produce_NA: Produces a dataframe with missing values
Description
Produces a dataframe with missing values.
For each variable, a random sample of observations of size proportion * nrow(x)
will be set to NA.
Usage
produce_NA(x, proportion = 0.1)
Value
dataframe with missing values.
Arguments
- x
a dataframe
- proportion
proportion of missing values to be produced; a vector of size ncol(x)
or a single value to be applied to all variables in the dataframe.