SAS: Grouping by ID and summing the number of a condition in a variable for the ID

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SAS: Grouping by ID and summing the number of a condition in a variable for the ID



I have a dataset that contains the ID and a variable called CC. The CC holds multiple numbered values where each value represents something. It looks like this:



enter image description here



An ID can have the same CC in multiple rows, I just want to flag if the CC exists or not so even if Joe had five rows stating that he has CC equal to 3 I just want a 1 or 0 stating if Joe ever had a CC equal to 3.



I want it to look like this:



enter image description here



I tried coding it as shown below but the issue is that although I know an ID can have more than one type of CC the final dataset that's created from the code only shows 1 CC for each ID that is filled. I think maybe it's overwriting it?
Also I should note that prior to this code I created the CC Flag variables and filled it all as zeros.


proc sql;
DROP TABLE Flagged_CCs;
CREATE TABLE Flagged_CCs AS
select
ID,
COUNT(ID) as count_ID,
case when CC=1 then 1 end as CC_1,
case when CC=2 then 1 end as CC_2,
case when CC=3 then 1 end as CC_3
from Original_Dataset
group by ID;
quit;



Any help is appreciated, thank you.









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