R Graphical Manual

Last data update: 2014.03.03

R: Create item response map table

itemResponseMap

R Documentation

Create item response map table

Categories are placed at the mean score of the examinees who picked that category.

itemResponseMap(grp, ..., factor = 1)

`grp`	an IFA group
`...`	Not used. Forces remaining arguments to be specified by name.
`factor`	which factor to plot (defaults to 1)

A data.frame of the raw data backing the plot. Item outcomes without any observations are omitted.