* example2.sas
* xref:
* input:
* output:
* does: - example usage of the VCBD macro
******************************************************************;;
filename MAC "vcbd.sas";
%include MAC;
******************************************************************;;
data A;
    input practice provider response;
 cards;
    1    1      1
    1    1      0
    1    1      0
    1    1      0
    1    2      0
    1    2      0
    1    2      0
    1    2      0
    2    1      0
    2    1      1
    2    1      1
    2    1      1
    3    3      0
    3    3      1
    3    3      1
    3    4      1
    3    4      1
    3    4      1
    3    7      1
    3    7      0
    3    7      0
    3    7      0
    4    4      1
    4    4      1
    4    4      1
    4    4      1
    4    8      1
    4    8      1
    4    8      1
    5    1      1
    5    1      0
    5    1      1
    5    2      1
    5    3      0
    5    3      1
    5    4      1
   ;
   run;
******************************************************************;;

proc summary data=A nway;
  class practice provider;
  var  response;
  output out=B sum=y n=m;
  run;
******************************************************************;;
proc print data=B;      * take a look;
  var practice    provider   y m;
  run;
******************************************************************;;
%vcbd (data = B, i = practice, mij = m, yij = y);