Iana is an R package that implements a browser-based GUI for classical item and test analysis, factor analysis, and item response modeling with an focus on ordered-category items.
The documentation is included in the package. A short description can be found here.
Installation
The following R commands install the packages "devtools" (needed to install Iana) and "iana."
if (!require(devtools)) install.packages("devtools")
library(devtools)
install_github("mihock/iana")
The first line is only needed if you haven't already installed "devtools."
To launch Iana, type
library(iana)
runiana()
into an R console.