Skip to Content
SAS Certification Prep Guide, 4th Edition
book

SAS Certification Prep Guide, 4th Edition

by SAS Institute
January 2018
Beginner to intermediate
582 pages
25h 3m
English
SAS Institute
Content preview from SAS Certification Prep Guide, 4th Edition

Chapter 22: Conditioning Raw Data Files

  1. Correct answer: d
    In order to create one observation per detail record, it is necessary to distinguish between header and detail records. Use a RETAIN statement to keep header data as part of each observation until the next header record is encountered. You also need to use the @ line-hold specifier to hold the current record so that other values in the record can be read.
  2. Correct answer: a
    An INPUT statement is used to read the value for code. The single @ sign at the end of the INPUT statement holds the current record for a later INPUT statement in the same iteration of the DATA step.
  3. Correct answer: b
    The IF-THEN statement defines the condition that Record equals C and executes an INPUT ...
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: 9781635264685