reshape2 (version 1.0)

colsplit: Split a vector into multiple columns...

Description

Split a vector into multiple columns

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

Details

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.

Examples

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