oneilldbc {ExpDes}

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

Description

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

Usage

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.

Value

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

Author(s)

Eric B Ferreira, [e-mail] @author Denismar Alves Nogueira @author Marcos Costa de Paula @author Mateus Pimenta Siqueira Lima

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.

Examples

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