Function constructor for injecting independent missing-at-random NAs to columns

Function constructor for injecting independent missing-at-random NAs to columns

miss_at_random(p, nvars)

Arguments

p	numeric(1). Proportion of observations to change to missing
nvars	numeric(1). Number of columns this behavior should be applied to.

Value

a function suitable for use in missingness recipe, which when given .df, the data will return an N x nvars logical matrix.