Forum to ask questions relating to the mirt and mirtCAT packages in R, as well discussing IRT analysis more generally. Bug reports or feature requests should be reported on the respective development versions on Github (mirt-issues, mirtCAT-issues). 

Showing 1-20 of 251 topics
Doubt for ICC plot Irshad Mujawar 5/27/15
Fit indices (e.g. CFI, TLI, RMSEA) using scales with few items yleni...@gmail.com 5/26/15
Problem in the printing Standard errors of item parameter Irshad Mujawar 5/25/15
G2 Statistic ibaldauf 5/24/15
Calculating the ability and Next item by simply inputting the item parameter matrix Irshad Mujawar 5/19/15
Problem in the formula of Standard Deviation Irshad Mujawar 5/19/15
expected.test() in twodimensional model Dr. Hans Hansen 5/18/15
M2 after longitudinal irt Makrem Ben Youssef 5/18/15
Help with interpretation of gpcm fit Dallie Sandilands 5/18/15
shinyGUI changes lucas bozza 5/16/15
longitudinal mirt Makrem Ben Youssef 5/15/15
fscores and fixing parameters Aaron Kaat 5/15/15
How do I set initial guess for theta? Eduardo Bonet 5/13/15
mirtCAT 0.5 is on CRAN Phil Chalmers 5/12/15
What about MCMC in mirt package? Danilo Assis Pereira 5/11/15
Fix a minimum value for G parameter in 3PL Eduardo Bonet 5/11/15
Flowchart? KwonHyun Kim 5/8/15
problem with standardized residuals Makrem Ben Youssef 5/5/15
Question about running latent regression for mirt Tongyun 5/4/15
modification indices Makrem Ben Youssef 5/1/15
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