explain the main difference between the nodup and nodupkey options? : Sas-administrator
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For clinical entire study how many tables will create approx?
what is hierarchy flattening? : Sas-di
What are the difficulties u faced while doing vital signs table or dataset?
How we can create SAS USER DEFINED CODE?
what is the difference between the SAS v8 and SAS v9?
Name statements that are recognized at compile time only?
What is maximum number of rows and cols can be handled in SAS?
If you have a data set that contains 100 variables, but you need only five of those, what is the code to force SAS to use only those variable?
what are _numeric_ and _character_ and what do they do? : Sas programming
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.
Tell e how how dealt with..
what are the different ways of merging two datasets.name atleast 4.