CHAPTER 19
Text Mining
Our final topic is text mining or text data mining. It is really only something that can be done with access to comparatively decent computing power (at least historically speaking). The concept is simple enough. Read text data into R that can then be quantitatively analyzed. The benefits are easier to imagine than the mechanics. Put simply, imagine if one could determine the most common words in a chapter, or a textbook. What if the common words in one text could be compared to the common words in other texts? What might those comparisons teach us? Perhaps different authors have a set of go-to words they more frequently ...
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