itemResponseMap: Create item response map table
Description
Categories are placed at the mean score of the examinees who picked
that category.
Usage
itemResponseMap(grp, ..., factor = 1)
Arguments
...
Not used. Forces remaining arguments to be specified by name.
factor
which factor to plot (defaults to 1)
Value
A data.frame of the raw data backing the plot. Item outcomes
without any observations are omitted.