-to-date with the latest fastText news and events.</subtitle>
														
 
															     <logo>https://fasttext.cc/img/fasttext-icon-white-web.png</logo>
														
 
															+    <entry>
														
 
															+        <title type="html"><![CDATA[New release of python module]]></title>
														
 
															+        <id>https://fasttext.cc/blog/2019/06/25/blog-post.html</id>
														
 
															+        <link href="https://fasttext.cc/blog/2019/06/25/blog-post.html">
														
 
															+        </link>
														
 
															+        <updated>2019-06-25T06:00:00Z</updated>
														
 
															+        <summary type="html"><![CDATA[<p>Today, we are happy to release a new version of the fastText python library. The main goal of this release is to merge two existing python modules: the official <code>fastText</code> module which was available on our github repository and the unofficial <code>fasttext</code> ...</p>]]></summary>
														
 
															+        <author>
														
 
															+            <name>Onur Çelebi</name>
														
 
															+            <uri>https://research.fb.com/people/celebi-onur/</uri>
														
 
															+        </author>
														
 
															+    </entry>
														
 
															     <entry>
														
 
															         <title type="html"><![CDATA[Language identification]]></title>
														
 
															         <id>https://fasttext.cc/blog/2017/10/02/blog-post.html</id>
														
--- a/blog/feed.xml
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															         <description>The best place to stay up-to-date with the latest fastText news and events.</description>
														
 
															-        <lastBuildDate>Mon, 02 Oct 2017 06:00:00 GMT</lastBuildDate>
														
 
															+        <lastBuildDate>Tue, 25 Jun 2019 06:00:00 GMT</lastBuildDate>
														
 
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@@ -12,6 +12,13 @@
 
															             <url>https://fasttext.cc/img/fasttext-icon-white-web.png</url>
														
 
															             <link>https://fasttext.cc/blog</link>
														
 
															         </image>
														
 
															+        <item>
														
 
															+            <title><![CDATA[New release of python module]]></title>
														
 
															+            <link>https://fasttext.cc/blog/2019/06/25/blog-post.html</link>
														
 
															+            <guid>https://fasttext.cc/blog/2019/06/25/blog-post.html</guid>
														
 
															+            <pubDate>Tue, 25 Jun 2019 06:00:00 GMT</pubDate>
														
 
															+            <description><![CDATA[<p>Today, we are happy to release a new version of the fastText python library. The main goal of this release is to merge two existing python modules: the official <code>fastText</code> module which was available on our github repository and the unofficial <code>fasttext</code> ...</p>]]></description>
														
 
															+        </item>
														
 
															         <item>
														
 
															             <title><![CDATA[Language identification]]></title>
														
 
															             <link>https://fasttext.cc/blog/2017/10/02/blog-post.html</link>
														
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															-        </script></nav></div><div class="container mainContainer postContainer blogContainer"><div class="wrapper"><div class="posts"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle"><a href="/blog/2017/10/02/blog-post.html">Language identification</a></h1><p class="post-meta">October 2, 2017</p><div class="authorBlock"><p class="post-authorName"><a href="https://research.fb.com/people/grave-edouard/" target="_blank" rel="noreferrer noopener">Edouard Grave</a></p><div class="authorPhoto"><a href="https://research.fb.com/people/grave-edouard/" target="_blank" rel="noreferrer noopener"><img src="https://graph.facebook.com/534178442/picture/?height=200&amp;width=200" alt="Edouard Grave"/></a></div></div></header><article class="post-content"><div><span><h2><a class="anchor" aria-hidden="true" id="fast-and-accurate-language-identification-using-fasttext"></a><a href="#fast-and-accurate-language-identification-using-fasttext" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Fast and accurate language identification using fastText</h2>
														
