This is the first log, it looks weird: 4671 %put &p_nor &ProbF; 2.78E-16 0.5349 4672 %MACRO a; 4673 %if &p_nor>2.78 and &ProbF>0.1 %then %do; 4674 %put &p_nor>0.1 and &ProbF>0.1; 4675 %end; 4676 %else %do; 4677 %put else; 4678 %end; 4679 %MEND; 4680 %a 2.78E-16>0.1 and 0.5349>0.1   and then i try this one: 4685 %put &p_nor &ProbF; 2.78E-16 0.5349 4686 %MACRO a; 4687 %if &p_nor>2.79 and &ProbF>0.1 %then %do; 4688 %put &p_nor>2.79 and &ProbF>0.1; 4689 %end; 4690 %else %do; 4691 %put else; 4692 %end; 4693 %MEND; 4694 %a else   when i assign a scientific notation to a macro variable,it seems sas make the judgement by using the numeric part of the macro variable. it shows that in sas macro 2.78E-16>0.1 and 2.78E-16<2.79. how to make sas to make a right judgement??? ... View more

data a; input x y; datalines; 1 2 1 2 1 2 1 2 ; run; proc freq data=a; table x*y/out=out outpct; run; This procedure will generate a 1*1 crosstab ; If the range of x is 1-4 and the range of y is 1-4,how can i generate a fixed 4*4 table counting the zero counts? Thanks~~~ ... View more