Cited by 2,094Genetic and phenotypic traits in livestockGenetic Mapping and Diversity in Plants and AnimalsGenetics and Plant Breeding

Ridge Regression and Other Kernels for Genomic Selection with R Package rrBLUP

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Endelman, Jeffrey B.·2011·The Plant Genome

Abstract

Many important traits in plant breeding are polygenic and therefore recalcitrant to traditional marker-assisted selection. Genomic selection addresses this complexity by including all markers in the prediction model. A key method for the genomic prediction of breeding values is ridge regression (RR), which is equivalent to best linear unbiased prediction (BLUP) when the genetic covariance between lines is proportional to their similarity in genotype space. This additive model can be broadened to include epistatic effects by using other kernels, such as the Gaussian, which represent inner products in a complex feature space. To facilitate the use of RR and nonadditive kernels in plant breeding, a new software package for R called rrBLUP has been developed. At its core is a fast maximum-likelihood algorithm for mixed models with a single variance component besides the residual error, which allows for efficient prediction with unreplicated training data. Use of the rrBLUP software is demonstrated through several examples, including the identification of optimal crosses based on superior progeny value. In cross-validation tests, the prediction accuracy with nonadditive kernels was significantly higher than RR for wheat (Triticum aestivum L.) grain yield but equivalent for several maize (Zea mays L.) traits.

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Crossref · 10.3835/plantgenome2011.08.0024

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  • Endelman (2011) developed the R-package rrBLUP that allows convenient restricted maximum likelihood estimation of the bandwidth, but only in the context of linear mixed models with a single genetic variance component, i.e., no genotype by environment or genotype by environment by management interaction models.

    “Endelman (2011) developed the R -package rrBLUP that allows convenient restricted maximum likelihood (REML) estimation of the bandwidth, but only in the context of LMMs with a single genetic variance component, i.e., no G × E or G × E × M interaction models.”

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Research works printed but not linked: 2

  1. Bernardo, R. 2010. Quantitative traits in plant breeding. Stemma Press, Woodbury, MN.
  2. Searle, S.R., G. Casella, and C.E. McCulloch. 2006. Variance components. John Wiley & Sons, Hoboken, NJ.

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Authors
Endelman, J. B.
Affiliations
Washington State University (US)
Corresponding author
Endelman, Jeffrey B.
Venue
The Plant Genome
Publisher
Wiley
Published
2011-11
Volume
4
Issue
3
Pages
250-255
ISSN
1940-3372 (ISSN-L)
OpenAlex
W2064013109
Cited by
2,094
References
29
Citations by year
2026: 198 · 2025: 202 · 2024: 204 · 2023: 206 · 2022: 226 · 2021: 234 · 2020: 204 · 2019: 144 · 2018: 110 · 2017: 112 · 2016: 99 · 2015: 82 · 2014: 36 · 2013: 23 · 2012: 9
FWCI
14.37
Type
journal article
Language
en
Open access
Locations
  • The Plant Genome (publishedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Genetics and Plant Breeding
Keywords
genomic selection, ridge regression, BLUP, Gaussian kernel, breeding value estimation, plant breeding, wheat grain yield, cross-validation

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