By Ron Cody
Find error and freshen up information simply utilizing SAS!
Thoroughly up to date, Cody's facts cleansing concepts utilizing SAS, 3rd Edition, addresses projects that almost each information analyst must do - that's, ensure that info mistakes can be found and corrected. Written in Ron Cody's signature casual, instructional sort, this e-book develops and demonstrates information cleansing courses and macros so that you can use as written or alter so one can make your task of information cleansing more straightforward, quicker, and extra efficient.
Building on either the author’s adventure received from educating a knowledge cleansing path for over 10 years, and advances in SAS, this 3rd variation contains 4 new chapters, overlaying subject matters resembling using Perl typical expressions for checking the layout of personality values (such as zip codes or electronic mail addresses) and the way to standardize corporation names and addresses.
With this booklet, you are going to learn the way to:
- find and proper error in personality and numeric values
- develop programming suggestions relating to dates and lacking values
- deal with hugely skewed information
- develop thoughts for correcting your facts error
- use integrity constraints and audit trails to avoid blunders from being additional to a fresh info set
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