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psychomix (version 0.2-1)

Psychometric Mixture Models

Description

Psychometric mixture models based on flexmix infrastructure. At the moment Rasch mixture models with different parametrizations of the score distribution (saturated vs. mean/variance specification) and Bradley-Terry mixture models are implemented. Both mixture models can be estimated with or without concomitant variables. See vignette("raschmix", package = "psychomix") for details on the Rasch mixture models.

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Version

Install

install.packages('psychomix')

Monthly Downloads

2,121

Version

0.2-1

License

GPL-2

Maintainer

Hannah Frick

Last Published

March 2nd, 2012

Functions in psychomix (0.2-1)

btmix-class

Class "btmix"
raschmix-class

Class "raschmix"
raschmix-methods

Methods for raschmix Objects
raschmix-plot-method

Profile Plot of Item Parameters
simRaschmix

Simulate Data from Rasch Mixture Models
btmix-methods

Methods for btmix Objects
btmix

Finite Mixtures of Bradley-Terry Models
raschmix

Finite Mixtures of Rasch Models
effectsplot

Effects Displays for Concomitant Variables in Finite Mixture Models