what is the difference between calculating the 'mean' using the mean function and proc means? : Sas programming
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what are the different ways of merging two datasets.name atleast 4.
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What is LAG function?How is it used? can any one explain
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Name and describe few sas character functions that are used for data cleaning in brief.
How would you code a merge that will write the matches of both to one data set, the non-matches from the left-most data set to a second data set, and the non-matches of the right-most data set to a third data set?
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What other SAS features do you use for error trapping and data validation?
what are system option ? give few examples ? what are dataset options and dataset statements ? if there is a keep option and keep statement ? which one is executed first ? Difference between a WHERE statement and IF statement ? what is the advantage of using WHERE statement option on the dataset ?