I know that the ‘screwing around’ got you thinking, what the hell is he/she talking about right? Well contrary to your little dirty minds, ‘screwing around’ used in this context means to be browsing; you know when you not too sure of what you are really searching for, as Stephen Ramsey 2014 nicely explain.
What is text analysis? Text analysis tools break a text down into smaller units like words, sentences and passages and then gather these units into new views on the text that aide interpretation. Geoffrey Rockwell
gives a brief history of electronic texts and text analysis according to Rockwell a good way to understand text analysis is to look at the tradition of concordancing from which it evolved. A concordance is a standard study tool where one can look up a word and find references to all the passages in the target work where that word occurs. They are alphabetically-sorted lists of the vocabulary of a text (its different words or phrases). Occurrences of each word (the keyword) appear under a headword, each one surrounded by enough context to make out the meaning, and each one identified by a citation to the text that gives its location in the original.
Datasets of journal articles inserted into Many Eyes for text analysis created the following:
Datasets of journal articles inserted into Voyant produced the following: