Practical Item Response Theory and Computer-Based Testing in R


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Documentation for package ‘xxIRT’ version 2.0.1

Help Pages

ata Automated Test Assembly (ATA)
ataHelpers ATA Helper Functions
ata_append ATA Helper Functions
ata_constraint Automated Test Assembly (ATA)
ata_form_index ATA Helper Functions
ata_item_enemy Automated Test Assembly (ATA)
ata_item_fixedvalue Automated Test Assembly (ATA)
ata_item_maxselect Automated Test Assembly (ATA)
ata_obj_absolute Automated Test Assembly (ATA)
ata_obj_coef ATA Helper Functions
ata_obj_relative Automated Test Assembly (ATA)
ata_solve Automated Test Assembly (ATA)
ata_solve_glpk Automated Test Assembly (ATA)
ata_solve_lpsolve Automated Test Assembly (ATA)
catHelpers CAT Helper Functions
cat_estimate_default Computerized Adaptive Testing (CAT) Simulation
cat_select_ccat Computerized Adaptive Testing (CAT) Simulation
cat_select_default Computerized Adaptive Testing (CAT) Simulation
cat_select_randomesque CAT Helper Functions
cat_select_shadow Computerized Adaptive Testing (CAT) Simulation
cat_sim Computerized Adaptive Testing (CAT) Simulation
cat_stop_default Computerized Adaptive Testing (CAT) Simulation
cat_stop_projection Computerized Adaptive Testing (CAT) Simulation
estimate_3pl Estimate Both People and Item Parameters
estimate_items Estimate Item Parameters
estimate_items_3pl_bme Estimate Item Parameters
estimate_items_3pl_check_input Estimation Helper Functions
estimate_items_3pl_init_par Estimation Helper Functions
estimate_items_3pl_jmle Estimate Item Parameters
estimate_items_3pl_mmle Estimate Item Parameters
estimate_people Estimate People Parameters
estimate_people_3pl_check_input Estimation Helper Functions
estimate_people_3pl_eap Estimate People Parameters
estimate_people_3pl_map Estimate People Parameters
estimate_people_3pl_mle Estimate People Parameters
estimationHelper Estimation Helper Functions
freq Count Frequency
irt_model Create IRT Models
irt_rescale_3pl Rescale 3PL parameters
irt_sample Subset IRT Model
irt_select Subset IRT Model
irt_stats Compute IRT Statistics
model_3pl 3PL Model
mst Computerized Multistage Testing (MST)
mstHelpers MST Helper Functions
mst_assemble Computerized Multistage Testing (MST)
mst_constraint Computerized Multistage Testing (MST)
mst_get_items Computerized Multistage Testing (MST)
mst_indices_input MST Helper Functions
mst_module_mininfo Computerized Multistage Testing (MST)
mst_objective Computerized Multistage Testing (MST)
mst_reindex_routes MST Helper Functions
mst_route Computerized Multistage Testing (MST)
mst_set_rdp Computerized Multistage Testing (MST)
mst_sim MST Simulation
mst_stage_length Computerized Multistage Testing (MST)
plot.ata Automated Test Assembly (ATA)
plot.cat Computerized Adaptive Testing (CAT) Simulation
plot.model.3pl Create IRT Models
plot.mst Computerized Multistage Testing (MST)
print.ata Automated Test Assembly (ATA)
print.cat Computerized Adaptive Testing (CAT) Simulation
print.irt.model Create IRT Models
print.mst Computerized Multistage Testing (MST)
quadrature Estimation Helper Functions
rmse Compute Root Mean Square Error