2006
DOI: 10.1590/s1413-70542006000200007
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Emprego do modelo superparametrizado em experiemento fatorial desbalanceado com dois fatores

Abstract: RESUMONa pesquisa agropecuária é comum o estudo de vários fatores e freqüentemente ocorrem perdas de observações, constituindo assim um experimento desbalanceado. É necessário conhecer as hipóteses testadas através dos sistemas estatísticos e ocorrendo caselas vazias a interpretação é ainda mais complexa, pois geralmente, as hipóteses sobre os efeitos principais de um dos fatores contêm os efeitos principais de outros fatores e os efeitos de interações. Adotando o modelo superparametrizado, com este trabalho, … Show more

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“…The analysis of variances was performed via mixed models, assuming the "blocks" factor as random, using the PROC MIXED routine of the SAS 9.4 ® software. Each analysis of variance was performed in two moments (Yassin et al, 2002): joint analysis and analysis of factorial structure. In the joint analysis, the source of variation "Treatments" was unfolded in the orthogonal contrast "Net coverage vs Factorial structure", aiming to separate the additional treatment (Net coverage) from the factorial structure.…”
Section: Methodsmentioning
confidence: 99%
“…The analysis of variances was performed via mixed models, assuming the "blocks" factor as random, using the PROC MIXED routine of the SAS 9.4 ® software. Each analysis of variance was performed in two moments (Yassin et al, 2002): joint analysis and analysis of factorial structure. In the joint analysis, the source of variation "Treatments" was unfolded in the orthogonal contrast "Net coverage vs Factorial structure", aiming to separate the additional treatment (Net coverage) from the factorial structure.…”
Section: Methodsmentioning
confidence: 99%