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

In simple linear regression, there is a single quantitative independent variable. Suppose, for example, that you want to determine whether a linear relationship exists between the asking price for a ...

Below is an example screenshot illustrating 12 months of cost data for a restaurant. To perform a simple linear regression to estimate the restaurant’s fixed and variable costs, perform the following ...

Here's how to run both simple and multiple linear regression in Google Sheets using the built-in LINEST function. No add-ons or coding required.

For example, you might use regression analysis to find out how well you can predict a child's weight if you know that child's height. The following data are from a study of nineteen children. Height ...

In this investigation, we present simulations to compare the performance of linear and logistic regression models under alternative weighting schemes in a fixed-effects meta-analysis framework ...