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4.4 Run the following program to create a SAS data set called CLINICAL. Using this data set, compute the difference in weight from one visit to the next. 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; END; IF RANUNI (135) LT 5 THEN GENDER = 'Female'; ELSE GENDER = 'Male'; X = RANUNI (135); IF X LT 33 THEN GROUP = 'A'; ELSE IF X LT .66 THEN GROUP = 'B'; ELSE GROUP = 'C': DO VISIT = 1 TO INT (RANUNI (135)*5); IF VISIT = 1 THEN DO; END; DATE VISIT = INT (RANUNI (135) *100) + 15800; WEIGHT =INT (RANNOR (135) 10 +150); ELSE DO; DATE VISIT = DATE VISIT + VISIT (10+ INT (RANUNI (135) *50)); WEIGHT WEIGHT +INT (RANNOR (135) *10); END; OUTPUT; END; DROP X; RUN; IF RANUNI (135) LT .2 THEN LEAVE; FORMAT DATE VISIT DATE9.;

4.4 Run the following program to create a SAS data set called CLINICAL. Using this data set, compute the difference in weight from one visit to the next. 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; END; IF RANUNI (135) LT 5 THEN GENDER = 'Female'; ELSE GENDER = 'Male'; X = RANUNI (135); IF X LT 33 THEN GROUP = 'A'; ELSE IF X LT .66 THEN GROUP = 'B'; ELSE GROUP = 'C': DO VISIT = 1 TO INT (RANUNI (135)*5); IF VISIT = 1 THEN DO; END; DATE VISIT = INT (RANUNI (135) *100) + 15800; WEIGHT =INT (RANNOR (135) 10 +150); ELSE DO; DATE VISIT = DATE VISIT + VISIT (10+ INT (RANUNI (135) *50)); WEIGHT WEIGHT +INT (RANNOR (135) *10); END; OUTPUT; END; DROP X; RUN; IF RANUNI (135) LT .2 THEN LEAVE; FORMAT DATE VISIT DATE9.;

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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4.4 Run the following program to create a SAS data set called CLINICAL. Using this data set, compute the difference in weight from one visit to the next. 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; END; IF RANUNI (135) LT 5 THEN GENDER = 'Female'; ELSE GENDER = 'Male'; X = RANUNI (135); IF X LT 33 THEN GROUP = 'A'; ELSE IF X LT .66 THEN GROUP = 'B'; ELSE GROUP = 'C': DO VISIT = 1 TO INT (RANUNI (135)*5); IF VISIT = 1 THEN DO; END; DATE VISIT = INT (RANUNI (135) *100) + 15800; WEIGHT =INT (RANNOR (135) 10 +150); ELSE DO; DATE VISIT = DATE VISIT + VISIT (10+ INT (RANUNI (135) *50)); WEIGHT WEIGHT +INT (RANNOR (135) *10); END; OUTPUT; END; DROP X; RUN; IF RANUNI (135) LT .2 THEN LEAVE; FORMAT DATE VISIT DATE9.;
Transcribed Image Text:4.4 Run the following program to create a SAS data set called CLINICAL. Using this data set, compute the difference in weight from one visit to the next. 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; END; IF RANUNI (135) LT 5 THEN GENDER = 'Female'; ELSE GENDER = 'Male'; X = RANUNI (135); IF X LT 33 THEN GROUP = 'A'; ELSE IF X LT .66 THEN GROUP = 'B'; ELSE GROUP = 'C': DO VISIT = 1 TO INT (RANUNI (135)*5); IF VISIT = 1 THEN DO; END; DATE VISIT = INT (RANUNI (135) *100) + 15800; WEIGHT =INT (RANNOR (135) 10 +150); ELSE DO; DATE VISIT = DATE VISIT + VISIT (10+ INT (RANUNI (135) *50)); WEIGHT WEIGHT +INT (RANNOR (135) *10); END; OUTPUT; END; DROP X; RUN; IF RANUNI (135) LT .2 THEN LEAVE; FORMAT DATE VISIT DATE9.;
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