Re: [Ifeffit] Error bars reported in the curve-fitting analysis in Artemis

2008-12-19 Thread Hiroshi Oji
Dear Bruce,

Thank you very much for telling me useful references!

I have not fully understood yet because of my lack of knowledge of 
statistics, but I could roughly understand how they are estimated in 
Artemis.

Best regards,

Hiroshi.

Bruce Ravel wrote:
> On Wednesday 17 December 2008 09:55:24 pm Hiroshi Oji wrote:
>> Dear all,
>>
>> Could someone tell me how the uncertainities in the fitted variables are
>> estimated in the curve-fitting analysis in Artemis?
>>
>> Thank you very much in advance for your help.
> 
> Hiroshi,
> 
> Here is one explanation from the mailing list:
> http://millenia.cars.aps.anl.gov/pipermail/ifeffit/2002-October/000141.htm
> 
> Matt's followup is also very helpful:
> http://millenia.cars.aps.anl.gov/pipermail/ifeffit/2002-October/000142.html
>  
> Pages 6 through 15 of the talk that I gave at the APS XAFS summer school last 
> August are relevant to the last paragraph from the first link:
> http://xafs.org/Workshops/APS2008?action=AttachFile&do=get&target=Ravel_Advanced.pdf
> 
> Hope that helps,
> B
> 
> 


-- 
=
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 Hiroshi Oji, Dr.
   Industrial Application Division
   Japan Synchrotron Radiation Research Institute (JASRI)
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   Sayo-gun, Hyogo 679-5198
   JAPAN
   E-mail oj...@spring8.co.jp
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Re: [Ifeffit] Error bars reported in the curve-fitting analysis in Artemis

2008-12-18 Thread Bruce Ravel
On Wednesday 17 December 2008 09:55:24 pm Hiroshi Oji wrote:
> Dear all,
>
> Could someone tell me how the uncertainities in the fitted variables are
> estimated in the curve-fitting analysis in Artemis?
>
> Thank you very much in advance for your help.

Hiroshi,

Here is one explanation from the mailing list:
http://millenia.cars.aps.anl.gov/pipermail/ifeffit/2002-October/000141.htm

Matt's followup is also very helpful:
http://millenia.cars.aps.anl.gov/pipermail/ifeffit/2002-October/000142.html
 
Pages 6 through 15 of the talk that I gave at the APS XAFS summer school last 
August are relevant to the last paragraph from the first link:
http://xafs.org/Workshops/APS2008?action=AttachFile&do=get&target=Ravel_Advanced.pdf

Hope that helps,
B


-- 

 Bruce Ravel   bra...@bnl.gov

 National Institute of Standards and Technology
 Synchrotron Methods Group at NSLS --- Beamlines U7A, X24A, X23A2
 Building 535A
 Upton NY, 11973

 My homepage:http://xafs.org/BruceRavel
 EXAFS software: http://cars9.uchicago.edu/~ravel/software/exafs/
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[Ifeffit] Error bars reported in the curve-fitting analysis in Artemis

2008-12-17 Thread Hiroshi Oji
Dear all,

Could someone tell me how the uncertainities in the fitted variables are
estimated in the curve-fitting analysis in Artemis?

Thank you very much in advance for your help.

Hiroshi Oji

-- 
=
 Hiroshi Oji, Dr.
  Industrial Application Division
  Japan Synchrotron Radiation Research Institute (JASRI)
  1-1-1 Kouto, Sayo-cho
  Sayo-gun, Hyogo 679-5198
  JAPAN
  E-mail oj...@spring8.co.jp
=

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