All functions

calculate_cohort()

Calculates the cohort from the subject ID

calculate_dmodel()

Calculate the D-score model object given a fitted Rasch model

get_palette()

Obtains color palettes from a data package

gsed_palettes

Color palettes for the gsed data

plot_d_a_cohort()

Plot D-score against age by cohort

plot_pass()

Plot passing probability per item, by age or D-score

plot_tau_contrast()

Plot tau contrast between two models

print(<dmodel>)

Print a dmodel object

rasch()

Pairwise Estimation of the Rasch Model under Item Equating

set_anchor()

Set the anchor of the D-score scale