Stata/Natural Language Processing

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Reading a text file[edit | edit source]

If lines are short (less than the 244 string characters), one can use insheet. This command will read the text file into Stata's memory.

. insheet using toto.txt, clear

String functions[edit | edit source]

First have a look at the list of string functions already included in Stata.

. h string functions

Regular Expressions[edit | edit source]

Stata includes commands for regular expressions regexm(), regexr() and regexs().

Wordscores[edit | edit source]

Ken Benoit, Michael Laver and Will Lowe have developed wordscores, a set of Stata command which read textfiles, count the frequency of each word and compute some index of similarity between texts.