Nothing
Offers itemresponse theory (IRT) idealpoint estimation for binary, ordinal, counts and continuous responses with timevarying and missingdata inference. Full and approximate Bayesian sampling with 'Stan' (<https://mcstan.org/>).
Package details 


Author  Robert Kubinec [aut, cre], Jonah Gabry [ctb], Ben Goodrich [ctb], Trustees of Columbia University [cph] 
Maintainer  Robert Kubinec <rmk7@nyu.edu> 
License  GPL 
Version  0.7.2 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.