irtpwr

Power Analysis for IRT Models Using the Wald, LR, Score, and Gradient Statistics

CRAN Package

Implementation of analytical and sampling-based power analyses for the Wald, likelihood ratio (LR), score, and gradient tests. Can be applied to item response theory (IRT) models that are fitted using marginal maximum likelihood estimation. The methods are described in our paper (Zimmer et al. (2022) doi:10.1007/s11336-022-09883-5).


Documentation


Team


Insights

Last 30 days

This package has been downloaded 186 times in the last 30 days. More than a random curiosity, but not quite a blockbuster. Still, it's gaining traction! The following heatmap shows the distribution of downloads per day. Yesterday, it was downloaded 6 times.

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0 downloadsMar 2, 2025
0 downloadsMar 3, 2025
0 downloadsMar 4, 2025
11 downloadsMar 5, 2025
5 downloadsMar 6, 2025
5 downloadsMar 7, 2025
6 downloadsMar 8, 2025
1 downloadsMar 9, 2025
4 downloadsMar 10, 2025
9 downloadsMar 11, 2025
7 downloadsMar 12, 2025
5 downloadsMar 13, 2025
3 downloadsMar 14, 2025
11 downloadsMar 15, 2025
2 downloadsMar 16, 2025
2 downloadsMar 17, 2025
10 downloadsMar 18, 2025
5 downloadsMar 19, 2025
11 downloadsMar 20, 2025
9 downloadsMar 21, 2025
5 downloadsMar 22, 2025
5 downloadsMar 23, 2025
11 downloadsMar 24, 2025
5 downloadsMar 25, 2025
2 downloadsMar 26, 2025
8 downloadsMar 27, 2025
12 downloadsMar 28, 2025
1 downloadsMar 29, 2025
5 downloadsMar 30, 2025
4 downloadsMar 31, 2025
8 downloadsApr 1, 2025
8 downloadsApr 2, 2025
6 downloadsApr 3, 2025
0 downloadsApr 4, 2025
0 downloadsApr 5, 2025
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12

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 2,738 times in the last 365 days. Consider this 'mid-tier influencer' status—if it were a TikTok, it would get a nod from nieces and nephews. The day with the most downloads was Sep 11, 2024 with 43 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.

Data provided by CRAN


Binaries


Dependencies

  • Imports5 packages
  • Suggests3 packages