[R] Planned comparisons among means with WRS package

Hello, I have done a robust two-way ANOVA with the WRS (Wilcox's Robust Statistics) package. I was also interested in doing a planned comparison among means, but my knowledge of statistics is quite limited, and I don't know if a "robust version" for a planned comparison of means exists. If it exis

[R] GLM quasipoisson error

Hello, I'm having an error when trying to fit the next GLM: >>model<-glm(response ~ CLONE_M + CLONE_F + HATCHING +(CLONE_M*CLONE_F) + (CLONE_M*HATCHING) + (CLONE_F*HATCHING) + (CLONE_M*CLONE_F*HATCHING), family=quasipoisson) >> anova(model, test="Chi") >Error in if (dispersion == 1) Inf else obj