add_missingness {rMIDAS}

Apply MAR missingness to data

Description

Helper function to add missing values to data.

Usage

add_missingness(X, prop, cols = NULL)

Arguments

X

A data.frame or similar

prop

Numeric value between 0 and 1; the proportion of observations set to missing

cols

A vector of column names to be corrupted; if NULL, all columns are used

Value

Data with missing values

Examples

whole_data <- data.frame(a = rnorm(1000),
                        b = rnorm(1000))

missing_data <- add_missingness(whole_data, 0.1)