May I ask for the help on how to plot Item characteristic curve (ICC) one item each. I have fit 3 parameter model for a test with 40 items.Currently I get ICC for all the 40 items in a single graph making it difficult to interpret.
Thanks and Regards, -- Maulik Shah [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.