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.
method
Distance methods (see
dist function). If "prop"
(the default) the result is 1 - "binary".
diag
logical. If TRUE returns the
diagonals of the matrix. If method = "prop"
diagonals will not be returned.
upper
logical. If TRUE returns the upper
triangle of the matrix.
p
The power of the Minkowski distance
Value
Returns a matrix of dissimilarity values (the agreement
between text).