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 |