[Ifeffit] Residual

[TAO,Ye]

Matt,

sorry to reply so late due to our exp in SSRL.

Residual plotting didn't works for me yet, although I'm sure the path was defined and the fit done. I attached a apj file for your comment.

Best,

Ye
----- Original Message ----- 
From: "Matt Newville" <newville at cars.uchicago.edu>
To: "XAFS Analysis using Ifeffit" <ifeffit at millenia.cars.aps.anl.gov>
Sent: Tuesday, March 01, 2005 10:59 AM
Subject: Re: [Ifeffit] Residual


> Dear Ye,
> 
> On Mon, 28 Feb 2005 yetao at chem.uga.edu wrote:
> 
> > Is there anyone who can tell me how to view the residual in
> > Artemis? Every time I checked the residual, only got the data
> > curve.
> 
> Plotting the residual in Artemis works for me. Just for
> completeness, first you have toset up a model and then hit the
> Fit button to run the fit and get a residual. The Data set 
> should then have a Tree that looks like this: 
> (sorry for the bad ASCII art)
> 
> .. [-] data group
> ..     |- Fit
> ..     |- Residual
> ..    [-] Feff 0
> ..        |- feff0001.dat
> 
> You can then highlight which of these you want to plot (the
> default is to show highlighted choices in orange).  You can use
> Ctrl-click to select more than one of these (to plot data and
> Fit and Residual, for example).  Then hit one of the Plot
> buttons below to show what is highlighted.
> 
> Is that not working for you?  If the residual looks just like 
> the data, maybe that's because the Fit = 0 for all k,R???
> That  might mean that no fit was done, no paths were defined, 
> or that the amplitudes ended up being zero....
> 
> Hope that helps. If not, let us know,
> 
> --Matt
> 
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