ammistability: Additive Main Effects and Multiplicative Interaction Model Stability Parameters
Computes various stability parameters from Additive Main Effects and Multiplicative Interaction (AMMI) analysis results such as Modified AMMI Stability Value (MASV), Sums of the Absolute Value of the Interaction Principal Component Scores (SIPC), Sum Across Environments of Genotype-Environment Interaction Modelled by AMMI (AMGE), Sum Across Environments of Absolute Value of Genotype-Environment Interaction Modelled by AMMI (AV_(AMGE)), AMMI Stability Index (ASI), Modified ASI (MASI), AMMI Based Stability Parameter (ASTAB), Annicchiarico’s D Parameter (DA), Zhang’s D Parameter (DZ), Averages of the Squared Eigenvector Values (EV), Stability Measure Based on Fitted AMMI Model (FA), Absolute Value of the Relative Contribution of IPCs to the Interaction (Za). Further calculates the Simultaneous Selection Index for Yield and Stability from the computed stability parameters. See the vignette for complete list of citations for the methods implemented.
The package can be installed from CRAN as follows:
# Install from CRAN install.packages('ammistability', dependencies=TRUE)
The development version can be installed from github as follows:
# Install development version from Github devtools::install_github("ajaygpb/ammistability")
For a detailed tutorial (vignette) on how to used this package type:
browseVignettes(package = 'ammistability')
The vignette for the latest version is also available online.
To know whats new in this version type:
To cite the methods in the package use:
To cite the R package 'ammistability' in publications use: Ajay, B. C., Aravind, J., and Abdul Fiyaz, R. (2019). ammistability: R package for ranking genotypes based on stability parameters derived from AMMI model. Indian Journal of Genetics and Plant Breeding (The), 79(2), 460-466. doi:10.31742/IJGPB.79.2.10 Ajay, B. C., Aravind, J., and Abdul Fiyaz, R. (NA). ammistability: Additive Main Effects and Multiplicative Interaction Model Stability Parameters. R package version 0.1.1.9000, https://ajaygpb.github.io/ammistability/, https://CRAN.R-project.org/package=ammistability. This free and open-source software implements academic research by the authors and co-workers. If you use it, please support the project by citing the package. To see these entries in BibTeX format, use 'print(<citation>, bibtex=TRUE)', 'toBibtex(.)', or set 'options(citation.bibtex.max=999)'.
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