levene.test {s20x} | R Documentation |
Levene test for the ANOVA Assumption
Description
Perform a Levene test for equal group variances in both one-way and two-way ANOVA. A table with the results is displayed.
Usage
levene.test(formula, digit = 5)
Arguments
formula |
a symbolic description of the model to be fit: response ~ fac1 + fac2. |
digit |
the number of decimal places to display. |
Value
Df |
degrees of freedom. |
Sum of Sq |
sum squares. |
Mean Sq |
mean squares. |
F value |
F-statistic value. |
Pr(F) |
P-value. |
See Also
"interaction.20x", "anova".
Examples
##
data(computer)
attach(computer)
levene.test(score ~ factor(selfassess))
detach(computer)
[Package
s20x version 2.0.1
Index]