::~:: NOTE: IF YOU REPLY, ALL TEXT FOLLOWING THIS LINE WILL BE IGNORED.

     Trknum: us6255203
   Customer: Uekawa, Kazuaki
    Sitenum: 0000000000
    Company: 
      Phone: 

         OS: unknown       Product: base
 OS Release:                 Topic: logic
Product Rel: unknown      Subtopic: 
    TSLevel:           

<=== Page: 1 === Chris Noto === emailed w/answer === 27Jul2005 13:59:59 ===>

Kaz,

The following sample program generates the ID value by counting the observations per school.
If I have misunderstood your request, please clarify what is required.

Regards,
Chris

**************************************************

data ds1;
input school $ student $;
cards;
A Betty
A Fred
A Barney
A Wilma
B George
B Judy
B Jane
;

proc sort;
by school;

data ds2;
set ds1;
by school;
if first.school then id=1;
else id+1;
run;

proc print;
run;