Generalised linear model: Point on fitted line

Hi all,

My code: GLM=glm(Probability ~ Patchsize * Area, family=binomial, data=Data)

I have plotted this using ggplot2, with two fitted lines for Area. Solid line representing one area and dotted line representing another area.

image

I want to determine the probability of encountering invertebrates at a certain point on the fitted lines, as well as the CI.

For example, at a patch size of 768 cm2 what is the probability of encountering invertebrates in each area?

Please help?

This topic was automatically closed 21 days after the last reply. New replies are no longer allowed.