I think I have an answer: SPSS uses absolute deviations from the _mean_ in Levene's test. (See calculation in http://www.uvm.edu/~dhowell/gradstat/psych340/Lectures/Anova/anova2.html)
R uses absolute deviations from the _median_ (R help). So the difference. Ravi -- View this message in context: http://n4.nabble.com/Difference-in-Levene-s-test-between-R-and-SPSS-tp1555725p1556003.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.