Parameter Estimation of Item Response Theory with Estimation of Latent Distribution


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Documentation for package ‘IRTest’ version 0.1.0

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DataGeneration Generating artificial item response data
dist2 Re-parameterized two-component normal mixture distribution
GHc Gauss-Hermite constants
IRTest_Dich Item and ability parameters estimation for dichotomous items
IRTest_Mix Item and ability parameters estimation for a mixed-format item response data
IRTest_Poly Item and ability parameters estimation for polytomous items
original_par_2GM Recovering original parameters of two-component Gaussian mixture distribution from re-parameterized parameters
plot_LD Plotting the estimated latent distribution