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qqtest  

Self Calibrating Quantile-Quantile Plots for Visual Testing
View on CRAN: Click here


Download and install qqtest package within the R console
Install from CRAN:
install.packages("qqtest")

Install from Github:
library("remotes")
install_github("cran/qqtest")

Install by package version:
library("remotes")
install_version("qqtest", "1.2.1")



Attach the package and use:
library("qqtest")
Maintained by
Wayne Oldford
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2014-12-14
Latest Update: 2020-03-16
Description:
Provides the function qqtest which incorporates uncertainty in its qqplot display(s) so that the user might have a better sense of the evidence against the specified distributional hypothesis. qqtest draws a quantile quantile plot for visually assessing whether the data come from a test distribution that has been defined in one of many ways. The vertical axis plots the data quantiles, the horizontal those of a test distribution. The default behaviour generates 1000 samples from the test distribution and overlays the plot with shaded pointwise interval estimates for the ordered quantiles from the test distribution. A small number of independently generated exemplar quantile plots can also be overlaid. Both the interval estimates and the exemplars provide different comparative information to assess the evidence provided by the qqplot for or against the hypothesis that the data come from the test distribution (default is normal or gaussian). Finally, a visual test of significance (a lineup plot) can also be displayed to test the null hypothesis that the data come from the test distribution.
How to cite:
Wayne Oldford (2014). qqtest: Self Calibrating Quantile-Quantile Plots for Visual Testing. R package version 1.2.1, https://cran.r-project.org/web/packages/qqtest. Accessed 29 Oct. 2026.
Previous versions and publish date:
(2026-07-21 23:30), 1.0 (2014-12-14 01:15), 1.1.1 (2016-02-25 00:32), 1.1 (2015-08-20 23:56), 1.2.0 (2020-03-16 17:40)
Other packages that cited qqtest R package
View qqtest citation profile
Other R packages that qqtest depends, imports, suggests or enhances
Complete documentation for qqtest
Functions, R codes and Examples using the qqtest R package
Some associated functions: WachusettReservoir . bacteria . dkay . hideLocation . penicillin . pkay . primer . pullstrength . qkay . qqtest . revealLocation . rkay . sittingHeights . stacklossDistances . 
Some associated R codes: WachusettReservoir.R . bacteria.R . dkay.R . hideLocation.R . penicillin.R . pkay.R . primer.R . pullstrength.R . qkay.R . qqtest.R . revealLocation.R . rkay.R . sittingHeights.R . stacklossDistances.R .  Full qqtest package functions and examples
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