UPCOMING WEBINAR: The complete guide to analyzing NPS This article describes how to test for heteroscedasticity (non-constant variance) in the residuals of linear regression models. Also known as the Breusch-Pagan test. The null hypothesis of the test is homoscedasticity.
Requirements
- A Linear Regression model output.
Please note these steps require a Displayr license.
Method
- Select the linear regression output.
- Go to the object inspector > Data > Diagnostics >Test Residual Heteroscedasticity.
Next
How to Run Linear Regression in Displayr
How to Run a Generalized Linear Model
How to Test Residual Normality (Shapiro-Wilk) of Regression Models
How to Test Residual Serial Correlation (Durbin-Watson) of Regression Models