Arguments
- var
Variable (numeric, character, or factor).
- recodes
A character string definine the rule of recoding. e.g., "lo:1=0; c(2,3)=1; 4=2; 5:hi=3; else=999"
Value
A vector of recoded variable.
Examples
d = data.table(var=c(NA, 0, 1, 2, 3, 4, 5, 6))
added(d, {
var.new = RECODE(var, "lo:1=0; c(2,3)=1; 4=2; 5:hi=3; else=999")
})
d
#> var var.new
#> <num> <num>
#> 1: NA 999
#> 2: 0 0
#> 3: 1 0
#> 4: 2 1
#> 5: 3 1
#> 6: 4 2
#> 7: 5 3
#> 8: 6 3
