/*IF-THEN statements*/



Using if-then statements

Grammer:

1. if condition then (single) action;

2. if condition then do;

action;

action;

end;

3. if condition then action;

else if condition then action;

else if condition then action;

else action;

Comparison operators:

=(eq), ^=(~=, ne), >(gt), =(ge), ................
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