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Single Tree Fit and Random Forest Fit

Consider the house prices data from lecture (HousePrices). Make an 80/20

training/validation split with the random seed set to “1.” Based on your validation data set, obtain a single tree fit and a random forest fit (no early stopping rule, use defaults).

a) Save the Prediction Formula for each model. Use JMP’s model comparison platform and compare the fits. Show output. The conclusions you make might not be so firm considering that the data set is not large.
b) For each of the fits, use JMP’s prediction formula to predict a house of size 2.4, 3 bedrooms, 2 baths, 0 previous offers, brick, and in West neighborhood.

Advanced Statistical Modeling

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