30.WAY TO CREATE MACRO VARIABLES-1

1.BY %LET:

%LET DATE=&SYSDATE9;

%PUT THIS IS DATE &DATE;

%LET XX=SASHELP.CLASS;

%PUT &XX;

%LET CLASS=SASHELP.CLASS;

PROC CONTENTS DATA=&CLASS;

RUN;

PROC FREQ DATA=&CLASS;

RUN;

%LET CARSS=SASHELP.CARS;

PROC MEANS DATA=&CARSS;

VAR MSRP;

RUN;

%LET A=IDDCR;

%LET B=HYDERABAD;

%PUT &A &B;

2.BY MACRO PARAMETER(KEYWORD AND POSITIONAL AND MIXED PARAMETERS):

%MACRO REDDY(INPUT=,IVAR=,OUTPUT=);

PROC MEANS DATA=&INPUT;

VAR &IVAR;

OUTPUT OUT=&OUTPUT;

RUN;

%MEND;

%REDDY(INPUT=SASHELP.HEART,IVAR=AgeAtStart,OUTPUT=REDDY);

REFER 29.MACRO PARAMETERS FOR ABOVE WAY OF CREATING MACROS:

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