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selection.index  

Analysis of Selection Index in Plant Breeding
View on CRAN: Click here


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

Install from Github:
library("remotes")
install_github("cran/selection.index")

Install by package version:
library("remotes")
install_version("selection.index", "1.2.0")



Attach the package and use:
library("selection.index")
Maintained by
Zankrut Goyani
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2021-04-06
Latest Update: 2023-09-19
Description:
The aim of most plant breeding programmes is simultaneous improvement of several characters. An objective method involving simultaneous selection for several attributes then becomes necessary. It has been recognised that most rapid improvements in the economic value is expected from selection applied simultaneously to all the characters which determine the economic value of a plant, and appropriate assigned weights to each character according to their economic importance, heritability and correlations between characters. So the selection for economic value is a complex matter. If the component characters are combined together into an index in such a way that when selection is applied to the index, as if index is the character to be improved, most rapid improvement of economic value is expected. Such an index was first proposed by Smith (1937 ) based on the Fisher's (1936 ) "discriminant function" Dabholkar (1999 ). In this package selection index is calculated based on the Smith (1937) selection index method.
How to cite:
Zankrut Goyani (2021). selection.index: Analysis of Selection Index in Plant Breeding. R package version 1.2.0, https://cran.r-project.org/web/packages/selection.index
Previous versions and publish date:
1.0.0 (2021-04-06 10:00), 1.1.0 (2021-04-23 18:10), 1.1.1 (2021-06-03 09:40), 1.1.2 (2021-07-26 14:00), 1.1.3 (2021-09-25 18:20), 1.1.4 (2022-06-14 00:00)
Other packages that cited selection.index R package
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Other R packages that selection.index depends, imports, suggests or enhances
Functions, R codes and Examples using the selection.index R package
Some associated functions: comb.indices . gen.advance . gen.varcov . meanPerformance . phen.varcov . rcomb.indices . seldata . weight.mat . weight . 
Some associated R codes: comb.indices.R . gen.advance.R . gen.varcov.R . meanPerformance.R . phen.varcov.R . rcomb.indices.R . seldata.R . weight.R . weight.mat.R .  Full selection.index package functions and examples
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