mi_indicator: Create missing data indicators

In sdaza/sdazar: My functions.

Description

Create missing data indicators for varaibles with missing data.

Usage

mi_indicator(dat, vars = NULL)

Arguments

dat	'data.table' object.
vars	Character vector with name of variables.

Value

'data.table' with indicator variables. Missing data are replaced by the mean (numeric and interger) and the mode (factors).

Examples

a <- c(NA,2,3,4, NA)
b <- c(2,3,4,NA, 3)
c <- c(1,2,3,NA, 1)
dat <- data.table(a,b,c)
vars <- names(dat)
mi_indicator(dat, vars)

sdaza/sdazar documentation built on May 29, 2019, 4:20 p.m.