The grouping variables. Default
NULL generates one word list for all text. Also
takes a single grouping variable or a list of 1 or more
grouping variables.
n
The max number of grams calculate
...
Further arguments passed to strip function.
Value
Returns a list of:
rawA list of pasted single
vectors of the ngrams per row.
groupA list of
pasted vectors of ngrams grouped by grouping.var.
unlist1A list of a single vector of pasted ngrams
per grouping.var in the order used.
unlist2A list
of a single vector of pasted ngrams per grouping.var in
alphabetical order.
group_nA list of a list of
vectors of ngrams per grouping.var & n (not pasted).
allA single vector of pasted ngrams sorted
alphabetically.
all_nA list of lists a single
vectors of ngrams sorted alphabetically (not pasted).