Recode values with no label to NA

Source: R/to_na.R

For labelled variables, values with no label will be recoded to NA.

nolabel_to_na(x)

Arguments

x

Object to recode.

Examples

v <- labelled(c(1, 2, 9, 1, 9), c(yes = 1, no = 2))
nolabel_to_na(v)
#> <labelled<double>[5]>
#> [1]  1  2 NA  1 NA
#> 
#> Labels:
#>  value label
#>      1   yes
#>      2    no