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Date:         Sun, 25 Sep 2005 12:54:12 +0200
Reply-To:     Marta García-Granero
              <biostatistics@terra.es>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         Marta García-Granero
              <biostatistics@terra.es>
Organization: Asesoría Bioestadística
Subject:      Re: Convert p-value to z-score
In-Reply-To:  <200509231656.j8NGNKKJ022425@malibu.cc.uga.edu>
Content-Type: text/plain; charset=ISO-8859-15

Hi Daniel,

If you have two-tailed p-values:

COMPUTE zscore=IDF.NORMAL(1-pvals/2,0,1).

If you have one tailed p-values:

COMPUTE zscore=IDF.NORMAL(1-pvals,0,1).

(This method doesn't work inside a MATRIX program, BTW).

DC> Does anyone know if SPSS can convert a given p-value into z-score? I search DC> the listserv and found a solution using Microsoft Excel. However, I really DC> prefer to do this in SPSS. Does anybody know how to do this in SPSS?

Regards, Marta mailto:biostatistics@terra.es


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