Try this
proc sql;
create table want as
select treatment,
count(distinct PID) as count
from have
where Result = 'Yes'
group by treatment;
quit;
WIll this help:
Your data ain't good looking, but it has a nice cardinality - The SAS Dummy
@ChrisHemedinger, I still laugh at the song lyrics in this article.
There you go.
Transpose if you want
data have;
input Result $ PID treatment $;
datalines;
Yes 1 T
No 1 T
Yes 1 T
Yes 1 O
No 2 R
Yes 2 R
Yes 2 O
Yes 3 T
Yes 3 T
Yes 3 T
Yes 3 O
;
proc sql;
create table want as
select treatment,
count(distinct PID) as count
from have
group by treatment;
quit;
Try this
proc sql;
create table want as
select treatment,
count(distinct PID) as count
from have
where Result = 'Yes'
group by treatment;
quit;
Do you want a data set for manipulation or a report people read?
If you don't mind a vertical report the Nlevels option in Proc Freq may suit.
Example:
proc freq data=sashelp.class nlevels;
ods output nlevels=work.levels;
ods select nlevels;
run;
Which if you have MISSING values will also have a summary involving those n the work.nlevels data set created. If you don't like the vertical layout you could transpose the work.levels, or write a report to use the work.levels.
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