data.adult.revised {DIFplus}

Modified data.adult by removing all strata with zero marginal means.

Description

This data example contains binary (0/1) responses of 684 participants to 12 items. Particpants were classified into 10 clusters, 2 groups, and 3 strata.

Usage

data("data.adult.revised")

Format

A data frame with 684 observations on the following 15 variables.

Cluster

The cluster variable

I1

Item 1

I2

Item 2

I3

Item 3

I4

Item 4

I5

Item 5

I6

Item 6

I7

Item 7

I8

Item 8

I9

Item 9

I10

Item 10

I11

Item 11

I12

Item 12

Group

Binary group membership variable

Stratum

A prespecified matching variable with three levels

Details

A data set with 15 variables: (1) binary (0/1) responses of 684 participants to 12 items; (2) a cluster indicator variable with ten levels; (3) a group indicator variable with two levels; and (4) a stratum variable with three levels.

Examples

data(data.adult.revised)
## maybe str(data.adult.revised) ; plot(data.adult.revised) ...