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69        <a href='/' title='A Tidy Approach'>Text Mining with R</a>:
70        <small class="text-muted">A Tidy Approach</small>
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82<li><a class='active' href='/'>Welcome to Text Mining with R</a></li>
83<li><a class href='/preface'>Preface</a></li>
84<li><a class href='/tidytext'><span class="header-section-number">1</span> The tidy text format</a></li>
85<li><a class href='/sentiment'><span class="header-section-number">2</span> Sentiment analysis with tidy data</a></li>
86<li><a class href='/tfidf'><span class="header-section-number">3</span> Analyzing word and document frequency: tf-idf</a></li>
87<li><a class href='/ngrams'><span class="header-section-number">4</span> Relationships between words: n-grams and correlations</a></li>
88<li><a class href='/dtm'><span class="header-section-number">5</span> Converting to and from non-tidy formats</a></li>
89<li><a class href='/topicmodeling'><span class="header-section-number">6</span> Topic modeling</a></li>
90<li><a class href='/twitter'><span class="header-section-number">7</span> Case study: comparing Twitter archives</a></li>
91<li><a class href='/nasa'><span class="header-section-number">8</span> Case study: mining NASA metadata</a></li>
92<li><a class href='/usenet'><span class="header-section-number">9</span> Case study: analyzing usenet text</a></li>
93<li><a class href='/references'><span class="header-section-number">10</span> References</a></li>
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102<h1>Welcome to Text Mining with R<a class="anchor" aria-label="anchor" href="#welcome-to-text-mining-with-r"><i class="fas fa-link"></i></a>
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105<p>This is the <a href="http://tidytextmining.com/">website</a> for <em>Text Mining with R</em>! Visit the <a href="https://github.com/juliasilge/tidy-text-mining">GitHub repository for this site</a>, find the book at <a href="http://www.jdoqocy.com/click-4428796-11290546?url=http%3A%2F%2Fshop.oreilly.com%2Fproduct%2F0636920067153.do%3Fcmp%3Daf-strata-books-video-product_cj_0636920067153_%25zp&amp;cjsku=0636920067153">O’Reilly</a>, or <a href="http://amzn.to/2tZkmxG">buy it on Amazon</a>.</p>
106<p>This work by <a href="http://juliasilge.com/">Julia Silge</a> and <a href="http://varianceexplained.org/">David Robinson</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-nc-sa/3.0/us/">

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