December 2014
Intermediate to advanced
858 pages
40h 10m
English
Content preview from SAS Certification Prep Guide, 4th EditionBecome 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,
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Overview
Introduction
SAS macro variables enable you to substitute text in
your SAS programs. Macro variables can supply a variety of information,
including
-
operating system information
-
SAS session information
-
text strings.
When you reference a
macro variable in a SAS program, SAS replaces the reference with the
text value that has been assigned to that macro variable. By substituting
text into programs, SAS macro variables make your programs more reusable
and dynamic.
The following sample
code shows how a macro variable might be used to substitute a year
value throughout a program, enabling you to quickly and easily change
the value of
year throughout the program:
%let year=2002; proc print data=sasuser.schedule; where year(begin_date)= ...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,
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I 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.
I’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.
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.