SAS Interview Questions

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in the flow of data step processing, what is the first action in a typical data step? : Sas programming

696how would you create a data set with 1 observation and 30 variables from a data set with 30 observations and 1 variable? : Sas programming

888what is the different between functions and procs that calculate the same simple descriptive statistics? : Sas programming

635which date functions advances a date time or date/time value by a given interval? : Sas programming

576what are some problems you might encounter in processing missing values? In data steps? Arithmetic? Comparisons? Functions? Classifying data? : Sas programming

786what is a method for assigning first.var and last.var to the by groupvariable on unsorted data? : Sas programming

610what are some good sas programming practices for processing very large data sets? : Sas programming

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Un-Answered Questions { SAS }

what is the difference between unique key and primary key? : Sas-di

Do you need to compute new variables? If so,should you do this before you execute the report-writing procedure?

Explain what is the use of proc gplot?

If you were told to create many records from one record, show how you would do this using array and with proc transpose?

Difference between sum function and using “+” operator?

what is slowly changing dimension? : Sas-di

List out some key concept of SAS

how will you locate the sas platform applications? : Sas-bi

why a stop statement is needed for the point= option on a set statement?

What commands are used in the case of including or excluding any specific variables in the data set?

what cause the "error: connect:" and "error in the libname statement" when there weren't any such problems?

Where do you use proc means over proc freq?

What is the difference between %local and %global? : sas-macro

To what type of programms have you used scratch macros?

What does the trace option do?