wordfreq generates a word frequency matrix from text files
wordfreq filename1.txt [filename2.txt filename3.txt ...]
wordfreq takes a set of text files as input and produces in memory a set of frequencies for all words that occur in at least one of the input texts. The resulting dataset consists of a text variable word containing a list of the words themselves, followed by a set of frequency variables, one for each text, with the names tfilename1, tfilename2, tfilename3, etc. Each frequency variable will range from 0 to a maximum of the total words associated with its text file.
Currently all input filenames must be in plain text and end in '.txt'
Examine the source.
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