ExpDes (version 1.2.0)

bartlett: Test for Homogeneity of Variances: Bartlett

Description

Performs the test for homogeneity of variances of Bartlett (1937).

Usage

bartlett(trat, resp, t, r)

Arguments

trat

Numeric or complex vector containing the treatments.

resp

Numeric or complex vector containing the response variable.

t

Number of treatments.

r

Numeric or complex vector containing the number of replications of each treatment.

Value

Returns the p-value of Bartlett's test of homogeneity of variances and its practical interpretation for 5% of significance.

References

BARTLETT, M. S. Properties of sufficiency and statistical tests. Proceedings of the Royal Statistical Society - Serie A, 60:268-282, 1937.

NOGUEIRA, D, P.; PEREIRA, G, M. Desempenho de testes para homogeneidade de vari<e2>ncias em delineamentos inteiramente casualizados. Sigmae, Alfenas, v.2, n.1, p. 7-22. 2013.

See Also

See also: levene, layard, oneillmathews, samiuddin

Examples

# NOT RUN {
data(ex1)
attach(ex1)
crd(trat, ig, quali = FALSE, hvar='bartlett')
# }