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Re: st: eliminate oppositie positive and negative values
From
Ron�n Conroy <[email protected]>
To
[email protected]
Subject
Re: st: eliminate oppositie positive and negative values
Date
Thu, 29 Mar 2007 10:11:36 +0100
On 29 M�rta 2007, at 02:41, sara borelli wrote:
doesn't that mean that the charges for a given date should sum to zero?I need to drop the negatives and the positives with
the same date abs(charge) abs(xm) proc personid. As
suggested by Michael Blasnik in a previous e-mail I
runned the following:
If that's the case then can't you just sum the charges within each
person within each date and check if they are zero?
=========
Ron�n Conroy
Royal College of Surgeons in Ireland
[email protected]
+353 (0) 1 402 2431
+353 (0) 87 799 97 95
http://www.flickr.com/photos/ronanconroy
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