연관 규칙

# 연관 규칙(Association Rules) 학습 # 1. 데이터 준비groceries str(groceries)'data.frame': 15295 obs. of 4 variables:$citrus.fruit : Factor w/ 167 levels "abrasive cleaner",..: 156 165 109 102 165 1 121 102 83 113 ...$ semi.finished.bread: Factor w/ 162 levels "","abrasive cleaner",..: 161 1 161 160 14 1 1 153 1 1 ...$ margarine : Factor w/ 164 levels "","abrasive cleaner",..: 34 1 39 35 163 1 1 120 1 1 ....