[R] Levene test of homogeneity of variance

Harold Doran hdoran at nasdc.org
Wed Aug 13 17:26:56 CEST 2003

I believe it is in the Rcmdr package, which requires the car library to be loaded. 

You can also perform an ANOVA using the absolute value of the deviations from each respective group mean, which is what Levene's Test does.

Harold C. Doran
Director of Research and Evaluation
New American Schools
675 N. Washington Street, Suite 220
Alexandria, Virginia 22314

-----Original Message-----
From: Haynes, Maurice (NIH/NICHD) [mailto:haynesm at cfr.nichd.nih.gov]
Sent: Wednesday, August 13, 2003 10:40 AM
To: 'r-help'
Subject: [R] Levene test of homogeneity of variance

Has the Levene test of homogeneity of variance been implemented in any
library in R?


Maurice Haynes
National Institute of Child Health and Human Development
Child and Family Research Section
6705 Rockledge Drive
Bethesda, MD  20892
Voice: 301-496-8180
Fax: 301-496-2766
E-Mail: mh192j at nih.gov

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