A pure Dart library for Item Response Theory (IRT). Implements Rasch (1PL), 2PL, 3PL dichotomous models, polytomous RSM/PCM, EM/MML estimation, CAT helpers, DIF analysis, person estimators (EAP, MLE, [...]
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A pure Dart library for Item Response Theory (IRT). Implements Rasch (1PL), 2PL, 3PL dichotomous models, polytomous RSM/PCM, EM/MML estimation, CAT helpers, DIF analysis, person estimators (EAP, MLE, WLE), fit indices and simulation utilities.
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MIT (license)
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