DarLiner/Algorithm_Interview_Notes-Chinese

规则的有效性说法有误

taoqiongxing opened this issue · 0 comments

taoqiongxing commented

Lift(X→Y) <=1 的 X→Y 是有效的强关联规则——### 无效
“茶叶→咖啡”的支持度：Support(X→Y) = 450 / 1000 = 45%——### Support(X→Y) = 450 / 500 = 90%