Stan Models for Item Response Theory
Convert covariate data frame for long format data
Validate a boolean covariate
Validate a continuous covariate
Validate formula and covariate data
Read and print the code for an edstan model
Stan for item response theory
Create a Stan data list from an item response matrix or from long-form...
Fit an item response model with Stan
Transform a vector into consecutive integers
View a table of selected parameter posteriors after using irt_stan
Rescale binary covariates as appropriate for edstan models
Rescale continuous covariates as appropriate for edstan models
View a plot of summary statistics after using irt_stan
Streamlines the fitting of common Bayesian item response models using Stan.