equateIRT

Computation of direct, chain and average (bisector) equating coefficients with standard errors using Item Response Theory (IRT) methods for dichotomous items doi:10.1007/s11336-012-9316-y, doi:10.18637/jss.v068.i07. Test scoring can be performed by true score equating and observed score equating methods. DIF detection can be performed using a Wald-type test doi:10.1007/s10260-018-00442-w. The package includes tests to assess the stability of the equating transformations doi:10.1111/stan.12277.

Last 30 days

This package has been downloaded 595 times in the last 30 days. This could be a paper that people cite without reading. Reaching the medium popularity echelon is no small feat! The following heatmap shows the distribution of downloads per day. Yesterday, it was downloaded 11 times.

The following line graph shows the downloads per day. You can hover over the graph to see the exact number of downloads per day.

Last 365 days

This package has been downloaded 8,205 times in the last 365 days. A solid achievement! Enough downloads to get noticed at department meetings. The day with the most downloads was Aug 01, 2024 with 97 downloads.

The following line graph shows the downloads per day. You can hover over the graph to see the exact number of downloads per day.