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Thanks! I'd seen this sort of trick mentioned in places, but didn't twig what it did. This is exactly what I was looking for. James On 19/4/11 7:04 AM, Greg Snow wrote: > tmp1<- par('usr...

I'm sure this must be trivial, but I'm a novice with R and can't work out how to handle the axes when I am constructing multiple plots on a page and try to return to a previous...

On 6/2/12 19:36 , peter dalgaard wrote: > Actually, I think the issue is slightly different: IDL assumes that > the errors _are_ something (notice that setting measure_errors to 1 > is not equvalent to omitting them), R assumes that...

I am trying to use lm for a simple linear fit with weights. The results I get from IDL (which I am more familiar with) seem correct and intuitive, but the "lm" function in R gives outputs that seem strange...

Thanks for all the replies. Yes, I agree that calculating all the data first is a simple solution which also has the benefit of making the axis choice easier to get right, but on the downside it requires storing an...