SAS: PROC SQL (Summary for All (Across Group)

  This article is to show a sample program for summary across groups.  This is just removed 'Group By' clause in previous article. 

PROGRAM 

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SUMMARY FOR GRAND TOTAL(NOT GROUP BY...)
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PROC SQL ;
 CREATE TABLE EFFICACY2  AS
 SELECT MEAN(RES) AS MEAN /*THIS VARIABLE*/
 FROM EFFICACY ;
QUIT ;   
PROC PRINT; RUN ;

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OUTPUT (NOT FULL DATA)