DATA CLINICAL; *Use LENGTH statement to control the order of variables in the data set; LENGTH PATIENT VISIT DATE VISIT 8; RETAIN DATE VISIT WEIGHT; DO PATIENT = 1 TO 25: IF RANUNI (135) LT 5 THEN GENDER = 'Female'; ELSE GENDER = 'Male'; X = RANUNI (135); IF X LP 33 THEN GROUP = 'A'; ELSE IF X UT 66 THEN GROUP = 'B'; ELSE GROUP = 'C'; DO VISIT 1 TO INT (RANUNI (135)*5); IP VISIT = 1 THEN DO; DATE VISIT = INT (RANUNI (135)*100) + 15800; WEIGHT= INPIRANNOR (135)-10 + 150); RUN: END; ELSE DO; DATE VISIT = DATE VISIT + VISIT* (10 + INT(RANUNI (135) 50)); WEIGHTWEIGHT + INT (RANNOR (135)*10); END; OUTPUT IF RANUNT (135) LT 2 THEN LEAVE; END: END: DROP X: FORMAT DATE VISIT DATE9.:

DATA CLINICAL; Use LENGTH statement to control the order of variables in the data set; LENGTH PATIENT VISIT DATE VISIT 8; RETAIN DATE VISIT WEIGHT; DO PATIENT = 1 TO 25: IF RANUNI (135) LT 5 THEN GENDER = 'Female'; ELSE GENDER = 'Male'; X = RANUNI (135); IF X LP 33 THEN GROUP = 'A'; ELSE IF X UT 66 THEN GROUP = 'B'; ELSE GROUP = 'C'; DO VISIT 1 TO INT (RANUNI (135)5); IP VISIT = 1 THEN DO; DATE VISIT = INT (RANUNI (135)100) + 15800; WEIGHT= INPIRANNOR (135)-10 + 150); RUN: END; ELSE DO; DATE VISIT = DATE VISIT + VISIT (10 + INT(RANUNI (135) 50)); WEIGHTWEIGHT + INT (RANNOR (135)*10); END; OUTPUT IF RANUNT (135) LT 2 THEN LEAVE; END: END: DROP X: FORMAT DATE VISIT DATE9.:

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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