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st: Re: Sidak Correction


From   Søren Nielsen <sn04@nielsen.tdcadsl.dk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Re: Sidak Correction
Date   Sun, 9 Oct 2005 00:00:23 +0200

Sokal & Rohlf, Biometry, 2.ed, San Francisco, Freeman and Company1981 -
Statistical Tables Rohlf & Sokal, 2.ed, same publisher - Table 15, page 101
is called Critical values of the chi-squaer distribution based on Sidák's
multiplicative inequality - this might be what you are looking for - the
ffurnished 'unusual' percentage points alfa´= 1 - (1 - alfa)1/k where alfa
is the experimentwise error rate and k is the number of comparisons
intended. This table is employed for unplanned multiple comparisons test for
the homogeneity of replicates in replicated tests of goodness of fit - see
Section 17.3 of Textbook.

I hope that this help a bit

Søren Nielsen
----- Original Message ----- 
From: <bta78@mail.eco.utexas.edu>
To: <statalist@hsphsun2.harvard.edu>
Sent: Saturday, October 08, 2005 6:35 PM
Subject: st: Sidak Correction


> Hi all you statalist-eners out there,
> Can anyone explain to me the sidak correction to correlate?  What is it
and what
> is it used for? I've tried searching the internet for it, but nothing has
really
> told me why someone would use it.
>
> Thanks in advance for any help!
> Ben
>
>
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>


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