The wizirt package is up and running. To install it, use

devtools::install_github('Pflegermeister/wizirt')

To get started using wizirt, first load it.

library(wizirt)

To test if wizirt is working correctly, use irt_report() with the practice data. If this produces a report then wizirt is working on your machine.

data("responses")
irt_report(data = responses[,-1])

You can see an example of how the output should look here.

You can more detailed instructions on using wizirt here.