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Techniques for analyzing the relationship between one (or more) "dependent" variables and "independent" variables.
4
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Linear Regression: Conditional Independence of dependent variable
I am going through the book elements of statistical learning:http://statweb.stanford.edu/~tibs/ElemStatLearn/printings/ESLII_print10.pdf
In chapter 3 on linear regression (page 44), the author mentions …
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K nearest neighbours algorithm interpretation
book, The Elements of Statistical Learning http://statweb.stanford.edu/~tibs/ElemStatLearn/printings/ESLII_print10.pdf (page 19-20)
The author claims that
In the least squares method, we assume the regression … In the k nearest neighbors method we assume the regression function $f(x)$ is well approximated by a locally constant function. …