Rasch modeling with all the bells and whistles. Implementations for Rasch model, partial credit model, rating scale model, and its linear extensions (upcoming). Classical and Bayesian estimation.
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Implement Warm's weighted likelihood estimation for person parameters #28
The conditional maximum likelihood estimation only allows to estimate item parameters. Warm's weighted likelihood estimation (Warm, 1989) should be implemented to also allow for person parameter estimation.
The conditional maximum likelihood estimation only allows to estimate item parameters. Warm's weighted likelihood estimation (Warm, 1989) should be implemented to also allow for person parameter estimation.