How to print observations 4 through 8 from a data set? Difference between Miss over and Truncover. What is the difference between INPUT and INFILE? What is the difference between %EVAL and %SYSEVALF? What is the purpose of using the RETAIN statement? Which date function advances a date, time, or DateTime value by a given interval? What is the difference between SET and MERGE? How to convert a character variable to a numeric variable? How to convert a numeric variable to a character variable? How to remove unique and duplicate values? What are the default statistics that PROC MEANS produce? How to include or exclude specific variables in a data set? What is the purpose of double trailing in the Input Statement? How to specify variables to be processed by the FREQ procedure? How to limit decimal places for variables using PROC MEANS? What is the difference between Proc Means and Proc Summary? What is the difference between SCAN and SUBSTR? How to count unique values by a grouping variable? Explain the difference between nod up key and nod up options.
Mention the categories in which SAS Informatics are placed? Explain how you can debug and test your SAS program? How to remove duplicates using PROC SQL?.How to achieve efficiency in the SAS program? What is the difference between do while and do until? What is the function of tranwrd function? How to create list output for cross tabulations in proc freq?
What is the difference between b/w PROC Means and PROC Summary? Difference b/w sum function and using ‘+’ operator? What is the function of a stop statement?
Explain the basic structure of SAS programming.