Data Mining??????????? - PowerPoint PPT Presentation

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Title:

Data Mining???????????

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Title: Data Mining Author: USER Last modified by: user Created Date: 10/12/2002 5:55:04 AM Document presentation format – PowerPoint PPT presentation

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Title: Data Mining???????????


1
Data Mining???????????
??????????
??? ??? ??? ??? ??? ???
2
Ben-Ben Bank
3
Data Mining???
  • Data Mining?????????????,???(Trend)???(Pattern)???
    ?(Relationship)???,????????????????

4
Data Mining???
  • ??(classification)
  • ??(predication)
  • ????(affinity grouping)
  • ????(clustering)

5
Data Mining?????
  • ???????(Memory-Based easoning)
  • ???????(Market Basket Analysis)
  • ???(Decision Trees)
  • ?????(Genetic Algorithm)
  • ??????(Cluster Detection)
  • ????(Link Analysis)
  • ??????(On-Line Analytic Processing OLAP)
  • ?????(Neural Networks)
  • ????(Discriminant Analysis)
  • ???????(Logistic Analysis)

6
????
  • Data Mining??STATISTICA??

7
Data Mining?????????????Data Mining?????????????
  • Data Mining???????

8
???????
????
9
Data Mining???
10
?????(2109518)??????? Training Data (1000070)
Testing Data (555814) New Data (555814)
11
Training Data Testing Data
????0.2?? Sample Training Data (2054) Sample
Testing Data (1125)

12
S Training Data S Testing Data ????
????
13
?????????????????
14
??????????????????

15
?????????????.?????.???.
16
?Training Data(1000070) ?Testing
Data(555814) ???????????, ?????
17
?Training Data?Testing Data??????????????
18
??????????????

19
??????????????????
20
?????????????.?????.???.
21
Data Mining ????
22
Data Mining (???)
23

Data Mining (????????)
24
????
  • Total?????
  • Sample?????
  • ????
  • ????

25
(No Transcript)
26
(No Transcript)
27
(No Transcript)
28
(No Transcript)
29
????
  • ???
  • ???12? ?????? ?????????
  • ????1524??3034??? ????
  • ????gt20000? ?2000140000???
  • ??????2000140000?
  • ?????28.02???6000180000?
  • ??????????????
  • ????????????

30
????
  • ???
  • ????30??10.81 ?????9.86
  • ????gt800??12.40 ?????10.82
  • ?????10.82 ???????11.77
  • ???23? ??????? ?????????
  • ????2539??4554??? ????
  • ????gt20000? ?2000140000???
  • ??????2000???,????56.87????
  • ?????41.73???4000160000?
  • ???????????
  • ???????????

31
????
  • ???
  • ???34? ?????? ?????????
  • ????3549??? ????
  • ????lt20000? ????63.05????
  • ??????1000120000?
  • ?????49.28???6000180000?
  • ???????48.27???

32
??
  • ??????
  • ??????
  • ??????

33
??
  • ?????????,???????????????
  • ?????????,?????????????

34
THE ENDTHANKS
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