search for: 48746_partial_plot_122_538lo

...displayed on one graph) then everything seems to meet at mean(y) and z-score of 0 for all x's. The match is not exact but is close and shows up in all partial dependence plots I've looked at for this particular project. A sample graph of this is here: img213 imagevenue com/img php?image=48746_partial_plot_122_538lo jpg [replace spaces with dots, this bounces otherwise] I am unsure if this means anything or if it's built in (like a SLR going thru the mean of x an y). I should note that for this example I have assumed that the y-axis is not scaled somehow (see first question). Any insight appreciated....