การวิเคราะห์ข้อมูลด้วย Weka
- 21. Classification
1. จำนวนระเบียนที่จำแนกถูก = ............21+43= 64........ ระเบียน
2. คิดเป็น .............. (64/86) * 100 =74.4186 %..............................................................................................
3. จำนวนระเบียนที่จำแนกผิด = ............ 12+10 = 22........... ระเบียน
4. คิดเป็น ................ (22/86) * 100 = 25.5814 %...............................................................................................
5. Precision (class=yes) = 21/(21+10) = 0.677
6. Recall (class=yes) = 21/(21+12) = 0.636
- 28. Association Rule
Best rules found:
1. IceCream=t 40 ==> Water=t 40 <conf:(1)> lift:(3.25) lev:(0.21) [27] conv:(27.69)
2. Water=t 40 ==> IceCream=t 40 <conf:(1)> lift:(3.25) lev:(0.21) [27] conv:(27.69)
3. IceCream=t Sandwich=t 39 ==> Water=t 39 <conf:(1)> lift:(3.25) lev:(0.21) [26] conv:(27)
4. Water=t Sandwich=t 39 ==> IceCream=t 39 <conf:(1)> lift:(3.25) lev:(0.21) [26] conv:(27)
5. MoneyCard=t 25 ==> Bread=t 25 <conf:(1)> lift:(5.2) lev:(0.16) [20] conv:(20.19)
6. Bread=t 25 ==> MoneyCard=t 25 <conf:(1)> lift:(5.2) lev:(0.16) [20] conv:(20.19)
7. Milk=t IceCream=t 25 ==> Water=t 25 <conf:(1)> lift:(3.25) lev:(0.13) [17] conv:(17.31)
8. Water=t Milk=t 25 ==> IceCream=t 25 <conf:(1)> lift:(3.25) lev:(0.13) [17] conv:(17.31)
9. Water=t Milk=t 25 ==> Sandwich=t 25 <conf:(1)> lift:(2.95) lev:(0.13) [16] conv:(16.54)
10. Milk=t IceCream=t 25 ==> Sandwich=t 25 <conf:(1)> lift:(2.95) lev:(0.13) [16] conv:(16.54)