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Qapprox

Approximation to the Survival Functions of Quadratic Forms of Gaussian Variables

v0.2.0 · Jul 6, 2021 · GPL-2

Description

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) <arXiv:2005.00905>.

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r-oldrel-windows-x86_64 OK
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CRAN incoming feasibility

Maintainer: ‘Hong Zhang <hzhang@wpi.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Hong",
                    family = "Zhang",
                    role = c("aut", "cre"),
                    email = "hzhang@wpi.edu")
as necessary.

The Description field contains
  <arXiv:2005.00905>.
Please refer to arXiv e-prints via their arXiv DOI <doi:10.48550/arXiv.YYMM.NNNNN>.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Hong Zhang <hzhang@wpi.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Hong",
                    family = "Zhang",
                    role = c("aut", "cre"),
                    email = "hzhang@wpi.edu")
as necessary.

The Description field contains
  <arXiv:2005.00905>.
Please refer to arXiv e-prints via their arXiv DOI <doi:10.48550/arXiv.YYMM.NNNNN>.
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Check History

NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 9, 2026
NOTE r-devel-linux-x86_64-debian-clang

CRAN incoming feasibility

Maintainer: ‘Hong Zhang <hzhang@wpi.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Hong",
                    family = "Zhang",
                    role = c("aut", "cre"),
                    email = "hzhang@wpi.edu")
as necessary.

The Description field contains
  <arXiv:2005.00905>.
Please refer to arXiv e-prints via their arXiv DOI <doi:10.48550/arXiv.YYMM.NNNNN>.
NOTE r-devel-linux-x86_64-debian-gcc

CRAN incoming feasibility

Maintainer: ‘Hong Zhang <hzhang@wpi.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Hong",
                    family = "Zhang",
                    role = c("aut", "cre"),
                    email = "hzhang@wpi.edu")
as necessary.

The Description field contains
  <arXiv:2005.00905>.
Please refer to arXiv e-prints via their arXiv DOI <doi:10.48550/arXiv.YYMM.NNNNN>.

Version History

new 0.2.0 Mar 10, 2026