The accompanying data set contains two predictor variables, x 1 and x 2 , and one numerical

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The accompanying data set contains two predictor variables, x1 and x2, and one numerical target variable, y. A regression tree will be constructed using the data set.

a. Which split on x1 will generate the smallest MSE?
b. Which split on x2 will generate the smallest MSE?
c. Which variable and split value should be used to create the root node if a regression tree is constructed using the accompanying data set?
d. State the rules generated from this split.

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Business Analytics Communicating With Numbers

ISBN: 9781260785005

1st Edition

Authors: Sanjiv Jaggia, Alison Kelly, Kevin Lertwachara, Leida Chen

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