Return the Last Parts of a <code>tidy_dist_mat</code> (symmetric grab)

Return the Last Parts of a tidy_dist_mat (symmetric grab)

# S3 method for tidy_dist_mat
head(x, n = 6L, ...)

Arguments

x	symmetric (in shape) `tidy_dist_mat` object
n	an integer of value bounded by the maximum rows `x`.
...	arguments to be passed to or from other methods (currently none expected / used).

x[1:n] or x[(nrow(x)-n):nrow(x)]