Application of multivariate analysis in agricultural experiments using R software / Aplicações de técnicas de análise multivariada em experimentos agropecuários usando o software R

AUTOR(ES)
DATA DE PUBLICAÇÃO

2008

RESUMO

The use of the techniques of multivariate analysis is restricted to large centers of research, the higher companies and the academic environment. These techniques are very inte- resting because of the use of all answers variables simultaneously in theoretical interpretation of the data set, considering the correlations between them. One of the main obstacle to the usage of these techniques is that researchers interested in the quantitative research do not know them. The other di±culty is that most of the software that allow this type of analysis (SAS, MINITAB, BMDP, STATISTICA, S-PLUS, SYSTAT etc.) are not in public domain. Publishing the use of Multivariate techniques can improve the quality of the research, decrease the time spend and the cost, and make easy the interpretation of the structures of the data without cause damage of the information. In this report, were con¯rmed some advantages of the multivariate techniques in a univariate analysis for data of agricultural experiments. The analysis were taken with R software, a open software, "friendly" and free, with many statistical resources available.

ASSUNTO(S)

agropecuária r software. análise multivariada correlation análise de variância multivariate statistical agricultural cluster analysis análise de conglomerados software. multivariate ana- lysis of variance (manova) principal components analysis

ACESSO AO ARTIGO

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