The R Package for "The Basics of Item Response Theory Using R"

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Documentation for package ‘birtr’ version 1.0.0

• DESCRIPTION file.

Help Pages

birtr-package	The R Package for "The Basics of Item Response Theory Using R"
ability	Ability Estimation
birtr	The R Package for "The Basics of Item Response Theory Using R"
groupinv	Group Invariance of Item Parameters
icc	Item Characteristic Curve
icccal	Item Characteristic Curve Calculations
iccfit	Item Characteristic Curve Fitting
iccplot	Item Characteristic Curve Plot
rasch	Rasch Model Calibration
tcc	Test Characteristic Curve
tif	Test Information Function