Description Usage Arguments Details Value Author(s) Examples
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)
1 |
data |
a 'data.frame' (or 'tibble' or 'data.table') |
... |
expression to be evaluated to filter on rows |
DETAILS
'data frame'
Kevin Ushey
1 2 3 4 5 6 7 8 | ## Not run:
library(magrittr)
mtcars %>% mutate_when(
mpg > 22, list(cyl = 100),
disp == 160, list(cyl = 200))
## End(Not run)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.