What is the use of function Proc summary?
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SAS System ?
what is sas metadata server? : Sas-di
What is the one statement to set the criteria of data that can be coded in any step?
What is the difference between using drop = data set option in data statement and set statement?
what is the difference btw proc means and proc univariate?
List out some key concept of SAS
In SAS explain which statement does not perform automatic conversions in comparisons?
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What are the rows present in protocol Violation table?
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data task; input id date date9. visit; cards; 101 01jan2015 1 101 02jan2015 2 101 06jan2015 3 102 04jan2015 1 102 07jan2015 2 102 12jan2015 3 103 06jan2015 1 103 13jan2015 2 ; run; write a program to find out missing dates between visits by each subject.
What is the command used to find missing values?