Re: [R] Large dataset + randomForest

2007-07-27 Thread Florian Nigsch
get big (I think it would be a matrix of size 151 x 150) > and > is diagonal. > > That might not solve it, but it should help. > > Max > > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Florian Nigsch > Sent: Thurs

Re: [R] Large dataset + randomForest

2007-07-27 Thread Florian Nigsch
. If the computation > is a long script, you might put some 'gc()' statements in the code to > see what section is using the most memory. > > Your problem might have to be broken into parts to run. > > On 7/27/07, Florian Nigsch <[EMAIL PROTECTED]> wrote:

[R] Large dataset + randomForest

2007-07-26 Thread Florian Nigsch
ments --min-vsize --max-vsize - what do these have to be set to to work in my case?? > rf <- randomForest(V1 ~ ., data=df[trainindices,], do.trace=5) Error: cannot allocate vector of size 313.0 Mb > object.size(df)/1024/1024 [1] 129.5390 Any help would be greatly appreciated, Flori

[R] Polygon-like interactive selection of plotted points

2006-04-26 Thread Florian Nigsch
[Please CC me for all replies, since I am not currently subscribed to the list.] Hi all, I have the following problem/question: Imagine you have a two- dimensional plot, and you want to select a number of points, around which you could draw a polygon. The points of the polygon are defined