By Ron Cody
Discover ways to application SAS through example!If you love studying through instance, then studying SAS via instance: A Programmer's consultant makes it effortless to benefit SAS programming. In an instructive and conversational tone, writer Ron Cody in actual fact explains each one programming procedure after which illustrates it with a number of real-life examples, through an in depth description of the way this system works. The textual content is split into 4 significant sections: Getting began; information Step Processing; featuring and Summarizing Your info; and complicated subject matters. matters addressed include:Reading facts from exterior sourcesLearning information of information step programmingSubsetting and mixing SAS info setsUnderstanding SAS services and dealing with arraysCreating studies with PROC file and PROC TABULATELearning to take advantage of the SAS Output supply SystemGetting all started with the SAS macro languageIntroducing PROC SQLYou can try your wisdom and hone your abilities by way of fixing the issues on the finish of every bankruptcy. (Solutions to odd-numbered difficulties can be found in the back of this e-book. suggestions to all difficulties can be found to teachers through vacationing Ron Cody's writer web page for details.) This booklet is meant for novices and intermediate clients. Readers should still understand how to go into and post a SAS software from their working system.
This e-book is a part of the SAS Press software.
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Additional info for Learning SAS by Example: A Programmer's Guide
Demographic data set has five observations and four variables. The SAS term observations is analogous to rows in a table. The SAS term variables is analogous to columns in a table. In this example, each observation corresponds to the data collected on each subject and each variable corresponds to each item of information you collected on each subject. The remaining notes show the real and CPU time used by SAS to process each procedure. 2 Enhancing the Program At this point, it would be a good idea to access SAS somewhere, enter this program (you will probably want to change the name of the folder where you are storing your data file), and submit it.
Feel free to include blank lines whenever you wish to make the program more readable. There are several TITLE statements in this program. You will see this statement in many of the SAS programs in this book. As you may have guessed, the text following the keyword TITLE (placed in single or double quotes) is printed at the top of each page of SAS output. Statements such as the TITLE statement are called global statements. The term global refers to the fact that the operations these statements perform are not tied to one single DATA or PROC step.
In this example, because parentheses surround the addition operation, the 2 and 3 are added together first and then multiplied by 4, yielding a value of 20. 3 More on Comment Statements Another way to add a comment to a SAS program is to start it with a slash star (/*) and end it with a star slash (*/). You may even embed comments of this type within a SAS statement. For example, you could write: input Gender $ Age /* age is in years */ Height Weight; If you are using a mainframe computer, you may want to avoid starting your /* in column one because the operating system will interpret it as job control language (JCL) and terminate your SAS job.