From the course: Healthcare Analytics: Regression in R

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Regression review

Regression review - R Tutorial

From the course: Healthcare Analytics: Regression in R

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Regression review

- [Instructor] Welcome to chapter five, section seven. Before we get into linear regression, I thought I'd do a little regression review for you. So, this talk will be more to refresh your memory on what we are doing when we do regression. You may remember that in regression what we are looking for is slopes and y-intercepts. I'll help you remember the difference between simple linear regression and multiple linear regression, and what those equations look like. I'll also recall for you how ANOVA and linear regression output come together, and explain how ANOVA results relate to linear regression results. I want to remind you what a regression equation looks like. If we are doing simple linear regression, we have a y, but we only have one x. Imagine two continuous variables because it's easier for me to explain it that way. We have some x's, imagine like an age variable, and y's, imagine like a sleep duration variable. If you plot them, they are not right on the line because, alas…

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