## March 15, 2021

# a primer for linear regression (part 3)

Now our focus will shift to multiple regression (i.e. linear regression with >1 predictors), as opposed to simple linear regression (linear regression with just 1 predictor). Simple linear regressions have the benefit of being easy to visualize, and this makes it much easier to explain different concepts. However, real-world questions are often complex, and it’s frequently necessary to account for more than one relevant variable in an analysis. As with the last two posts, we’ll stick with the Palmer Penguins data, and now that they’ve been introduced, I’ll be using functions from the {broom} package (such as tidy(), glance() and augment()) a bit more freely.
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