Displaying 2 results from an estimated 2 matches for "cyuan".
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yuan
2010 Oct 25
3
question in using nlme and lme4 for unbalanced data
...tr) gld_rm enf_rm
guild_remvl -0.707
enfa_removl -0.707 0.500
gld_rmvl:n_ 0.535 -0.756 -0.756
I really appreciate any suggestion!
Thank you!
--
Chi Yuan
Graduate Student
Department of Ecology and Evolutionary Biology
University of Arizona
Room 106 Bioscience West
lab phone: 520-621-1889
Email:cyuan at email.arizona.edu
Website: http://www.u.arizona.edu/~cyuan/
2009 Dec 17
2
Testing equality of regression model on multiple groups
Hello,
I'm trying to test for the joint equality of coefficients of the same model across different subsets of the data (ie, is it necessary to estimate the same model on these different populations, or can I just estimate the model once on the whole dataset?).
My plan is to use the F-test on the reduced model and the full model. By full model, I mean a specification that mimics my