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The new site is at http://psychometricon.net/libirt/
The new site is at http://psychometricon.net/libirt/
Library of functions to estimate the items and abilities from the responses of subjects to a questionnaire. The IRT models supported are the logistic model, the multivariate logistic model, the graded model and smoothing by penalization and kernel.
This is a versatile graph plotting software for windows.
It can plot graphs from user specified functions.
simple interface put the function and press draw.
no installation required.
Debuxxe is an open source personal grader (or judge system) written in VB6.0. It helps training students who participate in computer olympiad program or informatics contests. Users can add their problems to Debuxxe easily.