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...ng if anybody else has experienced this. I am having an using rpart on 4000 rows of data with 13 attributes. I can run the same test on 300 rows of the same data with no issue. When I run on 4000 rows, Rgui.exe runs consistently at 50% cpu and the UI hangs.... it will stay like this for at least 4-5hours if I let it run, and never exit or become responsive. here is the code I am using both on the 300 and 4000 size subset : train<-read.csv("input.csv",header=T) y<-train[,18] x<-train[,3:17] library(rpart) fit<-rpart(y~.,x) Is this a known limitation of rpart, am I doing some...

...running windows XP on vmware 5.5.1. I have 3 scsi disk on this server,sda for linux system,sdb for vmware disk,and sdc for other. Resently I found that something wrong with the second disk,the guest os windowsxp copying files from a samba server(another box) to it?s disk,and for some time,maybe 5hours,3or1hours, the kernel said that sdb is offline? then I reboot,everything is ok,no filesystem check. but this problem accours every a few hours when the windowsxp copying a lot of files to it?s disk. I?m not sure if it was the heavy load of the disk made this problem. then I run smartctl to...