gap_ngrams {biogram}

Gap n-grams

Description

Introduces gaps in the n-grams.

Usage

gap_ngrams(ngrams)

Arguments

ngrams

a vector of positioned n-grams (as created by count_ngrams).

Details

A single element of the input n-gram at a time will be replaced by a gap. For example, introducing gaps in n-gram 2_1.1.2_0.1 will results in three n-grams: 3_1.2_1 (where the 2_1_0 unigram was replaced by a gap), 2_1.2_2 and 2_1.1_0.

Value

A character vector of (n-1)-grams with introduced gaps.

See Also

Reverse function: add_1grams.

Examples

gap_ngrams(c("2_1.1.2_0.1", "3_1.1.2_0.0", "3_2.2.2_0.0"))
gap_ngrams(c("1.1.2_0.1", "1.1.2_0.0", "2.2.2_0.0"))