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Note on fitted rate vs. run group

To: Steven Clayton <smclayto@npl.uiuc.edu>
Subject: Note on fitted rate vs. run group
From: Tom Banks <tbanks@socrates.berkeley.edu>
Date: Wed, 1 Nov 2006 10:10:51 -0800 (PST)
Cc: Peter Kammel <kammel@npl.uiuc.edu>
In-reply-to: <20061026042850.GA25748@npl.uiuc.edu>
References: <Pine.LNX.4.21.0610232341430.6945-100000@zero.npl.uiuc.edu><453E2E41.70701@psi.ch> <Pine.SOL.4.56.0610241222470.9407@socrates.Berkeley.EDU><Pine.SOL.4.56.0610251825080.21674@socrates.Berkeley.EDU><20061026042850.GA25748@npl.uiuc.edu>


Hey guys,

just wanted to follow up on a passing topic from yesterday's
teleconference: Steve was indeed correct that the reason I was seeing a
poor chi2 from a pol0 fit to my *own* run grouping was poor statistics in
a few of the groups.  Overnight I performed a more "intelligent" run
grouping based on statistics, and now the chi2 is great.  I have posted
the results from fits to Steve's grouping and my own grouping on my
10/31/06 worklog page if you are interested.

Tom

References:
- dolphin
  - From: Claude Petitjean <claude.petitjean@psi.ch>
- ppmu correction: first moment vs. exponential best-fit
  - From: Tom Banks <tbanks@socrates.berkeley.edu>
- Additional ppmu correction concerns
  - From: Tom Banks <tbanks@socrates.berkeley.edu>
- Re: Additional ppmu correction concerns
  - From: Steven Clayton <smclayto@npl.uiuc.edu>

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