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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, [...]

Use this package as a library

Depend on it

Run this command:

With Dart:

 $ dart pub add dart_irt

With Flutter:

 $ flutter pub add dart_irt

This will add a line like this to your package's pubspec.yaml (and run an implicit dart pub get):

dependencies:
  dart_irt: ^0.0.1

Alternatively, your editor might support dart pub get or flutter pub get. Check the docs for your editor to learn more.

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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.

Documentation

API reference

License

MIT (license)

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