[Cuga] **Today** Pizza Seminar Series - Wednesday, May 23, 2012 - A Message from Hari Areti

[Jodi Patient]

	     Thank you to all of those who RSVP'd.     See you at noon today.

	

	

	

>    Jefferson Lab's Graduate Student and Post-Doc Association Wiki: 
> https://gspda.jlab.org/wiki/index.php/Main_Page
>            Please RSVP to: patient at jlab.org by COB on May 21, 2012.
>>
>>> Wednesday, May 23, 2012
>>> ****CC F113****
>>> 12:00-1:00pm
>>>
>>> *Regression in the 20th Century***
>>>
>>>
>>> *Jay Benesch***
>>> Jefferson Lab
>>>
>>>
>>> *Abstract**:*
>>> Pearson's chi-squared test was published in 1900.  It is the test 
>>> for the null hypothesis under the assumption of normality I most 
>>> often see in the physics literature.  There has been much 
>>> development in statistics since 1900.  In the context of my work 
>>> modeling cavity fault rates to derive the models used in lem I will 
>>> discuss some variations on least squares regression, another test 
>>> for normality, one commercial program (JMP) and an open source 
>>> packages, R (http://www.r-project.org)  I will reprise data shown in 
>>> 2010 demonstrating that even controlled cycles to 300K drop usable 
>>> gradient ~0.5 MV/m, demonstrating that all cavities will have to be 
>>> plasma processed in some manner after the long shut down.
>>>
>>
>>
>>

-- 
Lorelei Carlson
User Liaison Office
Jefferson Lab
12000 Jefferson Avenue
Suite 16
Newport News, VA 23606
lcarlson at jlab.org
(757) 269-6388 (office)
(757) 269-6134 (fax)

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