ltm (version 1.2-0)

Latent Trait Models under IRT

Description

Analysis of multivariate dichotomous and polytomous data using latent trait models under the Item Response Theory approach. It includes the Rasch, the Two-Parameter Logistic, the Birnbaum's Three-Parameter, the Graded Response, and the Generalized Partial Credit Models.

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install.packages('ltm')

Monthly Downloads

7,783

Version

1.2-0

License

GPL (>= 2)

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Last Published

February 18th, 2022

Functions in ltm (1.2-0)