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data_long
2023 Oct 31
1
weights vs. offset (negative binomial regression)
...on of a fitted (e.g. Poisson) model, as below.
>
> ? ?cheers
> ? ? Ben Bolker
>
>
> edata <- data.frame(Catch, Effort, xx1, xx2, xx3)
>
> ## graphical exploration
>
> library(ggplot2); theme_set(theme_bw())
> library(tidyr)
> edata_long <- edata |> pivot_longer(names_to="var", cols =-c("Catch",
> "Effort"))
> ggplot(edata_long, aes(value, Catch)) +
> ? ? ?geom_point(alpha = 0.2, aes(size = Effort)) +
> ? ? ?facet_wrap(~var, scale="free_x") +
> ? ?...