Re: st: Bonferroni-holm

["Lachenbruch, Peter" <Peter.Lachenbruch@oregonstate.edu>]

Read the literature on multiple comparisons!  Books have been available for over 20 years

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Tony Lachenbruch

On Aug 19, 2012, at 6:39 AM, "Sadjad Riahi" <sadjad.riahi@gmail.com> wrote:

> dear statalist,
> I have found In a paper with the similar methodology with ours that
> for correction of multiple comparisons, authors have applied
> bonferroni-holm correction. To explain the analysis in short, they
> have several dependent variable (subcorticalgray matter  region
> volumes) and three groups of diagnosis, intracranial volumes,age and
> sex as predictor variables.they have fitted a GLM for each region
> volume as the dependant variable seperately, then F test was preformed
> and subsequently contrast analysis. but for multiple comparison they
> first corrected for the omnibus test and then correction for pairwise
> comparison for each GLM that survived the first round of correction
> was performed. Can you please enlighten me with this correction
> procedure more in detail.
> 
> yours,
> 
> Sadjjad Riahi
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