Re: [R] Res: Using the zero-inflated binomial in experimental designs

2010-05-19 Thread Ivan Allaman
Hi Ben! Following his recommendations I did the following: 1st step: I compared the best model for binomial and binomial inflates. 1.1 Best model for Binomial. dg$resp.mumi - cbind(dg$MUMI,dg$NT - dg$MUMI) dg names(dg) mod.mumi.binomial - glm(resp.mumi ~ factor(PARTO)*REG, family=binomial,

[R] Res: Using the zero-inflated binomial in experimental designs

2010-05-18 Thread Ivan Allaman
Hi Ben! First I thank you for your attention. Unfortunately, the ANOVA does not work with vglm. In another email, Rafael warned me that actually a lot of zeros does not necessarily imply a distribution of zeros binomail inflated. So how could I test if my variable is or not a binomial zero

Re: [R] Res: Using the zero-inflated binomial in experimental designs

2010-05-18 Thread Ben Bolker
Ivan Allaman ivanalaman at yahoo.com.br writes: Hi Ben! First I thank you for your attention. Unfortunately, the ANOVA does not work with vglm. In another email, Rafael warned me that actually a lot of zeros does not necessarily imply a distribution of zeros binomail inflated. So how