Nonparametric forms of the tests are also available. The equality of group variances is evaluated by Levene's test. Levene's test for equal variances. Correlations between variables in each group.
Options are similar to the other designs.
Specify a variable containing the case frequency. A case frequency has the effect of repeating cases. Specify a case weight variable. Records with negative or zero case weight values are excluded from the computations. Case weights can be used to adjust for sampling from populations with unequal variances.