Create grouped bar charts of group-specific item/category response probabilities
for DIF items identified by pairwiseDIF().
Usage
# S3 method for class 'pairwiseDIF'
plot(x, item = "all", withSE = FALSE, SE.type = 2, ...)Arguments
- x
model object of class
pairwiseDIF- item
A scalar or vector specifying the DIF item(s) to plot.
- withSE
logical; Add error bar (estimate - SE, estimate + SE) to the plots?
- SE.type
How is SE estimated. By default, it's based on OPG using incomplete information.
- ...
additional arguments