This array is useful for extracting the subset of incomplete cases.
Missing values in x are coded as NA. The companion function
for selecting the complete cases is cci().
Usage
ici(x)
Arguments
x
An R object. Currently supported are methods for the
following classes: mids, data.frame and matrix. In
addition, x can be a vector of any kind.
Value
Logical vector indicating the incomplete cases,
. If x is a data.frame or
matrix the length is nrow(x). In other cases,
the length is length(x).