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Date:         Thu, 14 May 2009 16:49:31 +0200
Reply-To:     Marta García-Granero <>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Marta García-Granero <>
Subject:      Re: empty variable
In-Reply-To:  <>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Gyorgy Bea wrote: > Is there any possibility to check wether a variable is empty through > all cases? I want to detect those variables, that are totally empty, > have no cases. >

What do you plan to do later with those variables? If you just want to know if there are empty variables, use a simple procedure like DESCRIPTIVES. The empty variables will have N=0. If you want to locate them to get rid of them, then you will need something more complex, like a macro.

Locating them is easy:


You will get a list of every variable in your dataset, sorted by name, with their valid N. This is a good starting point for a macro that uses OMS to capture the list, select those variables with n=0 and then drop them from the dataset. Ask the list for help if you want to go that way and don't know how.

HTH, Marta García-Granero

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