This program analyzes English texts and produces a graded word-level profile of the vocabulary contained. The current version (updated May 1, 2009) also calculates readability indices using the ARI and Coleman-Liau formulas. The input text may be up to 100,000 running words in length, although the recommended number of words at any given trial is about 10,000 or less. All the inflected words will be automatically lemmatized before processing except for some designated words including modal verbs. Numbers and figures will be ignored unless they are part of a meaningful lexical item.
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