 
															+        </script></nav></div><div class="container mainContainer postContainer blogContainer"><div class="wrapper"><div class="posts"><div class="post"><header class="postHeader"><h1 class="postHeaderTitle"><a href="/blog/2019/06/25/blog-post.html">New release of python module</a></h1><p class="post-meta">June 25, 2019</p><div class="authorBlock"><p class="post-authorName"><a href="https://research.fb.com/people/celebi-onur/" target="_blank" rel="noreferrer noopener">Onur Çelebi</a></p><div class="authorPhoto"><a href="https://research.fb.com/people/celebi-onur/" target="_blank" rel="noreferrer noopener"><img src="https://graph.facebook.com/663146146/picture/?height=200&amp;width=200" alt="Onur Çelebi"/></a></div></div></header><article class="post-content"><div><span><p>Today, we are happy to release a new version of the fastText python library. The main goal of this release is to merge two existing python modules: the official <code>fastText</code> module which was available on our github repository and the unofficial <code>fasttext</code> module which was available on pypi.org. We hope that this new version will address the confusion due to the previous existence of two similar, but different, python modules.</p>
														
 
															+<p>The new version of our library is now available on <a href="https://pypi.org/project/fasttext/">pypi.org</a> as well as on our github repository, and you can find <a href="/docs/en/python-module.html">an overview of its API here</a>.</p>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="fasttext-vs-fasttext-what-happened"></a><a href="#fasttext-vs-fasttext-what-happened" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>fastText vs fasttext: what happened?</h2>
														
 
															+<p>There was an ongoing confusion among our user community about the existence of both <code>fastText</code> and <code>fasttext</code> modules.</p>
														
 
															+<p>When fastText was first released in 2016, it was a command line only utility. Very soon, people wanted to use fastText's capabilities from python without having to call a binary for each action. In August 2016, <a href="https://github.com/pyk">Bayu Aldi Yansyah</a>, a developer outside of Facebook, published a python wrapper of fastText. His work was very helpful to a lot of people in our community and he published his unofficial python library on pypi with the pretty straighforward module name <code>fasttext</code> (note the lowercase <code>t</code>).</p>
														
 
															+<p>Later, our team began to work on an official python binding of fastText, that was published under the same github repository as the C++ source code. However, the module name for this official library was <code>fastText</code> (note the uppercase <code>T</code>).</p>
														
 
															+<p>Last year, Bayu Aldi Yansyah gave us admin access to the pypi project so that we could merge the two libraries.</p>
														
 
															+<p>To sum up, we ended up with two libraries that had:</p>
														
 
															+<ul>
														
 
															+<li>almost the same name</li>
														
 
															+<li>different APIs</li>
														
 
															+<li>different versions</li>
														
 
															+<li>different ways to install</li>
														
 
															+</ul>
														
 
															+<p>That was a very confusing situation for the community.</p>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="what-actions-did-we-take"></a><a href="#what-actions-did-we-take" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>What actions did we take?</h2>
														
 
															+<p>Today we are merging the two python libraries. We decided to keep the official API and top level functions such as <code>train_unsupervised</code> and <code>train_supervised</code> as well as returning numpy objects. We remove <code>cbow</code>, <code>skipgram</code> and <code>supervised</code> functions from the unofficial API. However, <a href="#wordvectormodel-and-supervisedmodel-objects">we bring nice ideas</a> from the unofficial API to the official one. In particular, we liked the pythonic approach of <code>WordVectorModel</code>. This new python module is named <code>fasttext</code>, and is available on both <a href="https://pypi.org/project/fasttext/">pypi</a> and our <a href="https://github.com/facebookresearch/fastText">github</a> repository.</p>
														
 
															+<p>From now, we will refer to the tool as &quot;fastText&quot;, however the name of the python module is <code>fasttext</code>.</p>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="what-is-the-right-way-to-do-now"></a><a href="#what-is-the-right-way-to-do-now" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>What is the right way to do now?</h2>
														
 
															+<p>Before, you would either use <code>fastText</code> (uppercase <code>T</code>):</p>
														
 
															+<pre><code class="hljs css language-python"><span class="hljs-keyword">import</span> fastText
														
 
															+<span class="hljs-comment"># and call:</span>
														
 
															+fastText.train_supervised
														
 
															+fastText.train_unsupervised
														
 
															+</code></pre>
														
 
															+<p>or use <code>fasttext</code> (lowercase <code>t</code>):</p>
														
 
															+<pre><code class="hljs css language-python"><span class="hljs-keyword">import</span> fasttext
														
 
															+<span class="hljs-comment"># and call:</span>
														
 
															+fasttext.cbow
														
 
															+fasttext.skipgram
														
 
															+fasttext.supervised
														
 
															+</code></pre>
														
 
															+<p>Now, the right way to do is to
														
 
															+<code>import fasttext</code> (lowercase <code>t</code>)
														
 
															+and use</p>
														
 
															+<pre><code class="hljs css language-python"><span class="hljs-keyword">import</span> fasttext
														
 
															+<span class="hljs-comment"># and call:</span>
														
 
															+fasttext.train_supervised
														
 
															+fasttext.train_unsupervised
														
 
															+</code></pre>
														
 
															+<p>We are keeping the lowercase <code>fasttext</code> module name, while we keep the <code>fastText</code> API.</p>
														
 
															+<p>This is because:</p>
														
 
															+<ul>
														
 
															+<li>the standard way to name python modules is all lowercases</li>
														
 
															+<li>the API from <code>fastText</code> is exposing numpy arrays, which is widely used by the machine learning community.</li>
														
 
															+</ul>
														
 
															+<p>You can find a more comprehensive overview of our python API <a href="/docs/en/python-module.html">here</a>.</p>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="should-i-modify-my-existing-code"></a><a href="#should-i-modify-my-existing-code" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Should I modify my existing code?</h2>
														
 
															+<p>Depending on the version of the python module you were using, you might need to do some little modifications on your existing code.</p>
														
 
															+<h3><a class="anchor" aria-hidden="true" id="1-you-were-using-the-official-fasttext-module"></a><a href="#1-you-were-using-the-official-fasttext-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>1) You were using the official <code>fastText</code> module:</h3>
														
 
															+<p>You don't have to do much. Just replace your <code>import fastText</code> lines by <code>import fasttext</code> and everything should work as usual.</p>
														
 
															+<h3><a class="anchor" aria-hidden="true" id="2-you-were-using-the-unofficial-fasttext-module"></a><a href="#2-you-were-using-the-unofficial-fasttext-module" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>2) You were using the unofficial <code>fasttext</code> module:</h3>
														
 
															+<p>If you were using the functions <code>cbow</code>, <code>skipgram</code>, <code>supervised</code> and/or <code>WordVectorModel</code>, <code>SupervisedModel</code> objects, you were using the unofficial <code>fasttext</code> module.</p>
														
 
															+<p>Updating your code should be pretty straightforward, but it still implies some little changes.</p>
														
 
															+<h4><a class="anchor" aria-hidden="true" id="cbow-function-use-train_unsupervised-instead"></a><a href="#cbow-function-use-train_unsupervised-instead" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>cbow</code> function: use <code>train_unsupervised</code> instead.</h4>
														
 
															+<p>For example, replace:</p>
														
 
															+<pre><code class="hljs">fasttext.cbow(<span class="hljs-string">"train.txt"</span>, <span class="hljs-string">"model_file"</span>, <span class="hljs-attribute">lr</span>=0.05, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">ws</span>=5, <span class="hljs-attribute">epoch</span>=5)
														
 
															+</code></pre>
														
 
															+<p>with</p>
														
 
															+<pre><code class="hljs">model = fasttext.train_unsupervised(<span class="hljs-string">"train.txt"</span>, <span class="hljs-attribute">model</span>=<span class="hljs-string">'cbow'</span>, <span class="hljs-attribute">lr</span>=0.05, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">ws</span>=5, <span class="hljs-attribute">epoch</span>=5)
														
 
															+model.save_model(<span class="hljs-string">"model_file.bin"</span>)
														
 
															+</code></pre>
														
 
															+<h4><a class="anchor" aria-hidden="true" id="skipgram-function-use-train_unsupervised-instead"></a><a href="#skipgram-function-use-train_unsupervised-instead" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>skipgram</code> function: use <code>train_unsupervised</code> instead.</h4>
														
