By Ron Cody

[img]Cody’s choice of well known SAS Programming projects and the way to take on Them[/img] provides often-used programming initiatives that readers can both use as awarded or regulate to slot their very own courses, multi functional convenient quantity. Esteemed writer and SAS professional Ron Cody covers such subject matters as personality to numeric conversion, computerized detection of numeric mistakes, combining precis information with aspect info, restructuring a knowledge set, grouping values utilizing a number of leading edge tools, acting an operation on all personality or all numeric variables in a SAS info set, and masses extra! SAS clients of all degrees attracted to enhancing their programming abilities will make the most of this easy-to-follow selection of tasks.

Reviews:

"Ron Cody has assembled one other selection of little identified yet very helpful SAS programming suggestions and methods during this very good quantity. The examples and motives offered are transparent, concise, and pleasing. whether you think about your self to be a professional SAS specialist you will discover insights into new and beneficial programming equipment utilizing statements which are new and not-so-new to the software program. as well as info step tools, it really is fairly pleasurable to determine advice that contain SAS tactics akin to PROC capacity, RANK, and SQL. themes lined comprise information summarization and restructuring, in addition to courses aimed toward combining information units into extra invaluable kinds. this can be an exceptional booklet that merits a spot on each SAS expert s bookcase." --Gerry Hobbs, affiliate Professor of statistics, West Virginia University

"This ebook knits jointly programming talents that you could be have already got into useful suggestions for the most universal facts administration projects. each one part poses a real-world information administration challenge. Then Cody reaches into his SAS bag-of-tricks to drag out the proper mixture of SAS statements, PROCs, Perl expressions, and macro language code to unravel the matter successfully. for those who imagine you're a lovely reliable SAS programmer, seriously look into those options to work out no matter if you're quite taking advantage of the SAS you know." --Jeanne Spicer, inhabitants examine Institute/Social technology examine Institute, Penn country University

"How a lot wouldn't it fee to have an international popular SAS professional come on your place of work to resolve a techinical challenge for you? How approximately to have him resolve a couple of different difficulties whereas he's there? The unusually cheap solution is that it's going to merely be the cost of Dr. Ron Cody's new e-book, Cody's selection of renowned SAS Programming projects and the way to take on Them.
"Dr. Cody has written numerous very good books some time past within which he exhibits the reader a sequence of programming constructs and describes the way to use them. during this ebook, he goals at today's busy expert introducing a programming challenge after which delivering an easy resolution for it. At this element, he presents a bit rationalization as to why it really works, and discusses the functionality and use of a few of the coding constructs it employs.

"Based on my adventure, each booklet via Ron Cody-including this one-should have a decal utilized to the canopy announcing, 'This booklet may be a great funding of your finances and your time.'" --Andrew T. Kuligowski, Long-time SAS user

"Wow! famous SAS writer, lecturer, and teacher Ron Cody has written the definitive don't reinvent the wheel SAS booklet! The twelve chapters in Cody s selection of renowned SAS Programming initiatives and the way to take on Them offer common examples of the way to code dozens of programming initiatives which are in general present in real-world events. Cody offers a transparent definition of every job, uncomplicated before-and-after snapshots of the information, modern SAS code that plays the mandatory motion, and down-to-earth motives of the way and why the code works. Readers can simply adapt the uncomplicated examples to be used of their courses. yet, extra importantly, they could use the methodologies within the examples to advance a greater realizing of SAS after which construct upon these principles of their personal paintings. SAS execs who buy this smart booklet are going to be happy that they don t need to puzzle over universal programming projects, yet can examine from a person who has been there and performed that!" --Michael A. Raithel, Westat

"How a lot wouldn't it price to have an international well known SAS professional come for your workplace to unravel a techinical challenge for you? How approximately to have him clear up a couple of different difficulties whereas he's there? The unusually reasonable resolution is that it's going to simply be the cost of Dr. Ron Cody's new booklet, Cody's number of renowned SAS Programming projects and the way to take on Them.

"Dr. Cody has written numerous very good books long ago during which he exhibits the reader a chain of programming constructs and describes how you can use them. during this e-book, he goals at today's busy expert introducing a programming challenge after which delivering an easy resolution for it. At this aspect, he presents a bit clarification as to why it really works, and discusses the functionality and use of a few of the coding constructs it employs.

"Based on my event, each e-book by way of Ron Cody-including this one-should have a decal utilized to the canopy announcing, 'This publication should be a great funding of your price range and your time.'" --Andrew T. Kuligowski, Long-time SAS user

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Additional info for Cody's Collection of Popular SAS Programming Tasks and How to Tackle Them

Sample text

The value of Mean_HR comes from a SAS data set—therefore it is automatically retained. That is, the value is not initialized to missing. Since the SET SUMMARY statement executes only once, the value of Mean_HR remains in the PDV and is added to every observation in the Percent_of_Mean data set. To demonstrate a practical reason why you may want to combine detail and summary data, the program computes a variable called Percent that represents the person’s heart rate as a percent of the average of all heart rates.

In this chapter, you will see several ways to accomplish these goals. Task: Grouping values using IF-THEN-ELSE statements Keywords Grouping values If-Then-Else statement For this example, you have a variable called Heart_Rate that represents a person’s heart rate in beats per minute. You want to create a new variable called HR_Group that represents heart rate ranges. As with all SAS programming, assume that Heart_Rate may possibly be a missing value. ; set Blood_Pressure(keep=Subj Heart_Rate); if missing(Heart_Rate) then HR_Group = ' '; else if Heart_Rate lt 40 then HR_Group = '<40'; else if Heart_Rate lt 60 then HR_Group = '40-<60'; Cody, Ron.

Cary, North Carolina, USA. ALL RIGHTS RESERVED. com/bookstore. 18 Cody’s Collection of Popular SAS Programming Tasks and How to Tackle Them Rank_X now represents groups rather than ranks. When you use the GROUPS=n option, PROC RANK numbers the groups starting with zero (why? ). If you use GROUPS=10, you will have groups going from zero to nine. 5: Using PROC RANK to create quintiles of Heart_Rate *Grouping using PROC RANK; proc rank data=Blood_Pressure(Keep=Subj Heart_Rate) out=Grouped groups=5; var Heart_Rate; ranks HR_Group; run; Here is a listing of the first 12 observations in data set Grouped: Subj Heart_Rate HR_Group 1 71 2 2 .

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