Re: [R] Can't find all levels of categorical predictors in output of zeroinfl()

Thank you Achim and Petr for your quick replies. My apologies, but I'm quite new to statistical modeling (and the language surrounding it) as well. I'm not sure exactly what was meant by "making the model identifiable" but I think I understand the purpose... Yes, I think this means that the fa

[R] Can't find all levels of categorical predictors in output of zeroinfl()

Hello, I’m using zero-inflated Poisson regression via the zeroinfl() function to analyze data on seed-set of plants, but for some reason, I don’t seem to be getting the output for all three levels of my two categorical predictors. More about my data and model: My response variable is the number o