December 2014
Intermediate to advanced
858 pages
40h 10m
English
Content preview from SAS Certification Prep Guide, 4th Edition
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Eliminating Unnecessary Passes through the Data
Best practices specify that you should eliminate unnecessary
passes through the data. To minimize I/O operations and CPU time,
avoid reading or writing data more than necessary.
Comparative Example: Creating Multiple Subsets of a SAS Data Set
Overview
Suppose you want to
create five subsets of data from the data set Retail.Customer.
You need a subset for each of five countries.
The following sample
programs compare two techniques. You can use these samples as models
for creating benchmark programs in your own environment. Your results
might vary depending on the structure of your data, your operating
environment, and the resources that are available at your site.
Programming Techniques
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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.