map_values {mlr3misc}

Replace Elements of Vectors with New Values

Description

Replaces all values in x which match old with values in new. Values are matched with base::match().

Usage

map_values(x, old, new)

Arguments

x

(⁠vector())⁠.

old

(vector())
Vector with values to replace.

new

(vector())
Values to replace with. Will be forced to the same length as old with base::rep_len().

Value

(vector()) of the same length as x.

Examples

x = letters[1:5]

# replace all "b" with "_b_", and all "c" with "_c_"
old = c("b", "c")
new = c("_b_", "_c_")
map_values(x, old, new)