IRTtool.com webapplication (beta version)
Step 1: Upload datafile (SPSS, CSV or Tab delimited)
Step 2: Verify Data and Build a model
Step 3: Check estimates and figures
ltm CRAN R-package by Dimitris Rizopoulos, Erasmus MC, 2009.
Web application written by Jeroen Ooms, Utrecht University, 2009.
Email: d.rizopoulos[at]erasmusmc[dot]nl || jeroenooms[at]gmail[dot]com.
