car (version 1.2-1)

levene.test: Levene's Test

Description

Computes Levene's test for homeogeneity of variance across groups.

Usage

levene.test(y, group)

Arguments

y
response variable.
group
factor defining groups.

Value

  • returns an object meant to be printed showing the results of the test.

References

Fox, J. (1997) Applied Regression, Linear Models, and Related Methods. Sage.

Examples

Run this code
attach(Moore)
levene.test(conformity, fcategory)
## Levene's Test for Homogeneity of Variance
##       Df F value Pr(>F)
## group  2   0.046 0.9551
##       42  

levene.test(conformity, interaction(fcategory, partner.status))
## Levene's Test for Homogeneity of Variance
##       Df F value Pr(>F)
## group  5  1.4694 0.2219
##       39

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