extract_prefix: Extract prefix from names

In jdreyf/ezlimmaplot: Bioinformatics plots using limma and ggplot2, some from output of ezlimma

Extract prefix from names

Description

Extract prefixes from names, presumably colnames. For example, the prefix of "x.p" would be "x".

Usage

extract_prefix(nm, suffix = "p", sep = ".")

Arguments

nm	Character vector of names to search.
suffix	Character string to search for at end of nm.
sep	Separator in nm preceeding suffix. One of ".", "_", NA, If NA, elements of nm must match suffix exactly.

Value

A character vector of prefixes. If there is no prefix and no sep, NA is returned.

jdreyf/ezlimmaplot documentation built on Feb. 8, 2025, 2:25 a.m.