data.allison {miceadds}R Documentation

Datasets from Allison's Missing Data Book

Description

Datasets from Allison's missing data book (Allison 2002).

Usage

data(data.allison.gssexp)
data(data.allison.hip)
data(data.allison.usnews)

Format

Source

The datasets were downloaded from http://www.ats.ucla.edu/stat/examples/md/.

References

Allison, P. D. (2002). Missing data. Newbury Park, CA: Sage.

Examples

## Not run: 
#############################################################################
# EXAMPLE 1: Hip dataset | Imputation using a wide format
#############################################################################

# at first, the hip dataset is 'melted' for imputation

data(data.allison.hip)
  ##   head(data.allison.hip)
  ##     SID WAVE ADL PAIN SRH WALK   CESD
  ##   1   1    1   3    0   2    1  9.000
  ##   2   1    2   2    5   4    0 28.000
  ##   3   1    3   3    0   2    0 31.000
  ##   4   1    4   3    0   2    0 11.579
  ##   5   2    1   3    0   4    0     NA
  ##   6   2    2   1    1   1    0  2.222

library(reshape)
hip.wide <- reshape::reshape(data.allison.hip, idvar="SID", timevar="WAVE",
                direction="wide")
  ##   > head(hip.wide, 2)
  ##     SID ADL.1 PAIN.1 SRH.1 WALK.1 CESD.1 ADL.2 PAIN.2 SRH.2 WALK.2 CESD.2 ADL.3
  ##   1   1     3      0     2      1      9     2      5     4      0 28.000     3
  ##   5   2     3      0     4      0     NA     1      1     1      0  2.222     2
  ##     PAIN.3 SRH.3 WALK.3 CESD.3 ADL.4 PAIN.4 SRH.4 WALK.4 CESD.4
  ##   1      0     2      0     31     3      0     2      0 11.579
  ##   5      5     1      0     12     1     NA     2      0     NA

# imputation of the hip wide dataset
imp <- mice::mice( as.matrix( hip.wide[,-1] ), m=5, maxit=3 )
summary(imp)

## End(Not run)

[Package miceadds version 3.17-44 Index]