apply_columns: Apply a function to specific columns

In rwash/surveys: Functions to assist with loading and analyzing surveys

Apply a function to specific columns

Description

Apply a function to a specified set of columns in a data frame

Usage

apply_columns(df, fun, cols, ...)

Arguments

df	The data.frame to apply to
fun	The function to apply. The first parameter should be the column of data
cols	The set of columns to apply to
...	Additional parameters to pass into fun

Value

A new copy of the data frame with the modified columns

Examples

df <- data.frame(one=c("1.0", "2.0"), two=c("3.0", "4.0"))
df <- apply_columns(df, as.numeric, c("one", "two"))

rwash/surveys documentation built on Sept. 18, 2023, 11:31 p.m.