DATA TEST;
SET SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode
SASHELP.Zipcode;
RUN;
* 매 작업 마다 하드 디스크와 메모리 사이에 I/O 발생;
%macro back;
PROC SQL;
CREATE TABLE BACK AS
SELECT *
FROM TEST
%DO I=1 %TO 10;
UNION ALL
SELECT *
FROM TEST
%END;
;
QUIT;
%MEND;
%BACK;
* 메모리에 TEST 데이터 세트를 로딩하여서 처리 후 메모리에서 제거;
sasfile TEST open;
%macro back;
PROC SQL;
CREATE TABLE BACK AS
SELECT *
FROM TEST
%DO I=1 %TO 10;
UNION ALL
SELECT *
FROM TEST
%END;
;
QUIT;
%MEND;
%BACK;
sasfile TEST close;
*********************************************************
- 통계분석연구회
- 카페 : http://cafe.daum.net/statsas
- 통계분석연구회(Statistics Analysis Study) 그룹 :https://www.facebook.com/groups/statsas
* 친구 호출 : 답글에서 @다음에 친구 이름이나 페이지명 작성 후 친구 선택
(예 : @통계분석연구회)
#통계 #빅데이터 #통계분석연구회 #데이터과학자
