CCCfit                  Empirical category characteristic curve plot
                        for the Partial Credit Model
CQmodel                 ConQuest Output Processing
ICCfit                  Empirical item characteristic curve plot for
                        the Rasch Model~
WrightMap               Wright Map: IRT Item-Person Map
extract.deltas          Extract Master's Delta parameters from a TAM
                        model.
fitgraph                Item Fit Graphs
item.person.data        Processing CQmodel objects for plotting
item.side               Wright Map Item Sides
make.deltas             Calculate Master's Delta parameters.
make.thresholds         Calculate Thurstonian thresholds.
person.side             Wright Map person sides
plotCI                  Plotting confidence intervals and DIF
ppPlot                  Person probability plots
sim.PCM                 Simulate Item Responses for Partial Credit and
                        Rasch Models with Varying Levels
wrightMap               wrightMap: item-person maps
