Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares

Detalhes bibliográficos
Autor(a) principal: de Toledo, José Francisco Ferraz
Data de Publicação: 1991
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/3436
Resumo: Estimating genetic parameters of important traits is a routine in most breeding programs. Estimates obtained by the weighted least square proceedings are nonbiased and efficient, but the actual estimating process may be cumbersome and time consuming. The calculations can and should be performed by a computer to improve the speed and the reliability of the whole process. This paper presents a computer program written in Fortran language that performs all the necessary calculations to estimate genetic parameters from means and variances of natural or experimental populations. The results are reliable and precise and the output includes statistics that evaluate the significance levels of the estimated parameters and the goodness-of-fit of the adjusted genetic model.
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spelling Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squaresPrograma de computador para estimar parâmetros genéticos, componentes de médias e variâncias, pelo método dos quadrados mínimos ponderadosgenetic models; additive genetic effect; dominance; heterosis; maximum likelihood estimator; Fortran programmingmodelos genéticos; efeitos genéticos aditivos; dominância; heterose; estimador de máxima verossimilhança; programação FortranEstimating genetic parameters of important traits is a routine in most breeding programs. Estimates obtained by the weighted least square proceedings are nonbiased and efficient, but the actual estimating process may be cumbersome and time consuming. The calculations can and should be performed by a computer to improve the speed and the reliability of the whole process. This paper presents a computer program written in Fortran language that performs all the necessary calculations to estimate genetic parameters from means and variances of natural or experimental populations. The results are reliable and precise and the output includes statistics that evaluate the significance levels of the estimated parameters and the goodness-of-fit of the adjusted genetic model.Nos trabalhos de genética e melhoramento é rotina estimar os componentes genéticos em controle das características de interesse. Os estimadores obtidos pelo método dos quadrados mínimos ponderados são eficientes e não-viesados, embora os cálculos envolvidos sejam demorados e tediosos. A tarefa de cálculo pode e deve ser realizada por computadores para dar confiabilidade e rapidez aos procedimentos. Neste trabalho apresenta-se um programa em linguagem Fortran que realiza todos os cálculos necessários à obtenção das estimativas dos parâmetros genéticos de populações experimentais. Os resultados são confiáveis e precisos e incluem estatísticas que medem a significância dos parâmetros estimados e a qualidade do ajuste do modelo genético encontrado.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária Brasileirade Toledo, José Francisco Ferraz1991-07-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/3436Pesquisa Agropecuaria Brasileira; v.26, n.7, jul. 1991; 1023-1039Pesquisa Agropecuária Brasileira; v.26, n.7, jul. 1991; 1023-10391678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/3436/769info:eu-repo/semantics/openAccess2010-08-19T14:12:02Zoai:ojs.seer.sct.embrapa.br:article/3436Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2010-08-19T14:12:02Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares
Programa de computador para estimar parâmetros genéticos, componentes de médias e variâncias, pelo método dos quadrados mínimos ponderados
title Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares
spellingShingle Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares
de Toledo, José Francisco Ferraz
genetic models; additive genetic effect; dominance; heterosis; maximum likelihood estimator; Fortran programming
modelos genéticos; efeitos genéticos aditivos; dominância; heterose; estimador de máxima verossimilhança; programação Fortran
title_short Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares
title_full Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares
title_fullStr Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares
title_full_unstemmed Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares
title_sort Computer program to estimate genetic parameters from means and variances of experimental populations by the method of weighted least squares
author de Toledo, José Francisco Ferraz
author_facet de Toledo, José Francisco Ferraz
author_role author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv de Toledo, José Francisco Ferraz
dc.subject.por.fl_str_mv genetic models; additive genetic effect; dominance; heterosis; maximum likelihood estimator; Fortran programming
modelos genéticos; efeitos genéticos aditivos; dominância; heterose; estimador de máxima verossimilhança; programação Fortran
topic genetic models; additive genetic effect; dominance; heterosis; maximum likelihood estimator; Fortran programming
modelos genéticos; efeitos genéticos aditivos; dominância; heterose; estimador de máxima verossimilhança; programação Fortran
description Estimating genetic parameters of important traits is a routine in most breeding programs. Estimates obtained by the weighted least square proceedings are nonbiased and efficient, but the actual estimating process may be cumbersome and time consuming. The calculations can and should be performed by a computer to improve the speed and the reliability of the whole process. This paper presents a computer program written in Fortran language that performs all the necessary calculations to estimate genetic parameters from means and variances of natural or experimental populations. The results are reliable and precise and the output includes statistics that evaluate the significance levels of the estimated parameters and the goodness-of-fit of the adjusted genetic model.
publishDate 1991
dc.date.none.fl_str_mv 1991-07-01
dc.type.none.fl_str_mv
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/3436
url https://seer.sct.embrapa.br/index.php/pab/article/view/3436
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/3436/769
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.26, n.7, jul. 1991; 1023-1039
Pesquisa Agropecuária Brasileira; v.26, n.7, jul. 1991; 1023-1039
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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