 
															+<p>For example, replace:</p>
														
 
															+<pre><code class="hljs">fasttext.skipgram(<span class="hljs-string">"train.txt"</span>, <span class="hljs-string">"model_file"</span>, <span class="hljs-attribute">lr</span>=0.05, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">ws</span>=5, <span class="hljs-attribute">epoch</span>=5)
														
 
															+</code></pre>
														
 
															+<p>with</p>
														
 
															+<pre><code class="hljs">model = fasttext.train_unsupervised(<span class="hljs-string">"train.txt"</span>, <span class="hljs-attribute">model</span>=<span class="hljs-string">'skipgram'</span>, <span class="hljs-attribute">lr</span>=0.05, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">ws</span>=5, <span class="hljs-attribute">epoch</span>=5)
														
 
															+model.save_model(<span class="hljs-string">"model_file.bin"</span>)
														
 
															+</code></pre>
														
 
															+<h4><a class="anchor" aria-hidden="true" id="supervised-function-use-train_supervised-instead"></a><a href="#supervised-function-use-train_supervised-instead" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>supervised</code> function: use <code>train_supervised</code> instead</h4>
														
 
															+<p>For example, replace:</p>
														
 
															+<pre><code class="hljs">fasttext.supervised(<span class="hljs-string">"train.txt"</span>, <span class="hljs-string">"model_file"</span>, <span class="hljs-attribute">lr</span>=0.1, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">epoch</span>=5, <span class="hljs-attribute">word_ngrams</span>=2, <span class="hljs-attribute">loss</span>=<span class="hljs-string">'softmax'</span>)
														
 
															+</code></pre>
														
 
															+<p>with</p>
														
 
															+<pre><code class="hljs">model = fasttext.train_supervised(<span class="hljs-string">"train.txt"</span>, <span class="hljs-attribute">lr</span>=0.1, <span class="hljs-attribute">dim</span>=100, <span class="hljs-attribute">epoch</span>=5, , <span class="hljs-attribute">word_ngrams</span>=2, <span class="hljs-attribute">loss</span>=<span class="hljs-string">'softmax'</span>)
														
 
															+model.save_model(<span class="hljs-string">"model_file.bin"</span>)
														
 
															+</code></pre>
														
 
															+<h4><a class="anchor" aria-hidden="true" id="parameters"></a><a href="#parameters" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Parameters</h4>
														
 
															+<ul>
														
 
															+<li>As you can see, you can use either <code>word_ngrams</code> or <code>wordNgrams</code> as parameter name. Because the parameter names from the unofficial API are mapped to the official ones: <code>min_count</code> to <code>minCount</code>, <code>word_ngrams</code> to <code>wordNgrams</code>, <code>lr_update_rate</code> to <code>lrUpdateRate</code>, <code>label_prefix</code> to <code>label</code> and <code>pretrained_vectors</code> to <code>pretrainedVectors</code>.</li>
														
 
															+<li><code>silent</code> parameter is not supported. Use <code>verbose</code> parameter instead.</li>
														
 
															+<li><code>encoding</code> parameter is not supported, every input should be encoded in <code>utf-8</code>.</li>
														
 
															+</ul>
														
 
															+<h3><a class="anchor" aria-hidden="true" id="wordvectormodel-and-supervisedmodel-objects"></a><a href="#wordvectormodel-and-supervisedmodel-objects" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>WordVectorModel</code> and <code>SupervisedModel</code> objects</h3>
														
 
															+<p>Instead of <code>WordVectorModel</code> and <code>SupervisedModel</code> objects, we return a model object that mimics some nice ideas from the unofficial API.</p>
														
 
															+<pre><code class="hljs css language-python">model = fasttext.train_unsupervised(<span class="hljs-string">"train.txt"</span>, model=<span class="hljs-string">'skipgram'</span>)
														
 
															+print(model.words)      <span class="hljs-comment"># list of words in dictionary</span>
														
