[proFit-list] tabulating fits with more than one output

Simon Lindhoud simon.lindhoud at wur.nl
Thu Aug 13 04:41:34 CDT 2009


Dear users,

Although I¹ve already asked information on this before, I still haven¹t fond
the solution to my problem. I am using profit to fit a couple of different
data-sets, of which each has their own variables equation/function that
describes that specific set, but the share some variables.
In my profit function I¹ve declared all the variables under inputs (so the
shared variables are a[1] to a[4] and then a[5] to a[10] are the variables
for dataset 1, a[11] to a[16] are the variables for dataset 2, and so on).
Under outputs, I have declared an output for each of the datasets.
the next thing in my function is Begin, and below it first the equations are
listed for the shared parameters and eventually the equations are listed for
each of the outputs (which describes then the fit of the individual
datasets).
I use the multiple-fit procedure, so I link the different outputs to the
corresponding dataset and if I press fit, I get a nice fit for each
individual dataset, and in the results all the values for the variables are
displayed. Works beautifully.
However, when I try to tabulate the fits in order to get the residuals, it
doesn¹t work properly. Apparently it calculates the residuals of the fit
that I have selected in output, as compared to the second column (first is
probably assumed to be the x-value) in the active or front data window. So,
it only happens to work well in the case that the fit I try to tabulate is
to the data in the second column of my data window.

I hope that this is clear, probably there is an easy way around it and I¹m
doing something wrong, but I really have no idea what to do about it.
thanks in advance for your reply,

Simon Lindhoud

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