[SciPy-User] FW: curve fitting by a sum of gaussian with scipy

Stéphanie haaaaaaaa flower_des_iles@hotmail....
Thu Apr 18 08:35:45 CDT 2013


Yes i mean peaks, sorry !
So i take your advice and i obtain the plot attached ! thanks a lot !

Cheers,
Stéphanie

> Date: Thu, 18 Apr 2013 14:37:33 +0200
> From: daniele@grinta.net
> To: scipy-user@scipy.org
> Subject: Re: [SciPy-User] FW: curve fitting by a sum of gaussian with scipy
> 
> On 18/04/2013 14:24, Stéphanie haaaaaaaa wrote:
> > When i plot the data, i have 3 pics : 1 at around 3/4 another one around
> > 20 and a last one around -50. (see attached file, upper graph)
> 
> I assume you mean peaks and not pics.
> 
> > I try cubic spline interpolation, but it does'nt work very well for my
> > data (see attached file 2, red curve).
> 
> I think it does not work very well because you removed data points where
> the protein count is zero from your dataset.  The first thing I would
> try is to complete the dataset with this information before trying the
> spline interpolation.  Stated differently: the interpolation works, but
> it has to "guess" a lot about your data in the region where you do not
> provide data points, and this guess turns out to be wrong.
> 
> Cheers,
> Daniele
> 
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