 
															+print(model[<span class="hljs-string">'king'</span>])    <span class="hljs-comment"># get the vector of the word 'king'</span>
														
 
															+print(<span class="hljs-string">'king'</span> <span class="hljs-keyword">in</span> model)  <span class="hljs-comment"># check if a word is in dictionary</span>
														
 
															+</code></pre>
														
 
															+<pre><code class="hljs css language-python">model = fasttext.train_supervised(<span class="hljs-string">"train.txt"</span>)
														
 
															+print(model.words)      <span class="hljs-comment"># list of words in dictionary</span>
														
 
															+print(model.labels)     <span class="hljs-comment"># list of labels</span>
														
 
															+</code></pre>
														
 
															+<p>The model object also contains the arguments of the training:</p>
														
 
															+<pre><code class="hljs css language-python">print(model.epoch)
														
 
															+print(model.loss)
														
 
															+print(model.wordNgrams)
														
 
															+</code></pre>
														
 
															+<h2><a class="anchor" aria-hidden="true" id="thank-you"></a><a href="#thank-you" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Thank you!</h2>
														
 
															+<p>We want to thank our incredible community. We truly appreciate your feedback, a big thank you to everyone reporting issues and contributing to the project. In particular we want to express how grateful we are to <a href="https://github.com/pyk">Bayu Aldi Yansyah</a> who did a great job with his python library and for giving us the ownership of the pypi <code>fasttext</code> project.</p>
														
 
															+</span></div></article></div><div class="post"><header class="postHeader"><h1 class="postHeaderTitle"><a href="/blog/2017/10/02/blog-post.html">Language identification</a></h1><p class="post-meta">October 2, 2017</p><div class="authorBlock"><p class="post-authorName"><a href="https://research.fb.com/people/grave-edouard/" target="_blank" rel="noreferrer noopener">Edouard Grave</a></p><div class="authorPhoto"><a href="https://research.fb.com/people/grave-edouard/" target="_blank" rel="noreferrer noopener"><img src="https://graph.facebook.com/534178442/picture/?height=200&amp;width=200" alt="Edouard Grave"/></a></div></div></header><article class="post-content"><div><span><h2><a class="anchor" aria-hidden="true" id="fast-and-accurate-language-identification-using-fasttext"></a><a href="#fast-and-accurate-language-identification-using-fasttext" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Fast and accurate language identification using fastText</h2>
														
 
															 <p>We are excited to announce that we are publishing a fast and accurate tool for text-based language identification. It can recognize more than 170 languages, takes less than 1MB of memory and can classify thousands of documents per second. It is based on fastText library and is released <a href="https://fasttext.cc/docs/en/language-identification.html">here</a> as open source, free to use by everyone. We are releasing several versions of the model, each optimized for different memory usage, and compared them to the popular tool <a href="https://github.com/saffsd/langid.py">langid.py</a>.</p>
														
 
															 </span></div><div class="read-more"><a class="button" href="/blog/2017/10/02/blog-post.html">Read More</a></div></article></div><div class="post"><header class="postHeader"><h1 class="postHeaderTitle"><a href="/blog/2017/05/02/blog-post.html">fastText on mobile</a></h1><p class="post-meta">May 2, 2017</p><div class="authorBlock"><p class="post-authorName"><a href="https://research.fb.com/people/joulin-armand/" target="_blank" rel="noreferrer noopener">Armand Joulin</a></p><div class="authorPhoto"><a href="https://research.fb.com/people/joulin-armand/" target="_blank" rel="noreferrer noopener"><img src="https://graph.facebook.com/696297201/picture/?height=200&amp;width=200" alt="Armand Joulin"/></a></div></div></header><article class="post-content"><div><span><p>Today, the Facebook AI Research (FAIR) team released pre-trained vectors in 294 languages, accompanied by two quick-start tutorials, to increase fastText’s accessibility to the large community of students, software developers, and researchers interested in machine learning. fastText’s models now fit on smartphones and small computers like Raspberry Pi devices thanks to a new functionality that reduces memory usage.</p>
														
