qdapTools (version 1.3.1)

split_vector: Split a Vector By Split Points

Description

Splits a vector into a list of vectors based on split points.

Usage

split_vector(x, split = "", include = FALSE, regex = FALSE, ...)

Arguments

x

A vector with split points.

split

A vector of places (elements) to split on or a regular expression if regex argument is TRUE.

include

An integer of 1 (split character(s) are not included in the output), 2 (split character(s) are included at the beginning of the output), or 3 (split character(s) are included at the end of the output).

regex

logical. If TRUE regular expressions will be enabled for split argument.

…

other arguments passed to grep and grepl.

Value

Returns a list of vectors.

References

http://stackoverflow.com/a/24319217/1000343

See Also

loc_split, run_split

Examples

set.seed(15)
x <- sample(c("", LETTERS[1:10]), 25, TRUE, prob=c(.2, rep(.08, 10)))

split_vector(x)
split_vector(x, "C")
split_vector(x, c("", "C"))

split_vector(x, include = 0)
split_vector(x, include = 1)
split_vector(x, include = 2)

set.seed(15)
x <- sample(1:11, 25, TRUE, prob=c(.2, rep(.08, 10)))
split_vector(x, 1)

## relationship to `loc_split`
all.equal(
    split_vector(x, include = 1),
    loc_split(x, which(x == ""), names=1:6)
)