Cody's Data Cleaning Techniques Using SAS Ron Cody
Publisher:

This week's SAS tip is from Ron Cody and his book Cody's Data Cleaning Techniques Using SAS, Second Edition. Ron is the popular author of several bestselling SAS books and has been a SAS user since 1977. ÀCodys Data Cleaning Techniques Using SAS》. Thoroughly updated for SAS 9, this second edition addresses tasks that nearly every SAS programmer needs to do - that is, make sure that data errors are located and corrected. Download SAS Functions Cody ;s Data Cleaning Techniques Using SAS Software;. Ron Cody (2005) Cody's Data Cleaning Techniques using SAS Software. Program 1-7 Using a User-Defined Format and PROC FREQ to List Invalid Data Values. Although this book is titled Cody's Data Cleaning Techniques Using SAS, I hope that it is more than that. Http://blog.sina.com.cn/s/blog_5d3b177c0100cn8v.html. Verify： SAS的verify函数在数据处理和data clean的过程中十分有用，verify函数的第一个参数是源字符串，后续参数都是待查找字符，如果源字符串中包含的都是待查找字符，verify就返回0，否则，返回不包含字符在源字符串中的位置。由此可见，我们 可以利用verify函数对字符串作非正常字符的检测，从而达到clean data的目的。 verify的 .. The Global Initiative for Chronic Obstructive Lung Disease (GOLD).