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Re: column standardizing by groups?

To: jmp-l@lists.biostat.wustl.edu
Subject: Re: column standardizing by groups?
From: Michael Bailey <jm-bailey@northwestern.edu>
Date: Wed, 28 Dec 2005 19:36:11 -0600
In-reply-to: <BCC95CE9-74D5-46FA-8E2E-BD7E9B196EA8@cox.net>
References: <20051228224640.22000.qmail@web30806.mail.mud.yahoo.com> <A1D44C45-505F-48F1-884A-B9023D155225@northwestern.edu> <BCC95CE9-74D5-46FA-8E2E-BD7E9B196EA8@cox.net>

On Dec 28, 2005, at 7:27 PM, Ronald Cross wrote:

Will you provide more detail on what you mean by standardizing a variable separately for men and women?


Sure. Variable X has different means and standard deviations for men and women. I want to create a new variable X1, that is X standardized using the male mean and standard deviation for all male observations, and the female mean and standard deviation for all female observations. I'm attaching a sample jmp file to illustrate. Note that variable X has different distributions for males and females.


 

Attachment: columnstandard.jmp
Description: application/applefile

Attachment: columnstandard.jmp
Description: Binary data



Michael Bailey
jm-bailey@northwestern.edu


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