Dichotomous and polytomous data analysis and their scoring using the unidimensional Item Response Theory model (Chalmers (2012) doi:10.18637/jss.v048.i06) with user-friendly Graphical User Interface. Suitable for beginners who are learning Item Response Theory
install.packages(“irtawsi”) ### install from github devtools::install_github(“SusantoHP/irtawsi”)
a.first mehtod irtawsi::irtawsi() b.second method Library(irtawsi) irtawsi()
Each command for analysis can be viewed on each UI layer by pressing the steps button.
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