| when {SparkR} | R Documentation |
Evaluates a list of conditions and returns one of multiple possible result expressions. For unmatched expressions null is returned.
when(condition, value) ## S4 method for signature 'Column' when(condition, value)
condition |
the condition to test on. Must be a Column expression. |
value |
result expression. |
when since 1.5.0
Other normal_funcs: abs,
bitwiseNOT, coalesce,
column, expr,
greatest, ifelse,
isnan, least,
lit, nanvl,
negate, randn,
rand, struct
## Not run: when(df$age == 2, df$age + 1)