FAQ: Linear Regression in R - Visualizing Model Fit

This community-built FAQ covers the “Visualizing Model Fit” exercise from the lesson “Linear Regression in R”.

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This exercise can be found in the following Codecademy content:

Analyze Data with R

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Hi guys,

just wondering, for this exercise why are we applying a LOESS model to a model with two variables that share a linear relationship? Tried finding more information online about LOESS and they seem to point to it being used as a smoothing function for CURVES rather than lines like in this case?

The method that I came across most often while searching for a situation like that (where two variables share a linear relationship) and you’re trying to find out the strength of that relationship is to use the least squares method.

Thanks!