what are methods to identify duplicate observations?
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Answer / hari prasad reddy
3 methods.
1.using proc sort
2.proc sql distinct
3.set first.var and last.var
| Is This Answer Correct ? | 10 Yes | 1 No |
Answer / ramesh sas trainar in stg
1.Proc Sort
2.Proc SQL Distinct
3.first.byvariable
4.last.byvariable
5.proc freq
6.Proc SQL unique
7.merge Statement
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / sudha ramalingam
You can also use nodupkey and noduprecs in your proc sort
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / natrajboga
you can Identify the duplicate values by using
1) sort procedure along with the dupout= and nodupkey stmt
options and followed by BY stmt.
2) use the proc sql
for example:
proc sort data=demog dupout=dup_demog nodupkey;
by subjid;
run;
proc sql;
select subjid, count(*) from demog
group by subjid
having count(*)>1;
quit;
| Is This Answer Correct ? | 6 Yes | 4 No |
hi i am nipun can anybody tell me that if a clinical sas programmer write the code and after successfull execution where do they store it. how they submit tables to TL how work is assigned to programmers either both code, log, output to be submitted. can any one tell me the process
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