Polynomial Regression in R

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The theory of fitting polynomial regression models in R.
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Great video! Thanks very much, Tom. Ideas very clearly expressed. Enjoyable to watch and listen to (which is quite an achievement considering the subject matter!!). Well done!

richardnz
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incredibly clear explanation! great video, don't stop...

fabioramilli
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Thank you so much. This has been really helpful.

abhichels
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@5:05 to interpret this: if x increases by 1, y increases by 3.05 times., but what about the relationship of the second order polynomial equation @5:32, how can this be interpreted? especially the (-3.22*x2).

umbnmbu
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How to calculate r² for degree 2 equation ???

iammichalak
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Can anybody point me to a link on how to compute the r2 in quadratic fit manually?

splekort
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can you make a playlist on CROSS VALIDATION, LDA/QDA, PCA, SVM i would really appreciate it!!!! thanks in advance

mathgmathg