Qapprox

Approximation to the Survival Functions of Quadratic Forms of Gaussian Variables

CRAN Package

Calculates the right-tail probability of quadratic forms of Gaussian variables using the skewness-kurtosis ratio matching method, modified Liu-Tang-Zhang method and Satterthwaite-Welch method. The technical details can be found in Hong Zhang, Judong Shen and Zheyang Wu (2020) doi:10.48550/arXiv.2005.00905.

  • Version0.2.0
  • R versionunknown
  • LicenseGPL-2
  • Needs compilation?No
  • Last release07/07/2021

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Insights

Last 30 days

This package has been downloaded 182 times in the last 30 days. Now we're getting somewhere! Enough downloads to populate a lively group chat. The following heatmap shows the distribution of downloads per day. Yesterday, it was downloaded 5 times.

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0 downloadsMar 2, 2025
0 downloadsMar 3, 2025
12 downloadsMar 4, 2025
11 downloadsMar 5, 2025
6 downloadsMar 6, 2025
4 downloadsMar 7, 2025
8 downloadsMar 8, 2025
2 downloadsMar 9, 2025
4 downloadsMar 10, 2025
7 downloadsMar 11, 2025
5 downloadsMar 12, 2025
9 downloadsMar 13, 2025
4 downloadsMar 14, 2025
8 downloadsMar 15, 2025
2 downloadsMar 16, 2025
1 downloadsMar 17, 2025
11 downloadsMar 18, 2025
6 downloadsMar 19, 2025
7 downloadsMar 20, 2025
9 downloadsMar 21, 2025
4 downloadsMar 22, 2025
3 downloadsMar 23, 2025
9 downloadsMar 24, 2025
5 downloadsMar 25, 2025
3 downloadsMar 26, 2025
3 downloadsMar 27, 2025
12 downloadsMar 28, 2025
0 downloadsMar 29, 2025
11 downloadsMar 30, 2025
3 downloadsMar 31, 2025
8 downloadsApr 1, 2025
5 downloadsApr 2, 2025
0 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 2,569 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 30 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