model tree

# Regression Tree와 Model Treerm(list = ls())#1. 데이터 준비wine summary(wine)fixed.acidity volatile.acidity citric.acid residual.sugar chlorides free.sulfur.dioxideMin. : 3.800 Min. :0.0800 Min. :0.0000 Min. : 0.600 Min. :0.00900 Min. : 2.00 1st Qu.: 6.300 1st Qu.:0.2100 1st Qu.:0.2700 1st Qu.: 1.700 1st Qu.:0.03600 1st Qu.: 23.00 Median : 6.800 Median :0.2600 Median :0.3200 Median : 5.200 Median :0...