[R-sig-ME] TukeyHSD after lmer repeated measures

Gavin Simpson gavin.simpson at ucl.ac.uk
Fri Jun 7 21:54:26 CEST 2013


On Thu, 2013-06-06 at 18:02 -0500, Stephen Sefick wrote:
> I fit this model:
> 
> repeated_measure_height <- lmer(HEIGHT~ISO+(TIME|EX_PLANT), data=x)
> 
> I would like to test if the mean levels of ISO are sig diff. from each 
> other (Is the difference greater than of less than 0).
> 
> Thank you for all of the help in advance.
> kindest regards,

Take a look at the multcomp package.

HTH

G

-- 
Gavin Simpson, PhD                          [t] +1 306 337 8863
Adjunct Professor, Department of Biology    [f] +1 306 337 2410
Institute of Environmental Change & Society [e] gavin.simpson at uregina.ca
523 Research and Innovation Centre          [tw] @ucfagls
University of Regina
Regina, SK S4S 0A2, Canada



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