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Multiple Regression - Dummy variables and interactions - example in Excel

In this video, I present an example of a multiple regression analysis of website visit duration data using both quantitative and qualitative variables. Variables used include gender, browser, mobile/non-mobile, and years of education. Gender and mobile each require a single dummy variable, while browser requires several dummy variables. I also present models that include interactions between the dummy variables and years of education to analyze intercept effects, slope effects, and fully interacted models. In short, I cover: multiple category qualitative variables dummy variables intercept effects slope effects dummy interactions I hope you find it useful! Please let me know if you have any questions! --Dr. D.