SparkR (version 2.1.2)

when: when

Description

Evaluates a list of conditions and returns one of multiple possible result expressions. For unmatched expressions null is returned.

Usage

when(condition, value)
# S4 method for Column
when(condition, value)

Arguments

condition

the condition to test on. Must be a Column expression.

value

result expression.

See Also

ifelse

Other normal_funcs: abs, bitwiseNOT, coalesce, column, expr, greatest, ifelse, isnan, least, lit, nanvl, negate, randn, rand, struct

Examples

# NOT RUN {
when(df$age == 2, df$age + 1)
# }