Filter variable for existing data

Filter variable where there are existing data in other variable.

filter_cens(x, y)

Arguments

x	Variable to be filtered.
y	Condition variable.

Value

Filtered variable.

Examples

df <- data.frame(
  cars = 1:3,
  cars_model = 4:6,
  cars_speed = 7:9,
  condition = c(NA, 1, 2)
)
dplyr::mutate_at(
  df,
  dplyr::vars(dplyr::starts_with("cars")),
  filter_cens, y = df$condition
)
#>   cars cars_model cars_speed condition
#> 1   NA         NA         NA        NA
#> 2    2          5          8         1
#> 3    3          6          9         2