Software testing is the process of evaluation a software item to detect differences between given input and expected output. Also to assess the feature of a software item. Testing assesses the quality of the product.
SAS is a popular and successful tool used in the field of data analysis and data modeling. SAS is a statistical analysis system i.e. statistical software suite which is developed by SAS Institute for advanced analytics purposes, Clinincal Trials, data migration, data mining, business intelligence, predictive analytics, investigation, etc.