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

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.

This is precisely where a regression analysis can help figure this out. Also, just looking at the relationship between ad spend and revenue is usually not insightful enough to actually draw any ...

This example uses the corn yield data from the previous example to illustrate how to construct a regression estimator for a stratified sample design.

Problems requiring regression analysis of censored data arise frequently in practice. For example, in accelerated testing one wishes to relate stress and average time to failure from data including ...

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

Regression with qualitative variables is different from analysis of variance and analysis of covariance. Analysis of variance uses qualitative independent variables only. Analysis of covariance uses ...

In regression analysis, missing covariate data has been among the most common problems. Frequently, practitioners adopt the so-called complete-case analysis, i.e., performing the analysis on only a ...