Skip to Content
SAS Certification Prep Guide, 5th Edition
book

SAS Certification Prep Guide, 5th Edition

by SAS Institute
September 2018
Intermediate to advanced
386 pages
17h 24m
English
SAS Institute
Content preview from SAS Certification Prep Guide, 5th Edition

Chapter 10: Combining SAS Data Sets

  1. Correct answer: a
    This example is a case of one-to-one matching, which requires multiple SET statements. Where same-named variables occur, values that are read from the second data set replace those that are read from the first data set. Also, the number of observations in the new data set is the number of observations in the smallest original data set.
  2. Correct answer: b
    This is a case of concatenation, which requires a list of data set names in the SET statement and one or more BY variables in the BY statement. Notice that observations in each BY group are read sequentially, in the order in which the data sets and BY variables are listed. The new data set contains all the variables from all the ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.
Julian F.
Head of Cybersecurity
QuotationMarkI wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.
Addison B.
Field Engineer
QuotationMarkI’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.
Amir M.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

SAS Certification Prep Guide, 4th Edition

SAS Certification Prep Guide, 4th Edition

SAS Institute
SAS Certification Prep Guide

SAS Certification Prep Guide

Joni N. Shreve, Donna Dea Holland

Publisher Resources

ISBN: 9781635269918