 
															 <p>First open-sourced last summer, <a href="https://github.com/facebookresearch/fastText">fastText</a> was designed to be accessible to anyone with generic hardware like notebooks and X86 cloud instances, or almost any platform with enough memory. Smartphone and small computer support extend fastText’s accessibility to an even larger community and a greater range of applications.</p>
														
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															-            </script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/fasttext-icon-white-web.png" alt="fastText"/></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/en/support.html" target="_self">Docs</a></li><li class=""><a href="/docs/en/english-vectors.html" target="_self">Resources</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class=""><a href="https://github.com/facebookresearch/fastText/" target="_blank">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div><div class="homeContainer"><div class="homeSplashFade"><div class="wrapper homeWrapper"><div class="inner"><img src="/img/fasttext-logo-color-web.png" width="50%"/><h2 class="projectTitle"><small>Library for efficient text classification and representation learning</small></h2><div class="section promoSection"><div class="promoRow"><div class="pluginRowBlock"><div class="pluginWrapper buttonWrapper"><a class="button" href="/docs/en/support.html" target="_self">Get Started</a></div><div class="pluginWrapper buttonWrapper"><a class="button" href="/docs/en/english-vectors.html" target="_self">Download Models</a></div></div></div></div></div></div></div></div><div class="mainContainer"><div class="descriptionSection paddingTop lightBackground" style="text-align:left" id="fast-download"><div class="container"><div class="wrapper"><div class="gridBlock"><div class="blockElement alignCenter twoByGridBlock"><div class="blockContent"><h2><div><span><p>What is fastText?</p>
														
 
															+            </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/fasttext-icon-white-web.png" alt="fastText"/></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/en/support.html" target="_self">Docs</a></li><li class=""><a href="/docs/en/english-vectors.html" target="_self">Resources</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class=""><a href="https://github.com/facebookresearch/fastText/" target="_blank">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div><div class="homeContainer"><div class="homeSplashFade"><div class="wrapper homeWrapper"><div class="inner"><img src="/img/fasttext-logo-color-web.png" width="50%"/><h2 class="projectTitle"><small>Library for efficient text classification and representation learning</small></h2><div class="section promoSection"><div class="promoRow"><div class="pluginRowBlock"><div class="pluginWrapper buttonWrapper"><a class="button" href="/docs/en/support.html" target="_self">Get Started</a></div><div class="pluginWrapper buttonWrapper"><a class="button" href="/docs/en/english-vectors.html" target="_self">Download Models</a></div></div></div></div></div></div></div></div><div class="mainContainer"><div class="descriptionSection paddingTop lightBackground" style="text-align:left" id="fast-download"><div class="container"><div class="wrapper"><div class="gridBlock"><div class="blockElement alignCenter twoByGridBlock"><div class="blockContent"><h2><div><span><p>What is fastText?</p>
														
 
															 </span></div></h2><div><span><p>FastText is an open-source, free, lightweight library that allows users to learn text representations and text classifiers. It works on standard, generic hardware. Models can later be reduced in size to even fit on mobile devices.</p>
														
 
															 </span></div></div></div></div></div></div></div><div class="productShowcaseSection paddingTop" style="text-align:center" id="fast-download"><h2><a href="/docs/en/english-vectors.html">Download pre-trained models</a></h2><div class="container"><div class="wrapper"><div class="gridBlock"><div class="blockElement alignCenter imageAlignTop twoByGridBlock"><div class="blockImage"><a href="/docs/en/english-vectors.html"><img src="/img/model-blue.png"/></a></div><div class="blockContent"><h2><div><span><p><a href="/docs/en/english-vectors.html">English word vectors</a></p>
														
 
															 </span></div></h2><div><span><p>Pre-trained on English webcrawl and Wikipedia</p>
														
