(Im not sure if i already posted this problem)
I have grouped data and i used a Trellis plot to show the curve of a fitted model for each group. Additionally i have a vector whose values are the highest points the curve can reach (the curve rises exponetially). Each value of the vector is the corresponding highest point for each group/plot. Now i want to show this highest point by adding to each plot a horizontal line. Obviously i should use panel.abline or something equal. How can i tell R that each value of this vector corresponds to the different plots in the Trellis plot?
Thanks a lot for answers
Dassy
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