[R] Memory usage decreases drastically after save workspace, quit, restart, load workspace

2006-08-25 Thread Klaus Thul
Dear all, I have the following problem: - I have written a program in R which runs out of physical memory on my MacBook Pro with 1.5 GB RAM - The memory usage is much higher then I would expect from the actual data in my global environment - When I save the workspace, quit R, restart

[R] Problem with stepAIC, invalid second argument

2004-12-26 Thread Klaus Thul
= ~y * z, lower = ~1)) Start: AIC= 23.55 x ~ y + z ... Call: lm(formula = x ~ 1) Coefficients: (Intercept) -0.1972 detach(df) Thanks for any help, Klaus Thul __ R-help@stat.math.ethz.ch mailing list https

[R] Question to NLME, ML vs. REML

2004-09-05 Thread Klaus Thul
-building. I am wondering, why REML is the default setting in NLME and therefore somehow preferred by the authors. What is the main reason to use REML? Maybe I am lacking here statistical knowledge. Any hint, including reference to literature would be very helpful. Best regards, Klaus Thul