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ltm (version 1.0-0)

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

install.packages('ltm')

Monthly Downloads

7,783

Version

1.0-0

License

GPL (>= 2)

Last Published

December 20th, 2013

Functions in ltm (1.0-0)