- Programming Language: S/R ×
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grade is a package for 'R' (www.r-project.org/). grade provides tools to compare a teacher's answer to a student's answer, subject to appropriate constraints.0 weekly downloads
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.24 weekly downloads