search for: matingattempts

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2010 Jun 09
1
dealing with heteroscedasticity in lmer: problem with the method weights
Dear lmer users, The experiment includes 15 groups of (3 males and 1 female). The female is characterized by its quality Q1 and Q2. Each male of a group is characterized by the number of MatingAttempts (with Poisson distribution). I want to examine if male mating attempts depend on female quality. I can see from graphic exploration that the within-group heterogeneity of male attempts increases with female quality Q1. When including the method weights in the function lmer, I get the message th...