The signature display of the extended frame of reference model: the model expected-score curve of one underlying item drawn once per person group (curves fan with the group units), with observed class-interval means per group overlaid.
Usage
plot_icc_frames(fit, item, n_groups = fit$n_groups, grid = seq(-5, 5, 0.05))Arguments
- fit
A fitted object from
rasch_efrm.- item
Underlying item name.
- n_groups
Number of class intervals for the observed means.
- grid
Logit grid.