Ellis Golub wrote:
>> Any spreadsheet program (Excel, Quattro, Lotus) will do this. For nicer
> graphs use SigmaPlot or GraphPad. Both offer non-linear as well as linear
> regression analysis.
>> As mentioned by another respondent, SPlus will do it too, but is probably
> overkill for this application.
>I agree (it was me who suggested this). I did not express myself
clearly, but my intention was to say that *any* decent program will do,
and you probably have one already and so you do not need to get anything
new. I just took the one closest to my fingers, and I could not force
myself to say that you can probably use even Ex*l.
J.Oksanen -- UHLA (University of Helsinki at Lahti)