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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.

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Additional Project Details


English, French

Intended Audience

Advanced End Users, Developers, Education, Science/Research

User Interface

Command-line, Excel, Win32 (MS Windows)

Programming Language

C, S/R, Visual Basic


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