lex.div. It does not analyze text,
but takes the numbers of tokens and types directly to calculate measures for which this information is sufficient:
"TTR"{The classicType-Token Ratio"C""R""CTTR""U""S""Maas"lex.div.num(num.tokens, num.types, measure = c("TTR", "C", "R", "CTTR", "U",
"S", "Maas"), log.base = 10, quiet = FALSE)log for details.FALSE, short status messages will be shown.
TRUE will also suppress all potential warnings regarding the validation status of measures.kRp.TTR-class.lex.divTweedie. F.J. & Baayen, R.H. (1998). How Variable May a Constant Be? Measures of Lexical Richness in Perspective. Computers and the Humanities, 32(5), 323--352.
lex.div