Explain the purpose of retain statement.

0 Answers  

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/* This is example of age caluculate wihtout to display perfect days and years in output window */ data age; retain dob "12jun2003"d now "24may2011"d; age1=now-dob; age=(now-dob)/365.25; years=int(age); days1=round((age-years)*365.25); months=month(now)-1; if days1 gt 30 and months in(12,10,8,6,4,2)then do; month1=days1/30.4375; month=int(days1/30.4375); if day(now)=1 then days=1; else days=round((month1-month)*30.4375)+1; drop days1 month1 month; end; else if days1 gt 30 and months in (1,3,5,7,9,11)then do; month1=days1/30.4375; month=int(days1/30.4375); if day(now)=1 then days=1; else days=round((month1-month) *30.4375); drop days1 month1 month; end; drop age age1; proc print data=age; format dob now date.; run;

1 Answers   Emerio,

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Can you suggest us materials for sdtm mapping?

0 Answers   TCS,

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Give e an example of..

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How can you limit the variables written to output dataset in data step?

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How do you delete duplicate observations in sas?

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What are the applications primarily used by business analyst? : Sas-bi

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how can u convert this 25-jul-2010 from numeric to charcter?

3 Answers  

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What is difference between Global n Local Macro Variables..?

6 Answers   TCS,

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Why Info School? BUILD YOUR CAREER WITH RIGHT GUIDANCE AND SUPPORT SAS Training in Data Management at InfoSchool Bangalore

1 Answers  

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What are some problems you might encounter in processing missing values? In Data steps? Arithmetic? Comparisons? Functions? Classifying data?

1 Answers   Quintiles,

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What is proc sql pass through facility?

4 Answers   L&T,

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