January 2018
Beginner to intermediate
582 pages
25h 3m
English
Content preview from SAS Certification Prep Guide, 4th Edition
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Chapter 7: Understanding DATA Step Processing
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Correct answer: bDuring the compilation phase, the program data vector is created. The program data vector includes the two automatic variables _N_ and _ERROR_. The descriptor portion of the new SAS data set is created at the end of the compilation phase. The descriptor portion includes the name of the data set, the number of observations and variables, and the names and attributes of the variables. Observations are not written until the execution phase.
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Correct answer: aSyntax checking can detect many common errors, but it cannot verify the values of variables or the correctness of formats.
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Correct answer: cThe DATA step executes once for each record in the input file, unless otherwise ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.