Learn how the line of best fit in regression analysis shows relationships between variables, how it's calculated, and its ...

Multicollinearity is a common issue in multiple regression analysis, where the presence of high correlation among predictor ...

Before we learn how to perform multivariate regression in Excel, it is important to have a refresher on regression as a whole and multivariate regression in particular. One of the hallmarks of human ...

Examination of the (sample) residuals resulting from the regression analysis can indicate failures of assumptions 1, 3, and 4. Such failures are not necessarily a bad thing: They can point the way to ...

I 'm a big fan of Python for data analysis, but even I get curious about what else is available. R has long been the go-to ...