How would you code a merge that will write the matches of both to one data set, the non-matches from the left-most data?
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how would you create a data set with 1 observation and 30 variables from a data set with 30 observations and 1 variable? : Sas programming
How do you debug and test your SAS programs? What can you learn from the SAS log when debugging? How do you test for missing values? How would you create multiple observations from a single observation? What are some good SAS programming practices for processing very large data sets? Briefly describe 5 ways to do a "table lookup" in SAS. Why is SAS considered self-documenting? Are you sensitive to code walk-throughs, peer review, or QC review? What other SAS features do you use for error trapping and data validation? How does SAS handle missing values in: assignment statements, functions, a merge, an update, sort order, formats, PROCs?
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