hi all,
when calculating regressions with excel, I sometimes use a polynomic
fit. It's easy to display the corresponding function in the graph
window using the TrendLine option. But then I have to read the
coefficients and type them in manually.
Is there a function for directly making a second order fit or getting
access to the coefficients? RGP doesn't work since it makes only
linear regressions.
I want to avoid programming my own viasual basic routines for that
purpose.
Any ideas?
All input is welcome.
Wolfgang
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