[SciPy-user] linear (polynomial) fit with error bars

massimo sandal massimo.sandal@unibo...
Tue Apr 8 11:13:04 CDT 2008

Fabrice Silva ha scritto:
> Le mardi 08 avril 2008 à 13:00 +0200, massimo sandal a écrit :
>> Hi,
>> Is there a scipy implementation of linear fit that keeps into account 
>> the existence and width of error bars for each point? I googled but I 
>> can't find that.
> What about computing least squares approximation using weightening
> coefficients inversely proportional to value incertainty (i.e. length of
> each error bars) ?

Yes, that's what I was trying to ask.
But I can't find the function that does it (if it exists).


Massimo Sandal
University of Bologna
Department of Biochemistry "G.Moruzzi"

snail mail:
Via Irnerio 48, 40126 Bologna, Italy


tel: +39-051-2094388
fax: +39-051-2094387
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