Compute the n-grams (contiguous sub-sequences of length n)
of a given sequence.
a sequence (vector).
a positive integer giving the length of contiguous
sub-sequences to be computed
a list with the computed sub-sequences.
s <-"The quick brown fox jumps over the lazy dog"## Split into words:
w <-strsplit(s," ", fixed =TRUE)[[1L]]## Word tri-grams:ngrams(w,3L)## Word tri-grams pasted together:vapply(ngrams(w,3L),paste,"", collapse =" ")