reshape2: colsplit – R documentation

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colsplit

Split a vector into multiple columns

Description

Useful for splitting variable names that a combination of multiple variables. Uses type.convert to convert each column to correct type, but will not convert character to factor.

Usage

colsplit(string, pattern, names)

Arguments

`string`	character vector or factor to split up
`pattern`	regular expression to split on
`names`	names for output columns

Examples

x <- c("a_1", "a_2", "b_2", "c_3")
vars <- colsplit(x, "_", c("trt", "time"))
vars
str(vars)

reshape2

Flexibly Reshape Data: A Reboot of the Reshape Package

v1.4.4

MIT + file LICENSE

Authors

Hadley Wickham <h.wickham@gmail.com>

Initial release