strsplit2 {limma} | R Documentation

## Split Composite Names

### Description

Split a vector of composite names into a matrix of simple names.

### Usage

    strsplit2(x, split, ...)

### Arguments

`x` | character vector
`split` | character to split each element of vector on, see `strsplit`
`...` | other arguments are passed to `strsplit`

### Details

This function is the same as `strsplit` except that the output value is a matrix instead of a list. The first column of the matrix contains the first component from each element of `x`, the second column contains the second components etc. The number of columns is equal to the maximum number of components for any element of `x`.

The motivation for this function in the limma package is handle input columns which are composites of two or more annotation fields.

### Value

A list containing components

`Name` | character vector of the same length as `x` contain first splits of each element
`Annotation` | character vector of the same length as `x` contain second splits of each element

### Author(s)

Gordon Smyth

### See Also

`strsplit`.

An overview of LIMMA functions for reading data is given in 03.ReadingData.

### Examples

    x <- c("AA196000;actinin, alpha 3",
    "AA464163;acyl-Coenzyme A dehydrogenase, very long chain",
    "3E7;W15277;No Annotation")
    strsplit2(x,split=";")

[Package limma version 3.44.3 Index]