Use CALL SYMPUT is you need to assign a data step value to a macro variable.
Syntax: Call Symput (“Macro variable”, character value)
The first argument to the Symput routine is the name of the macro variable to be assigned to the value from the second argument.
- The second argument is the character value that will be assigned to the macro variable. The second argument need to be always a character value or if a numeric value is to be used it should convert first into character variable before assigning it to macro variable. It may lead to problems, if you donâ��t do the conversion from numeric to character. In this case, SAS automatically converts numeric value of the variable to character value before assigning it to macro variable and prints a message in the LOG saying that conversion happened.
- read more at: http://studysas.blogspot.com/2009/08/call-symput-vs-call-symputx.html
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