search for: incnodeimpurity

Displaying 1 result from an estimated 1 matches for "incnodeimpurity".

2009 Jun 24
1
Random Forest Variable Importance Interpretation
...onmental/microclimate variables involved in predicting the abundance of a species in different habitats, there are approx 40 variable and between 200 and 500 data points depending on the dataset. I have successfully used the randomForest package to conduct the analysis and looked at the %IncMSE and IncNodeImpurity values given by calling and plotting these out and have looked at the partial dependence plots for the different variables effect of the response but I have been looking though the literature to see how people have previously used this type of analysis and I would like to be able to plot out the ov...