anscombetukey {ExpDes} | R Documentation |
anscombetukey
Performs the test for homogeneity of
variances of Anscombe and Tukey (1963).
anscombetukey(
resp,
Trat,
Bloco,
glres,
msres,
sstrat,
ssbloco,
residuals,
fitted.values
)
resp |
Numeric or complex vector containing the response variable. |
Trat |
Numeric or complex vector containing the treatments. |
Bloco |
Numeric or complex vector containing the blocks. |
glres |
Residual degrees of freedom. |
msres |
Residual Mean Square. |
sstrat |
Residual Sum of Squares. |
ssbloco |
Sum of Squares for blocks. |
residuals |
Numeric or complex vector containing the residuals. |
fitted.values |
Numeric or complex vector containing the fitted values. |
Returns the p-value of Anscombe and Tukey's test of homogeneity of variances and its practical interpretation for 5% of significance.
Eric B Ferreira, eric.ferreira@unifal-mg.edu.br
Denismar Alves Nogueira
Marcos Costa de Paula
Mateus Pimenta Siqueira Lima
ANSCOMBE, F. J.; TUKEY, J. W. The examination and analysis of residuals. Technometrics, 5:141-160, 1963.
RIBEIRO, R. Proposta e comparacao do desempenho de testes para homogeneidade de variancia de modelos de classificacao one-way e two-way. Iniciacao Cientifica. (Iniciacao Cientifica) - Universidade Federal de Alfenas. 2012.
data(ex2)
attach(ex2)
rbd(trat, provador, aparencia, quali = TRUE, mcomp = "tukey",
hvar='anscombetukey', sigT = 0.05, sigF = 0.05)