RE: [R] RandomForest & memory demand

2003-11-25 Thread Liaw, Andy
> From: Christian Schulz > > Hi, > > is it correct that i need ~ 2GB RAM that it's > possible to work with the default setting > ntree=500 and a data.frame with 100.000 rows > and max. 10 columns for training and testing? If you have the test set, and don't need the forest for predicting othe

Re: [R] RandomForest & memory demand

2003-11-25 Thread Torsten Hothorn
> Hi, > > is it correct that i need ~ 2GB RAM that it's > possible to work with the default setting > ntree=500 and a data.frame with 100.000 rows > and max. 10 columns for training and testing? > no. You may parallelize the computations: perform 5 runs of RF with `ntree = 100' (or less) and sav