Cody’s Data Cleaning Techniques using SAS
Cody, R. (2017). Cody’s Data Cleaning Techniques using SAS. 3rd edition. SAS Institute.
ISBN-13: 978-1-62960-796-2
Read Chapter 7 - Describing Issues Related to Missing and Special Values
Read Chapter 4 - Data Cleaning Techniques for Numeric Data
Read Chapter 5 - Automatic Outlier Detection for Numeric Data