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															+            </script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/"><img class="logo" src="/img/fasttext-icon-white-web.png" alt="fastText"/></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/en/support.html" target="_self">Docs</a></li><li class=""><a href="/docs/en/english-vectors.html" target="_self">Resources</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class=""><a href="https://github.com/facebookresearch/fastText/" target="_blank">GitHub</a></li></ul></nav></div></header></div></div><div class="navPusher"><div><div class="homeContainer"><div class="homeSplashFade"><div class="wrapper homeWrapper"><div class="inner"><img src="/img/fasttext-logo-color-web.png" width="50%"/><h2 class="projectTitle"><small>Library for efficient text classification and representation learning</small></h2><div class="section promoSection"><div class="promoRow"><div class="pluginRowBlock"><div class="pluginWrapper buttonWrapper"><a class="button" href="/docs/en/support.html" target="_self">Get Started</a></div><div class="pluginWrapper buttonWrapper"><a class="button" href="/docs/en/english-vectors.html" target="_self">Download Models</a></div></div></div></div></div></div></div></div><div class="mainContainer"><div class="descriptionSection paddingTop lightBackground" style="text-align:left" id="fast-download"><div class="container"><div class="wrapper"><div class="gridBlock"><div class="blockElement alignCenter twoByGridBlock"><div class="blockContent"><h2><div><span><p>What is fastText?</p>
														
 
															 </span></div></h2><div><span><p>FastText is an open-source, free, lightweight library that allows users to learn text representations and text classifiers. It works on standard, generic hardware. Models can later be reduced in size to even fit on mobile devices.</p>
														
 
															 </span></div></div></div></div></div></div></div><div class="productShowcaseSection paddingTop" style="text-align:center" id="fast-download"><h2><a href="/docs/en/english-vectors.html">Download pre-trained models</a></h2><div class="container"><div class="wrapper"><div class="gridBlock"><div class="blockElement alignCenter imageAlignTop twoByGridBlock"><div class="blockImage"><a href="/docs/en/english-vectors.html"><img src="/img/model-blue.png"/></a></div><div class="blockContent"><h2><div><span><p><a href="/docs/en/english-vectors.html">English word vectors</a></p>
														
 
															 </span></div></h2><div><span><p>Pre-trained on English webcrawl and Wikipedia</p>
														
--- a/js/scrollSpy.js
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															+/**
														
 
															+ * Copyright (c) 2017-present, Facebook, Inc.
														
 
															+ *
														
 
															+ * This source code is licensed under the MIT license found in the
														
 
															+ * LICENSE file in the root directory of this source tree.
														
 
															+ */
														
 
															+
														
 
															+/* eslint-disable prefer-arrow-callback */
														
 
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															+  let headingsCache;
														
 
															+  const findHeadings = function findHeadings() {
														
 
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															+      /**
														
 
															+       * On every call, try to find header right after  <-- next header
														
 
															+       * the one whose content is on the current screen <-- highlight this
														
 
															+       */
														
 
															+      for (let i = 0; i < headings.length; i++) {
														
 
															+        // headings[i] is current element
														
 
															+        // if an element is already active, then current element is not active
														
 
															+        // if no element is already active, then current element is active
														
 
															+        let currNavActive = !activeNavFound;
														
 
															+        /**
														
 
															+         * Enter the following check up only when an active nav header is not yet found
														
 
															+         * Then, check the bounding rectangle of the next header
														
 
															+         * The headers that are scrolled passed will have negative bounding rect top
														
 
															+         * So the first one with positive bounding rect top will be the nearest next header
														
 
															+         */
														
 
															+        if (currNavActive && i < headings.length - 1) {
														
 
															+          const heading = headings[i + 1];
														
 
															+          const next = decodeURIComponent(heading.href.split('#')[1]);
														
 
															+          const nextHeader = document.getElementById(next);
														
 
															+
														
 
															+          if (nextHeader) {
														
 
															+            const top = nextHeader.getBoundingClientRect().top;
														
 
															+            currNavActive = top > OFFSET;
														
 
															+          } else {
														
 
															+            console.error('Can not find header element', {
														
 
															+              id: next,
														
 
															+              heading,
														
 
															+            });
														
 
															+          }
														
 
															+        }
														
 
															+        /**
														
 
															+         * Stop searching once a first such header is found,
														
 
															+         * this makes sure the highlighted header is the most current one
														
 
															+         */
														
 
															+        if (currNavActive) {
														
 
															+          activeNavFound = true;
														
