Linear regression is commonly used to quantify the relationship between two or more variables. It is also used to adjust for confounding. This Data Science - Linear Regression Certificate, which is part of Data Science Professional Certificate from EdX in partnership with Harvard University - HarvardX, covers how to implement linear regression and adjust for confounding in practice using R.
In data science applications, it is very common to be interested in the relationship between two or more variables. The motivating case study we examine in this course relates to the data-driven approach used to construct baseball teams described in the book (also a movie) Moneyball. We will try to determine which measured outcomes best predict baseball runs and to do this we'll use linear regression.
We will also examine confounding, where extraneous variables affect the relationship between two or more other variables, leading to spurious associations. Linear regression is a powerful technique for removing confounders, but it is not a magical process and it is important to understand when it is appropriate to use. You will learn when to use it in this course.
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