xxIRT: Practical Item Response Theory and Computer-Based Testing in R

An implementation of item response theory and computer-based testing in R. It is designed for bridging the gap between theoretical advancements in psychometric research and their applications in practice. Currently, it consists of five modules: (1) common item response theory functions, (2) estimation procedures, (3) automated test assembly framework, (4) computerized adaptive testing framework, (5) multistage testing framework. See detailed documentation at <https://github.com/xluo11/xxIRT>.

Install the latest version of this package by entering the following in R:
install.packages("xxIRT")
AuthorXiao Luo [aut, cre]
Date of publication2017-04-13 17:19:36 UTC
MaintainerXiao Luo <xluo1986@gmail.com>
LicenseGPL (>= 3)
Version2.0.1
https://github.com/xluo11/xxIRT

View on CRAN

Functions

ata Man page
ata_append Man page
ata_constraint Man page
ata_form_index Man page
ataHelpers Man page
ata_item_enemy Man page
ata_item_fixedvalue Man page
ata_item_maxselect Man page
ata_obj_absolute Man page
ata_obj_coef Man page
ata_obj_relative Man page
ata_solve Man page
ata_solve_glpk Man page
ata_solve_lpsolve Man page
cat_estimate_default Man page
catHelpers Man page
cat_select_ccat Man page
cat_select_default Man page
cat_select_randomesque Man page
cat_select_shadow Man page
cat_sim Man page
cat_stop_default Man page
cat_stop_projection Man page
estimate_3pl Man page
estimate_items Man page
estimate_items_3pl_bme Man page
estimate_items_3pl_check_input Man page
estimate_items_3pl_init_par Man page
estimate_items_3pl_jmle Man page
estimate_items_3pl_mmle Man page
estimate_people Man page
estimate_people_3pl_check_input Man page
estimate_people_3pl_eap Man page
estimate_people_3pl_map Man page
estimate_people_3pl_mle Man page
estimationHelper Man page
freq Man page
irt_model Man page
irt_rescale_3pl Man page
irt_sample Man page
irt_select Man page
irt_stats Man page
model_3pl Man page
mst Man page
mst_assemble Man page
mst_constraint Man page
mst_get_items Man page
mstHelpers Man page
mst_indices_input Man page
mst_module_mininfo Man page
mst_objective Man page
mst_reindex_routes Man page
mst_route Man page
mst_set_rdp Man page
mst_sim Man page
mst_stage_length Man page
plot.ata Man page
plot.cat Man page
plot.model.3pl Man page
plot.mst Man page
print.ata Man page
print.cat Man page
print.irt.model Man page
print.mst Man page
quadrature Man page
rmse Man page

Questions? Problems? Suggestions? or email at ian@mutexlabs.com.

Please suggest features or report bugs with the GitHub issue tracker.

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