 
															+          headings[i].classList.add('active');
														
 
															+        } else {
														
 
															+          headings[i].classList.remove('active');
														
 
															+        }
														
 
															+      }
														
 
															+    }, 100);
														
 
															+  };
														
 
															+
														
 
															+  document.addEventListener('scroll', onScroll);
														
 
															+  document.addEventListener('resize', onScroll);
														
 
															+  document.addEventListener('DOMContentLoaded', function() {
														
 
															+    // Cache the headings once the page has fully loaded.
														
 
															+    headingsCache = findHeadings();
														
 
															+    onScroll();
														
 
															+  });
														
 
															+})();
														
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -1,6 +1,7 @@
 
															 <?xml version="1.0" encoding="UTF-8"?>
														
 
															 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:mobile="http://www.google.com/schemas/sitemap-mobile/1.0" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1">
														
 
															 <url> <loc>https://fasttext.cc/index.html</loc> <changefreq>weekly</changefreq> <priority>0.5</priority> <xhtml:link rel="alternate" hreflang="en" href="https://fasttext.cc/en/index.html" /> </url>
														
 
															+<url> <loc>https://fasttext.cc/blog/2019/06/25/blog-post.html</loc> <changefreq>weekly</changefreq> <priority>0.3</priority> </url>
														
 
															 <url> <loc>https://fasttext.cc/blog/2017/10/02/blog-post.html</loc> <changefreq>weekly</changefreq> <priority>0.3</priority> </url>
														
 
															 <url> <loc>https://fasttext.cc/blog/2017/05/02/blog-post.html</loc> <changefreq>weekly</changefreq> <priority>0.3</priority> </url>
														
 
															 <url> <loc>https://fasttext.cc/blog/2016/08/18/blog-post.html</loc> <changefreq>weekly</changefreq> <priority>0.3</priority> </url>
														
@@ -14,6 +15,7 @@
 
															 <url> <loc>https://fasttext.cc/docs/en/language-identification.html</loc> <changefreq>hourly</changefreq> <priority>1.0</priority> <xhtml:link rel="alternate" hreflang="en" href="https://fasttext.cc/docs/en/language-identification.html" /> </url>
														
 
															 <url> <loc>https://fasttext.cc/docs/en/options.html</loc> <changefreq>hourly</changefreq> <priority>1.0</priority> <xhtml:link rel="alternate" hreflang="en" href="https://fasttext.cc/docs/en/options.html" /> </url>
														
 
															 <url> <loc>https://fasttext.cc/docs/en/pretrained-vectors.html</loc> <changefreq>hourly</changefreq> <priority>1.0</priority> <xhtml:link rel="alternate" hreflang="en" href="https://fasttext.cc/docs/en/pretrained-vectors.html" /> </url>
														
 
															+<url> <loc>https://fasttext.cc/docs/en/python-module.html</loc> <changefreq>hourly</changefreq> <priority>1.0</priority> <xhtml:link rel="alternate" hreflang="en" href="https://fasttext.cc/docs/en/python-module.html" /> </url>
														
 
															 <url> <loc>https://fasttext.cc/docs/en/references.html</loc> <changefreq>hourly</changefreq> <priority>1.0</priority> <xhtml:link rel="alternate" hreflang="en" href="https://fasttext.cc/docs/en/references.html" /> </url>
														
 
															 <url> <loc>https://fasttext.cc/docs/en/supervised-models.html</loc> <changefreq>hourly</changefreq> <priority>1.0</priority> <xhtml:link rel="alternate" hreflang="en" href="https://fasttext.cc/docs/en/supervised-models.html" /> </url>
														
 
															 <url> <loc>https://fasttext.cc/docs/en/supervised-tutorial.html</loc> <changefreq>hourly</changefreq> <priority>1.0</priority> <xhtml:link rel="alternate" hreflang="en" href="https://fasttext.cc/docs/en/supervised-tutorial.html" /> </url>