Hi Kurt, Kurt Roeckx wrote: > I was trying to do a power regression in a chart, and the results are > completly wrong. > > It's a gamma curve, so the formula should be in the form of y = x^gamma, and > the result I > have are very close to a gamma curve. But the regression curve it's showing > me > doesn't fit at all, and has a power that's clearly wrong. > > Trying to fit it manually, I get a curve in that looks very close. It's a > gamma curve > near 2.3, so I should get something like 1 * x^2.3, but instead I get 0.68 * > x^1.61. > > If I generate the gamma curve myself, so with very small errors, and let it do > the regression on that, I do get the correct result.
Can you please: - tell me some exact steps to do this? I have no clue of power regressions/ gamma curves. - try in 3.0.1? Grüße/Regards, René -- .''`. René Engelhard -- Debian GNU/Linux Developer : :' : http://www.debian.org | http://people.debian.org/~rene/ `. `' [email protected] | GnuPG-Key ID: 248AEB73 `- Fingerprint: 41FA F208 28D4 7CA5 19BB 7AD9 F859 90B0 248A EB73 -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
