| na_if {dplyr} | R Documentation |
This is a translation of the SQL command NULL_IF. It is useful
if you want to convert an annoying value to NA.
na_if(x, y)
x |
Vector to modify |
y |
Value to replace with NA |
A modified version of x that replaces any values that
are equal to y with NA.
coalesce() to replace missing values with a specified
value.
na_if(1:5, 5:1)
x <- c(1, -1, 0, 10)
100 / x
100 / na_if(x, 0)
y <- c("abc", "def", "", "ghi")
na_if(y, "")