oneilldbc function

Test for homogeneity of variances of ONeill and Mathews (RBD)

oneilldbc Performs the test for homogeneity of variances of ONeill and Mathews (2002).

oneilldbc(resp, trat, block)

Arguments

• resp: Numeric or complex vector containing the response variable.
• trat: Numeric or complex vector containing treatments.
• block: Numeric or complex vector containing blocks.

Returns

Returns the p-value of ONeill and Mathews' test of homogeneity of variances and its practical interpretation for significance level of 5%.

Examples

data(ex2)
attach(ex2)
rbd(trat, provador, aparencia, hvar = "oneillmathews")

References

O'NEILL, M. E.; MATHEWS, K. L. Levene tests of homogeneity of variance for general block and treatment designs. Biometrics, 58:216-224, Mar. 2002.

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.

See Also

anscombetukey, han.

Author(s)

Eric B Ferreira, eric.ferreira@unifal-mg.edu.br

@author Denismar Alves Nogueira @author Marcos Costa de Paula @author Mateus Pimenta Siqueira Lima