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mratios  

Ratios of Coefficients in the General Linear Model
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("mratios", "1.4.4")



Attach the package and use:
library("mratios")
Maintained by
Frank Schaarschmidt
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2006-07-10
Latest Update: 2025-01-10
Description:
Performs (simultaneous) inferences for ratios of linear combinations of coefficients in the general linear model, linear mixed model, and for quantiles in a one-way layout. Multiple comparisons and simultaneous confidence interval estimations can be performed for ratios of treatment means in the normal one-way layout with homogeneous and heterogeneous treatment variances, according to Dilba et al. (2007) and Hasler and Hothorn (2008) . Confidence interval estimations for ratios of linear combinations of linear model parameters like in (multiple) slope ratio and parallel line assays can be carried out. Moreover, it is possible to calculate the sample sizes required in comparisons with a control based on relative margins. For the simple two-sample problem, functions for a t-test for ratio-formatted hypotheses and the corresponding confidence interval are provided assuming homogeneous or heterogeneous group variances.
How to cite:
Frank Schaarschmidt (2006). mratios: Ratios of Coefficients in the General Linear Model. R package version 1.4.4, https://cran.r-project.org/web/packages/mratios. Accessed 26 Aug. 2026.
Previous versions and publish date:
(2026-07-09 06:32), 1.0 (2006-07-10 08:29), 1.2.1 (2006-12-21 13:07), 1.2.3 (2007-04-05 21:02), 1.2.4 (2007-08-25 18:49), 1.2 (2006-10-20 18:41), 1.3.2 (2008-01-25 21:47), 1.3.3 (2008-01-29 20:29), 1.3.5 (2008-03-25 11:26), 1.3.7 (2008-04-14 08:43), 1.3.8 (2008-06-10 11:39), 1.3.9 (2008-10-22 19:18), 1.3.10 (2009-04-03 11:43), 1.3.11 (2009-10-14 15:13), 1.3.13 (2010-08-16 15:46), 1.3.14 (2010-10-23 09:44), 1.3.15 (2011-03-24 17:56), 1.3.16 (2011-07-06 20:56), 1.3.17 (2012-11-02 14:35), 1.4.0 (2018-05-23 17:51), 1.4.2 (2020-06-19 10:50)
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