Dear R Group
I am not sure if this is the right forum to raise this query, but i would
rather give it a try and aim for reaching the right person who might be a
part of this group who can help.
I have a query on interpretation of PartialPlot in package randomForest.
In my earlier queries in this regard, I probably did not give sufficient
explanation to elicit the intended details in the explanations being
provided.. Hence I am resending the query with examples and bit more
details.
In a scenario where a set of continuous variables vs a class response is
being modeled by RF, say the iris example..
using the following code, how do I interpret the partial plot that is
generated?
library(randomForest)
data(iris)
set.seed(543)
iris.rf <- randomForest(Species~., iris)
partialPlot(iris.rf, iris, Sepal.Length, "setosa")
How is the y-axis values to be understood?
A straight forward Textual interpretation of the output from the experts
in this area, would help me understand this concept of marginal effect
being plotted for the variable "Sepal.Length" on the which.class=setosa.
Thanks for your help.
Regards
Vijayan Padmanabhan
"What is expressed without proof can be denied without proof" - Euclide.
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