Can you explain the process of calendar?
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Code the MEANS to produce output to be used later.
what is study design in while working with SAS? what are screening variables in SAS?
How to specify variables to be processed by the freq procedure?
How to create an external dataset with sas code?
How do dates work in sas?
differnce between 8.2 and 9.1.3
Explain the message 'Merge has one or more datasets with repeats of by variables'.
what is the difference between unique key and primary key? : Sas-di
Do you need to combine data sets? How should you combine data sets– MERGE or SET statements in DATA steps,PROC APPEND,PROC SQL?
What type of tables you are using in YOUR reporting..???
2 Answers GSK GlaxoSmithKline,
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.
Explain the difference between using drop = data set option in set and data statement?