| layard {ExpDes} | R Documentation |
Test for homogeneity of variances of Layard
Description
layard Performs the test for homogeneity of variances
of Layard for Jackknife (1973).
Usage
layard(trat, resp, t, r)
Arguments
trat |
Numeric or complex vector containing 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 the Layard test of homogeneity of variances and its practical interpretation for the significance level of 5%.
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
References
LAYARD, M. N. J. Robust large-sample tests for homogeneity of variances. Journal of the American Statistical Association, v.68, n.341, p.195-198, 1973.
NOGUEIRA, D, P.; PEREIRA, G, M. Desempenho de testes para homogeneidade de variancias em delineamentos inteiramente casualizados. Sigmae, Alfenas, v.2, n.1, p. 7-22. 2013.
See Also
bartlett, samiuddin,
levene, oneillmathews.
Examples
data(ex1)
attach(ex1)
crd(trat, ig, quali = FALSE, hvar = "layard")