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Word Stemming and Text Processing in R

Genrikh Ananiev takes us through some examples of text processing in R:

First, there are a lot of classes (in fact, how many products you have so many classes) And if in this process you have to work not only with the company’s products, but also competitors, the growth of such new classes can occur every day – therefore it becomes meaningless to teach one time Model to be repeatedly used to predict new products.

Secondly, the number of documents (different variations of the same product) in the classes are not very balanced: there may be one by one to class, and maybe more.

Click through for an example of the classical technique versus a classification-based technique.

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