Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


How would you delete observations with duplicate keys?

Answers were Sorted based on User's Feedback



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

Post New Answer

More SAS Interview Questions

What do the put and input function do?

0 Answers  


calculate the sum of value using only DATA STEP. data count_; input year name $ value; cards; 2006 xxx 10 2007 yyy 12 2006 xxx 20 2008 yyy 15 2007 xxx 15 ; out put should be like this year name T_value ----------------------- 2006 xxx 30 2007 xxx 15 2007 yyy 12 2008 xxx 15

6 Answers  


What is the difference between %put and symbolgen? : sas-macro

0 Answers  


What is the differnce between SDTM 3.1.2 to 3.1.1 version

0 Answers   Wipro,


How to write duplicate records into a separate dataset using sort?

4 Answers   HSBC,


How would you code the criteria to restrict the output to be produced?

9 Answers  


Mention common programming errors committed in sas ?

0 Answers  


Hi , which book should i refer to for preaparing SAS statistical Exam. Searched a lot on books but still did n't find relevant books

2 Answers  


How does SAS handle missing values in: assignment statements, functions, a merge, an update, sort order, formats, PROCs?

0 Answers   Quintiles,


Describe the ways in which you can create macro variables?

0 Answers  


There is a field containing a date. It needs to be displayed in the format “ddmonyy” if it’s before 1975,”dd mon ccyy” if it’s after 1985, and as ‘disco years’ if its between 1975 and 1985. How would you accomplish this in data step code? Using only PROC FORMAT.

3 Answers   CTS,


for what purpose would you use the retain statement? : Sas programming

0 Answers  


Categories