Regression analysis can also show you if there is no relationship between variables. For example, you could discover that money spent on website ads increases sales but newspaper ads have no effect.

Discover how linear regression works, from simple to multiple linear regression, with step-by-step examples, graphs and real-world applications.

The Durbin Watson statistic is a number that tests for autocorrelation in the residuals from a statistical regression analysis.

This article will cover the basic theory behind logistic regression, the types of logistic regression, when to use them and take you through a worked example.

For example, if a company's sales have increased steadily every month for the past few years, conducting a linear analysis on the sales data with monthly sales on the y-axis and time on the x-axis ...

Results from the regression analysis revealed that treatment outcomes were significantly associated with baseline HDD in both treatment groups.

Multiple regression equations designed to explain or predict should be validated. This tutorial shows how recalculation of the coefficient of determination on hold-out sample data or new sample data ...

This article deals with the use of prior beliefs in the estimation of regression coefficients; in particular, it considers the problems that arise when the residual variance of the regression equation ...