what is hash files in sas and why we are using this one in sas?
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How would you delete observations with duplicate keys?
What do you know about sas data set?
explain the difference between proc means and proc summary?
how could you generate test data with no input data? : Sas programming
what does .. meant in sas macros
What are _numeric_ and _character_ and what do they do?
How would you code a merge that will keep only the observations that have matches from both sets?
what is operational data and operational system? : Sas-di
How are the analysis data sets structured?
How to find out no. of business days in a month using macros.???(excluding weekends and holidays).
How could i automate the code in the scenario:Every month one new data set will be created for that perticular month transaction list.Now i would like to update the data in the source table by appending every month data automatically. jan---set jan; feb---set jan feb; mar---set jan mar;
how to remove the duplicates by proc sql?