cci {mice}R Documentation

Extracts (in)complete case indicator

Description

Extracts (in)complete case indicator

Usage

## S4 method for signature 'data.frame'
cci(x)
## S4 method for signature 'matrix'
cci(x)
## S4 method for signature 'mids'
cci(x)
## S4 method for signature 'data.frame'
ici(x)
## S4 method for signature 'matrix'
ici(x)
## S4 method for signature 'mids'
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.

Details

This array is useful for extracting subsets of the complete and incomplete data. Missing values in x are coded as NA.

Value

A logical vector indicating the complete and the incomplete cases, with a length of nrow(x) if x is a data.frame or matrix, and with length length(x) in other cases.

Author(s)

Stef van Buuren, 2010.

See Also

na.omit, cc, ic, codeccn, codelinkicn

Examples

  cci(nhanes) # indicator for 13 complete cases 
  ici(nhanes) # indicator for 12 rows with incomplete cases 
  f <- cci(nhanes[,c("bmi","hyp")]) # complete data for bmi and hyp
  nhanes[f,] # obtain all data from those with complete bmi and hyp
[Package mice version 2.11 Index]