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Date:   Mon, 21 Jan 2008 10:57:47 -0800
Reply-To:   Thomas Schmitt <schmitta1573@YAHOO.COM>
Sender:   "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:   Thomas Schmitt <schmitta1573@YAHOO.COM>
Subject:   Re: PROC SQL
Content-Type:   text/plain; charset=utf-8

Hello Group: Thank you Sigurd and Mark for you insightful suggestions. Below is the solution I used. Best, Tom DATA Std_error_data; SET combined_data; PROC SQL; CREATE TABLE Std_error AS SELECT theta_group ,sample_size, sum_theta_new, SUM((theta_new-sum_theta_new)**2) AS sum_theta_new_diff, SQRT(CALCULATED sum_theta_new_diff/(sample_size-1)) AS Std_error FROM (SELECT theta_group ,theta_new, COUNT(*) AS sample_size, SUM(theta_new)/CALCULATED sample_size AS sum_theta_new FROM Std_error_data GROUP BY theta_group) GROUP BY theta_group; QUIT; ----- Original Message ---- From: Sigurd Hermansen <> To: Thomas Schmitt <>; SAS-L@LISTSERV.UGA.EDU Sent: Friday, January 18, 2008 4:56:42 PM Subject: RE: PROC SQL Thomas: I don't see how the SORT operator/function fits into a SQL SELECT clause. A more serious problem, though, appears in the nesting of SUM functions (whether CALCULATED or not). SAS PROC SQL does not allow that. Try moving the inner SUM to an in-line view or sub=query. S From: on behalf of Thomas Schmitt Sent: Fri 1/18/2008 3:07 PM To: SAS-L@LISTSERV.UGA.EDU Subject: PROC SQL Hello Group: Iʼm trying to do a calculation in ROC SQL. The data and code is below. The first column is theta_group and the second column is theta_new. Where I run into a problem is in this line: SUM((theta_new-CALCULATED sum_theta_new)**2). How do I subtract each theta_new from the average sum_theta_new and then sum those values? Best, Tom PROC SQL; CREATE TABLE Std_error AS SELECT theta_group ,COUNT(*) AS sample_size, SUM(theta_new)/CALCULATED sample_size AS sum_theta_new, SUM((theta_new-CALCULATED sum_theta_new)**2) AS sum_theta_new_diff, SQRT(CALCULATED sum_theta_new_diff/(CALCULATED sample_size-1)) AS Std_error FROM Std_error_data GROUP BY theta_group; QUIT; 1 1.688835988 1 1.640304696 2 1.529305114 2 1.799679433 3 2.010606609 3 1.610786296 4 1.710097178 4 1.754939867 5 1.785268613 5 1.61684695 ____________________________________________________________________________________ Looking for last minute shopping deals? Find them fast with Yahoo! Search. ____________________________________________________________________________________ Looking for last minute shopping deals? Find them fast with Yahoo! Search.

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