ata                     Automated Test Assembly (ATA)
ataHelpers              ATA Helper Functions
catHelpers              CAT Helper Functions
cat_sim                 Computerized Adaptive Testing (CAT) Simulation
estimate_3pl            Estimate Both People and Item Parameters
estimate_items          Estimate Item Parameters
estimate_people         Estimate People Parameters
estimationHelper        Estimation Helper Functions
freq                    Count Frequency
irt_model               Create IRT Models
irt_rescale_3pl         Rescale 3PL parameters
irt_select              Subset IRT Model
irt_stats               Compute IRT Statistics
model_3pl               3PL Model
mst                     Computerized Multistage Testing (MST)
mstHelpers              MST Helper Functions
mst_sim                 MST Simulation
rmse                    Compute Root Mean Square Error
