[R] loess crash

[John Deke]

Hi,

I have a data frame with 6563 observations. I can run a regression with 
loess using four explanatory variables. If I add a fifth, R crashes. There 
are no missings in the data, and if I run a regression with any four of the 
five explanatory variables, it works. Its only when I go from four to five 
that it crashes.

This leads me to believe that it is not an obvious problem with the data, 
but rather a resource problem. But I've set the max memory option for R to 
512 M, so I wouldn't think that I'd be running out of RAM.

Is there some other memory option I need to set? Is there some limit on the 
size of problems that loess can handle regardless of system resources?

I'm running Windows 2000 and R 1.5.1. I've also run this with R 1.3. I've 
tried it on a Pentium IV and an Athlon.

If anybody knows of a solution to this problem, I would greatly appreciate it.

Thanks,

John

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