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JASON - Data mining
- 3. 资料介绍
- 4. 资料介绍 ?信用評分CreditScore ?地區Geography ?性別Gender ?年齡Age ?所在期間Tenure ?存款餘額Balance 銀行顧客流失率資料，變數數目: 11 觀察值數目: 10000 ?產品數量 NumOf Products ?是否擁有信用卡HasCrCard ?是否為活躍客戶 IsActive Member ?估計薪水 Estimated Salary ?是否離開Exited ?RowNumber、 CustomerId、Surname 其他
- 5. 叙述性统计
- 6. 资料转换
- 7. 欄位間的關聯 -1 -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.8 1 CreditScore Age Tenure Balance NumOfProducts HasCrCard IsActiveMember EstimatedSalary Exited G_Tran Gen_Tran CreditScore Age Tenure Balance NumOfProducts HasCrCard IsActiveMember EstimatedSalary Exited G_Tran Gen_Tran
- 8. KNN (using package : class)
- 9. SVM (using package : E1071)
- 10. CART 決策樹(using package : rpart)
- 11. PLOT OF CART Newtable.Age < 43 Newtable.IsActiveMember >= 0.5 Newtable.Age < 51 Newtable.Age < 45 yes no 1 2 3 6 7 14 28 29 15 Newtable.Age < 43 Newtable.IsActiveMember >= 0.5 Newtable.Age < 51 Newtable.Age < 45 0 .80 .20 100% 0 .89 .11 71% 0 .58 .42 29% 0 .73 .27 16% 1 .40 .60 13% 0 .51 .49 9% 0 .65 .35 3% 1 .45 .55 6% 1 .15 .85 4% yes no 1 2 3 6 7 14 28 29 15 Rattle 2019-五月-02 09:56:12 jason