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Dear R users, do you know an easy way (other than star plot) of making several points laying one over another visible? Is it any simple way of increasing such "multipoint" symbols - or shifting their positions randomly to make several points in one place visible? Cheers, sz. -- Szymon Drobniak || Population Ecology Group *Institute of Environmental Sciences, Jagiellonian University ul. Gronostajowa 7, 30-387 Kraków, POLAND *tel.: +48 12 664 52 19 fax: +48 12 664 69 12 www.eko.uj.edu.pl/drobniak [[alternative HTML version deleted]]

...switch to lme or lmer (which are better for mixed models but are at first difficult to understand for students, especially in terms of random interactions)? Sorry for posting the same/similar question again - maybe at least it would clarify the problem for future visitors. Cheers, sz. -- Szymon Drobniak || Population Ecology Group Institute of Environmental Sciences, Jagiellonian University ul. Gronostajowa 7, 30-387 Kraków, POLAND tel.: +48 12 664 51 79 fax: +48 12 664 69 12 www.eko.uj.edu.pl/drobniak [[alternative HTML version deleted]]

Hi, I've been a bit confused by different wyas we specify random effects in lmer and MCMCglmm i just want to clear something. When I want to look for intersexual genetic correlations in the trait, is it equivalent to treat this trait for opposite sexes as separate traits and include the term idh(trait):animal - to treating this as a single trait and fitting idh(sex):animal? Do these two ways