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

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Data Mining???????????
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Ben-Ben Bank
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Data Mining???

• Data Mining?????????????,???(Trend)???(Pattern)???
  ?(Relationship)???,????????????????

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Data Mining???

• ??(classification)
• ??(predication)
• ????(affinity grouping)
• ????(clustering)

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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)

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????

• Data Mining??STATISTICA??

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

• Data Mining???????

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Data Mining???
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?????(2109518)??????? Training Data (1000070)
Testing Data (555814) New Data (555814)
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Training Data Testing Data
????0.2?? Sample Training Data (2054) Sample
Testing Data (1125)

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S Training Data S Testing Data ????
????
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?Training Data(1000070) ?Testing
Data(555814) ???????????, ?????
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?Training Data?Testing Data??????????????
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Data Mining ????
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Data Mining (???)
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Data Mining (????????)
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????

• Total?????
• Sample?????
• ????
• ????

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• ???
• ???12? ?????? ?????????
• ????1524??3034??? ????
• ????gt20000? ?2000140000???
• ??????2000140000?
• ?????28.02???6000180000?
• ??????????????
• ????????????

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• ???
• ????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?
• ???????????
• ???????????

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

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THE ENDTHANKS