fit-error for acsplines fit
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fit-error for acsplines fit
by lynx.abraxas
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Hello!
I'm wondering if there is some way to get a kind of fit-error for acsplines. I think this could be helpful to determin a good approximation of the weighting factor. Can gnuplot tell about such an approximation value for acsplines? Thanks for any hints Lynx ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Gnuplot-info mailing list Gnuplot-info@... https://lists.sourceforge.net/lists/listinfo/gnuplot-info |
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Re: fit-error for acsplines fit
by Hans-Bernhard Bröker-2
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lynx.abraxas@... wrote:
> I'm wondering if there is some way to get a kind of fit-error for acsplines. No. Nor would it make much sense to try. An acspline isn't a fit --- its parameters have no meaning to the actual curve, they don't model anything. ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Gnuplot-info mailing list Gnuplot-info@... https://lists.sourceforge.net/lists/listinfo/gnuplot-info |
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Re: fit-error for acsplines fit
by lynx.abraxas
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On 11/10/09 23:04:50, Hans-Bernhard Bröker wrote:
> lynx.abraxas@... wrote: > >> I'm wondering if there is some way to get a kind of fit-error for acsplines. > > No. Nor would it make much sense to try. An acspline isn't a fit --- > its parameters have no meaning to the actual curve, they don't model > anything. Thanks for Your quick answer. If the acspline paramaters have no meaning to the actual curve I wonder if there is a kind of measure that tells how big the average difference between the actual data points to according spots of the acsplines curve is. Basicly taking the y-value of the acspline curve at each data x-value and cumputing the difference to the data y-value. I just don't know how to get the function of the acsplines. Since the computer nows where to plot the curve points it must know the y-values. The ugliest way to get them would be to count the y-pixels in the plot... Is there any better way to do this? Regards, Lynx ------------------------------------------------------------------------------ Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9 - 12, 2009. Register now! http://p.sf.net/sfu/devconference _______________________________________________ Gnuplot-info mailing list Gnuplot-info@... https://lists.sourceforge.net/lists/listinfo/gnuplot-info |
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Re: fit-error for acsplines fit
by Thomas Sefzick
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'set table'
and then plot again
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