This site uses different types of cookies, including analytics and functional cookies (its own and from other sites). To change your cookie settings or find out more, click here. If you continue browsing our website, you accept these cookies.
Importance gives the Node Purity but MSE is more accurate and I would prefer to output this instead. Only, I can't find a reliable way to call %IncMSE from the R tool. Does anyone know how to extract this, and more generally is there a place with comprehensive documentation of these? The 'Tool Mastery' pages are not detailed enough!
As a side note, It seems bizarre that the tools would output PNG of the data in the Reports but have a not have a formatted, tabular output as well. It would certainly save me some time. Is this in the pipeline?
After looking through the documentation for randomForest and the stackexchange posts I am still unable to extract the values. Your sources explicitly say that IncMSE and IncNodePurity are both returned when calling rf$importance or importance(rf), but Alteryx using the R tool only returns IncNodePurity. It's almost as if Alteryx is using a non-standard randomForest package?
For the record the output says I'm using randomForest 4.6-14