Package index • VEMIRT

All functions

C2PL_bs(): Bootstrap Version of GVEM Confirmatory Analysis for M2PL

C2PL_data: Simulated Data Set for Confirmatory M2PL Analysis

C2PL_gvem(): Confirmatory M2PL Analysis

C2PL_iw() E2PL_iw(): Importance Weighted Version of GVEM Analysis for M2PL Models

C2PL_iw2(): IW-GVEM Algorithm for Confirmatory M2PL Analysis

C3PL_data: Simulated Data Set for Confirmatory M3PL Analysis

C3PL_sgvem(): Stochastic GVEM for Confirmatory M3PL Analysis

D2PL_data: Simulated Data Set for DIF M2PL Analysis

D2PL_em(): EM Algorithms for DIF Detection in M2PL Models

D2PL_gvem(): GVEM Algorithms for DIF Detection in M2PL Models

D2PL_lrt(): Likelihood Ratio Test for DIF Detection in M2PL Models

D2PL_pair_em(): EM Algorithm with ADMM for DIF Detection Using Group Pairwise Truncated \(L_1\) Penalty in 2PL Models

E2PL_data_C1: Simulated Data Set for Exploratory M2PL Analysis Under C1 Constraint

E2PL_data_C2: Simulated Data Set for Exploratory M2PL Analysis Under C2 Constraint

E2PL_gvem_adaptlasso(): Exploratory M2PL Analysis with Adaptive Lasso Penalty

E2PL_gvem_lasso(): Exploratory M2PL Analysis with Lasso Penalty

E2PL_gvem_rot(): Exploratory M2PL Analysis with Post-hoc Rotation

E3PL_data_C1: Simulated Data Set for Exploratory M3PL Analysis Under C1 Constraint

E3PL_data_C2: Simulated Data Set for Exploratory M3PL Analysis Under C2 Constraint

E3PL_sgvem_adaptlasso(): Stochastic GVEM with Adaptive Lasso Penalty for Exploratory M3PL Analysis

E3PL_sgvem_lasso(): Stochastic GVEM with Lasso Penalty for Exploratory M3PL Analysis

E3PL_sgvem_rot(): Stochastic GVEM for Exploratory M3PL Analysis

MGPCM_data: Simulated Data Set for the Generalized Partial Credit Model

MGPCM_gvem(): GVEM Algorithm for the Generalized Partial Credit Model

MGRM_data: Simulated Data Set for the Graded Response Model

MGRM_gvem(): GVEM Algorithm for the Graded Response Model

VEMIRT VEMIRT-package: VEMIRT: A Package for High-Dimensional IRT Models

coef(): Extract Parameter Estimates from DIF 2PL Analysis

coef(): Extract DIF 2PL Items

coef(): Extract Parameter Estimates from Explanatory or Confirmatory Analysis

pa_poly(): Parallel analysis using polychoric correlation

print(): Print DIF 2PL Items by Group

print(): Print Summary of DIF 2PL Items

print(): Print Parameter Estimates from Explanatory or Confirmatory Analysis

shinyVEMIRT(): Shiny App for VEMIRT

summary(): Summarize DIF 2PL Items