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...


data task;
input id date date9. visit;
cards;
101 01jan2015 1
101 02jan2015 2
101 06jan2015 3
102 04jan2015 1
102 07jan2015 2
102 12jan2015 3
103 06jan2015 1
103 13jan2015 2
;
run;
write a program to find out missing dates between visits by each subject.



data task; input id date date9. visit; cards; 101 01jan2015 1 101 02jan2015 2 101 06jan2015 3 ..

Answer / chaudhary_1989

data task;
input id date date9. visit ;
cards;
101 01jan2015 1
101 02jan2015 2
101 06jan2015 3
102 04jan2015 1
102 07jan2015 2
102 12jan2015 3
103 06jan2015 1
103 13jan2015 2
;
run;

Answer

data task1;
set task;
by id;
date1=lag(date);
if first.id ne 1 then x=date-date1;
run;

proc print; run;

proc transpose data = task out = b;
var date;
by id;
run;

data new;
set b;
x=col2-col1;
y=col3-col2;
run;

proc print; run;

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More SAS Interview Questions

How to Rename Library?

3 Answers  


What is the difference between order and group variable in proc report?

0 Answers  


What are the main differences between sas versions 8.2, 9.0, 9.1?

4 Answers  


what is the use of proc contents and proc print in sas? : Sas-administrator

0 Answers  


At compile time when a SAS data set is read, what items are created?

5 Answers  


how do you pull data from equifax?tell me the process?

0 Answers   Synchrony Financial,


How to create a permanent sas data set?

0 Answers  


how to know the attributes of first five datasets in a library

2 Answers  


What is the function of Stop statement in a SAS Program?

0 Answers  


proc means? proc sort? proc append? proc freq? proc print? proc content?

4 Answers   Oracle,


What is the difference between match merge and one to one merge?

0 Answers  


what cause the "error: connect:" and "error in the libname statement" when there weren't any such problems?

0 Answers  


Categories