Statistical comparison

Simply put, when you hear the term statistical comparison, one is usually referring to the act of a data scientist performing a process of analysis to view the similarities or variances of two or more groups or populations (or recordsets).

As a data developer, one might be familiar with various utilities such as FC Compare, UltraCompare, or WinDiff, which aim to provide the developer with a line-by-line comparison of the contents of two or more (even binary) files.

In statistics (data science), this process of comparing is a statistical technique to compare populations or recordsets. In this method, a data scientist will conduct what is called an Analysis of Variance (ANOVA), compare categorical variables (within the recordsets), and so on.