The contents of two SAS data sets named EMPLOYEE and SALARY are listed below: The following SAS program is submitted:
data work.empsalary;
merge work.employee (in = inemp)
work.salary (in = insal);
by name;
if inemp and insal;
run;
Employee
name age
----------
Bruce 30
Dan 35
Salary
name salary
-------------
Bruce 40000
Bruce 35000
Dan 37000
Dan
How many observations will the data set WORK.EMPSALARY contain?
A. 2
B. 4
C. 5
D. 6
Wednesday, January 20, 2010
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SAS and all other SAS Institute Inc. product or service names are registered trademarks or trademarks of SAS Institute Inc. in the USA and other countries. ® indicates USA registration.
Other brand and product names are trademarks of their respective companies.
This blog is not responsible for any kind of copyright violation. This blog just collects the links hosted or posted by other servers/people/search engines.The creator of this page or the ISP(s) hosting any content on this site take no responsibility for the way you use the information provided on this site.If anybody has any copyright claim on it and doesn’t wish the information provided to be shown on our site, please do respond to this email. We shall remove them off immediately. Any inconvenience is regretted. Please do mention your exact grievance/problems with respect to certain third party links. We assure you that appropriate action will be taken off. Thank you
3 comments:
Answer: B
answer: B
SAS GURU CAN YOU COMMENT?
B (ASSUMING IN SALARY DATASET 2ND DAN'S SALARY IS MISSING
LEAVING A BLANK INSTEAD OF MISSING(.) VALUES PRODUCES ONLY 3 OBSERVATIONS (2 BRUCE AND 1 DAN)
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