unlistMap: Unlist a mapping list into a named vector

In easy.utils: Frequently Used Functions for Easy R Programming

Unlist a mapping list into a named vector

Description

Function to unlist a one-to-one or one-to-many 'key-value' list into a named vector. Useful for batched replacement of vector elements.

Usage

unlistMap(map, keep.unique = TRUE)

Arguments

map	A named list. Each element must be a vector.
keep.unique	Whether or not to remove elements with duplicated names from the output vector.

Value

A named vector whose names are original values in map, and elements are keys of map

Examples

map <- list(X = c("a", "b"), Y = c("c", "d"))
unlistMap(map)

map <- list(X = c("a", "b", "c"), Y = c("c", "d"))
unlistMap(map)
unlistMap(map, keep.unique = FALSE)

easy.utils documentation built on April 4, 2025, 6:13 a.m.