Re: [R] RandomForest, Party and Memory Management

2013-02-04 Thread Lorenzo Isella
Dear Dennis and dear All, It was probably not my best post. I am running R on a Debian box (amd64 architecture) and that is why I was surprised to see memory issues when dealing with a vector larger than 1Gb. The memory is there, but probably it is not contiguous. I will investigate into the matter

Re: [R] RandomForest, Party and Memory Management

2013-02-04 Thread Prof Brian Ripley
On Sun, 3 Feb 2013, Lorenzo Isella wrote: Dear All, For a data mining project, I am relying heavily on the RandomForest and Party packages. Due to the large size of the data set, I have often memory problems (in particular with the Party package; RandomForest seems to use less memory). I real

Re: [R] RandomForest, Party and Memory Management

2013-02-03 Thread Jeff Newmiller
Neither of your questions meets the Posting Guidelines (see footer of any email). 1) Not reproducible. [1] 2) Very operating-system specific and a FAQ. You have not indicated what your OS is (via sessionInfo), nor what reading you have done to address memory problems already (use a search engine

[R] RandomForest, Party and Memory Management

2013-02-03 Thread Lorenzo Isella
Dear All, For a data mining project, I am relying heavily on the RandomForest and Party packages. Due to the large size of the data set, I have often memory problems (in particular with the Party package; RandomForest seems to use less memory). I really have two questions at this point 1) Pl