View source: R/indices_and_positions.R
get_ngrams_ind | R Documentation |
Computes list of n-gram elements positions in sequence.
get_ngrams_ind(len_seq, n, d)
len_seq |
|
n |
|
d |
|
A format of d
vector is discussed in Details of
count_ngrams
.
A list with number of elements equal to n
. Every element is a
vector containing locations of given n-gram letter. For example, first element of
list contain indices of first letter of all n-grams. The attribute d
of output contains distances between letter used to compute locations
(see Details).
# positions trigrams in sequence of length 10
get_ngrams_ind(10, 9, 0)
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