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Unformatted text preview: 1 Preface Modern competitors include nonparametric regression , neural networks , support vector machines , and tree-based methods , among others. So, a reasonable question to ask is: Who needs a book on linear regression using ordinary least squares when all these other newer and, presumably, better methods exist? Journey to the West To learn these newer methods without the knowledge of linear regression is like 'lifting the moon out of water.'" "What does 'lifting the moon out of water' mean?" "The moon is in the sky," the Patriarch replied, "and only its reflection is in the water. Although you can see it there, you will try in vain to lift it out." 2 Chapter 1 Scatterplots and Regression Motivating Example Forbes, J. (1857). Further experiments and remarks on the measurement of heights by boiling point of water. Trans. R. Soc. Edinburgh , 21, 235243. A series of experiments conducted on the relationship between atmospheric pressure and the boiling point of water Data: Pressure...
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