Message-ID: <200505181438.j4IEcNqF014690@meitner.gene.com>
Date: 2005-05-18T14:38:23Z
From: Bert Gunter
Subject: standardization
In-Reply-To: <83536658864BC243BE3C06D7E936ABD5027BAA7B@xchg1.statistik.local>
> Robust Statisticians recommendends to standardize using e.g.
> (X - median(X)) / ( MAD(X) / 0.675 )
Make that (X - median(X))/mad(X)
The constant is already in mad()
-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA
"The business of the statistician is to catalyze the scientific learning
process." - George E. P. Box