mutate_when: mutate_when

In lbusett/lbscripts:

Description

mutate a column within a dplyr pype only on a subset of rows specified by a condition Retrieved from a StackOverflow answer (https://stackoverflow.com/a/34170176/6871135)

Usage

mutate_when(data, ...)

Arguments

data	a 'data.frame' (or 'tibble' or 'data.table')
...	expression to be evaluated to filter on rows

Details

DETAILS

Value

'data frame'

Author(s)

Kevin Ushey

Examples

## Not run: 
 library(magrittr)
 mtcars %>% mutate_when(
            mpg > 22,    list(cyl = 100),
            disp == 160, list(cyl = 200))


## End(Not run)

lbusett/lbscripts documentation built on May 14, 2019, 1:46 p.m.