Linear regression
Finally! We will explore our first true machine learning model. Linear regression is a form of regression, which means that it is a machine learning model that attempts to find a relationship between predictors and a response variable and that response variable is, you guessed it, continuous! This notion is synonymous with making a line of best fit.
In the case of linear regression, we will attempt to find a linear relationship between our predictors and our response variable. Formally, we wish to solve a formula of the following format:
Let's look at the constituents of this formula:
- y is our response variable
- xi is our ith variable ...
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