array?

[avikam]

this is my macro:

%macro ib;
%DO II=1 %to 175;
data aaⅈ
set a1;

if h1=&ii or h2=ⅈ

proc means;

%end;
%mend ib;

%ib

[avikam]

not yet.

I wiil bs"d.

I wrote Macro to solve the problem.

[Tom]

So it sounds like you first should convert your data from wide to tall format and then you can calculate the mean.

data tall ;
  set have ;
  h=h1; mx=mx1; output;
  h=h2; mx=mx2; output;
  keep h mx ;
run;

proc means data=tall ;
  where h in (101 175);
  class h ;
  var mx;
run;