Effect plot glm, starter question

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Hi,

I am quite new in R so sorry for the unclear question. Hope that someone gets it!

So, I am working with generalized linear models (GLM). My model looks like this:

mod<-glm(y~a+b+c+d+e+f+g+h+eb+ea,data=dat,family=quasipoisson)

My next goal is to plot the predictions so that x is variable e and I want plots from each (4) factors of the variable b. I tried something like this

plot(effect(c("e","b"),mod....

graphs looks good except that y values are strange. My y varies between 0-100. Result graphs are like these:

Sieppaa
Sieppaa704×652 33.6 KB

What should I try?

Thanks for your help!

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