Hi, I checked my code and found that it was actually a subsequent call to lm.fit() (which only gets called occasionally) where the problem occurred. I found that I was accidentally passing a matrix called PMs instead of the vector PM.
Sorry about that. Thanks, Peter. --- Petr PIKAL <[EMAIL PROTECTED]> wrote: > Hi > > [EMAIL PROTECTED] napsal dne 03.10.2007 > 14:56:19: > > > I am using R.2.4.1 on Windows XP 5.1 (SP 2). > > Upgrade R. Version 2.6.0 is imminent. > > > > > I have the following line in my R code. > > > > Analysis=anova(lm(PM ~ x)) > > > > It works the first 60 or so times it is called but > > then I get the following error message. > > > > Error in lm.fit(x, y, offset = offset, singular.ok > = > > singular.ok, ...) : 0 (non-NA) cases > > Somehow x or PM is without any numbers. > > > > > In order to examine the input, I preceeded the > call > > with the following. > > > > print(PM) > > print(x) > > Check from where you printed it. Maybe you have > these somwhere in your > environment but actual lm is using different ones. > > > > > This gave the following. > > > > [1] 245.0 189.0 249.8 188.0 184.3 230.0 147.0 > 185.3 > > 196.0 142.3 282.0 169.0 > > [13] 231.5 162.0 115.0 168.8 195.0 214.0 173.0 > 111.3 > > 360.0 192.3 305.5 206.0 > > [25] 111.0 247.0 188.0 246.0 252.0 114.0 > > > > [1] 20.00 20.00 20.00 20.00 20.00 10.00 10.00 > 10.00 > > 10.00 10.00 7.50 7.50 > > [13] 7.50 7.50 7.50 5.00 5.00 5.00 5.00 > 5.00 > > 2.50 2.50 2.50 2.50 > > [25] 2.50 1.25 1.25 1.25 1.25 1.25 > > > > I would be most grateful if someone could help > with > > this problem. I do not see why these input > vectors > > would give this error message. > > > > Also, is there a way to make it so the script > keeps > > running if it gets an error like this? > > Maybe ?try. > > You did not reveal much information for anybody to > get you some help. If > you try to construct an artificial example which > anybody can reproduce you > would maybe find what is the problem yourself. > > Regards > Petr > > > > > > Many thanks in advance, > > Peter Lauren. > > > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, > reproducible code. > > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.