longpower

Compute power and sample size for linear models of longitudinal data. Supported models include mixed-effects models and models fit by generalized least squares and generalized estimating equations. The package is described in Iddi and Donohue (2022) doi:10.32614/RJ-2022-022. Relevant formulas are derived by Liu and Liang (1997) doi:10.2307/2533554, Diggle et al (2002) ISBN:9780199676750, and Lu, Luo, and Chen (2008) doi:10.2202/1557-4679.1098.

Last 30 days

This package has been downloaded 970 times in the last 30 days. More downloads than an obscure whitepaper, but not enough to bring down any servers. A solid effort! The following heatmap shows the distribution of downloads per day. Yesterday, it was downloaded 70 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 14,949 times in the last 365 days. The academic equivalent of having a dedicated subreddit. There are fans, and maybe even a few trolls! The day with the most downloads was Aug 28, 2024 with 179 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.