Quickly and easily allows the graphical evaluation of relationships between all pairs of variables in a larger group of variables. Each pairwise combination appears in a separate panel.
|When to Use||Purpose|
|Mid-project||Assess whether an input (X) has a strong linear relationship with an output (Y) to help eliminate non-critical X's from consideration.|
|Mid-project||Evaluate two inputs to identify whether they duplicate information. For example, inputs of Degree Obtained and Years of School are likely to explain the same variation of the output, so one of them may be eliminated. This evaluation is used primarily in multiple regression with many variables.|
Two or more numeric variables (X's, Y's, or any combination of these).