How would you delete observations with duplicate keys?

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Question Posted / sasguru

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How would you delete observations with duplicate keys?..

Answer / mohan reddy

proc sort data=work.abc nodupkey;
by eno;
run;

when u have delete duplicatie obervation from dataset. u can
use the nodupkey along with the by variable.

Is This Answer Correct ?

10 Yes

0 No

How would you delete observations with duplicate keys?..

Answer / g.jyotshna

proc sort data=datasetname nodup;
by var;
run;
proc sort data=datasetname nodupkey;
by var;
run;
proc sort data=datasetname noduprecs;
by var;
run;

Is This Answer Correct ?

4 Yes

0 No

How would you delete observations with duplicate keys?..

Answer / rohit

You can also use a Proc SQL statement with a Distinct
keyword.

Proc Sql;
Select Distinct tablename.* from tablename;
Quit;

Is This Answer Correct ?

3 Yes

0 No

How would you delete observations with duplicate keys?..

Answer / vijay

proc sort nodupkey;by var;run;

Is This Answer Correct ?

2 Yes

1 No

How would you delete observations with duplicate keys?..

Answer / upendra

Data <datasetname>;
Set <datasetname>;
by <var>;
If last.var;
run;

Is This Answer Correct ?

1 Yes

0 No

How would you delete observations with duplicate keys?..

Answer / siddu

proc sort data=<master dataset> out=(newdata set name>
nodup key;
by <key variable>;
run;

Is This Answer Correct ?

0 Yes

1 No

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