How do you delete duplicate observations in sas?
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To what type of programms have you used scratch macros?
In the SAS Data step what is the difference between the subsetting done by Where and subsetting done by If?
What SAS statements would you code to read an external raw data file to a DATA step?
i have a macro variable var1,var2. i want titles for the each macro variable separately? how it is possible?
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What sas features do you use to check errors and data validation?
What is the significance of the ‘OF’ in X=SUM (OF a1-a4, a6, a9);?
Explain the purpose of retain statement.
. Which date advances a date, time or date/time value by a given interval?
I have 2 data sets A & B. Both have a variable called Age in them, each of them specifying a different functionality. In my program I use bot these data sets. How do I specify which Age variable I want to use?
What is the order of evaluation of the comparison operators: + - * /** ()?
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