In statistics, a mathematical method of modeling the relationships among three or more variables. It is used to predict the value of one variable given the values of the others. For example, a model ...

In software development, testing a program that has been modified in order to ensure that additional bugs have not been introduced. When a program is enhanced, testing is often done only on the new ...

Regression to the Mean (also known as regression toward the mean, reversion to the mean, or reversion to mediocrity) refers to the statistical phenomenon in which extreme values, whether unusually ...

- the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x) ...