I'm using the partial plot function in the Random Forest package
(randomForest).
I want to be able to control the region of values it chooses for the x.var
variable (instead of going from 0 to 100000, I want to go from 0 to 1000).
The problem I'm having is that it seems the only method to do that is to
change xlim. I could use xlim and n.pt, like:
partialPlot(rf,x.var="myvar",pred.data=rfdata,xlim=c(0,1000),n.pt=1000000)
The problem with using xlim, however, is that it only seems to change the
x-axis after doing the calculations. In order to get any meaningful graph
of the data for such a small portion of the entire x.var region, I'd have
to increase the density of points plotted by a lot (n.pt).
Because partial plot is an intensive/slow process, this isn't really a
viable solution (takes minutes to create a partial plot already).
Any suggestion? (besides using plotmo)
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