Re: [Gnuplot-info] fit-error for acsplines fit

[Thomas S. <t.s...@fz...>]

'set table'
and then plot again


lynx.abraxas wrote:
> 
> On 11/10/09 23:04:50, Hans-Bernhard Bröker wrote:
>> lyn...@fr... 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
> 
> 
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