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I'm currently experimenting with different regression techniques on this data set that I have, and I some sources state a method called "polynomial regression". I looked it up and I can't really find any clear explanation of what it is exactly. It sounds quite similar to linear regression - can anyone tell me the difference (if any)?

Thanks!

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marked as duplicate by Glen_b regression Jul 28 '17 at 2:13

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  • $\begingroup$ See gung's detailed explanation here $\endgroup$ – Glen_b Jul 28 '17 at 2:12
  • $\begingroup$ @Glen_b: Thanks for the help! Greatly appreciated. $\endgroup$ – Cynthia Jul 28 '17 at 2:50
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Polynomial regression is a form of linear regression where higher order powers (2nd, 3rd or higher) of an independent variable are included.

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