December 2014
Intermediate to advanced
858 pages
40h 10m
English
Content preview from SAS Certification Prep Guide, 4th Edition
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Chapter 13: Creating Indexes
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Correct answer: dAn index is a separate file from a data set that contains information about observations within the data set. Specifically, an index contains value/identifier pairs that indicate the location of observations within the data set and the value of one or more key variables in that observation.
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Correct answer: cTo create an index at the same time that you create a data set, you use the INDEX= option in the DATA statement. You must assign a unique name to a composite index, while a simple index is automatically assigned the name of the key variable as its name. You can set the value of the MSGLEVEL= system option to I in order to see messages about indexes in the SAS log.
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Correct answer: ...
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