For a similarity or distance object computed via textstat_simil or
textstat_dist, returns the first or last n rows.
# S3 method for textstat_proxy
head(x, n = 6L, ...)# S3 method for textstat_proxy
tail(x, n = 6L, ...)
a textstat_simil/textstat_dist object
a single, positive integer. If positive, size for the resulting object: number of first/last documents for the dfm. If negative, all but the n last/first number of documents of x.
unused
A matrix corresponding to the subset defined
by n.