17. Decision trees consist of: - leaf nodes (classes) - decision nodes (tests on attribute values) - from decision nodes branches grow for each possible outcome of the test From Cawsey, 1997
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21. ID3 algorithm no yes yes yes no Simon 6 yes yes yes no yes Gail 5 no yes no yes no Jeff 4 yes no yes no no Alison 3 yes no yes yes yes Alan 2 yes yes no yes yes Richard 1 First this year? Drinks? Works hard? Male? First last year? Student No.
22. ID3 algorithm no yes yes yes no Simon 6 yes yes yes no yes Gail 5 no yes no yes no Jeff 4 yes no yes no no Alison 3 yes no yes yes yes Alan 2 yes yes no yes yes Richard 1 First this year? Drinks? Works hard? Male? First last year? Student No.
23. ID3 algorithm no yes yes yes no Simon 6 yes yes yes no yes Gail 5 no yes no yes no Jeff 4 yes no yes no no Alison 3 yes no yes yes yes Alan 2 yes yes no yes yes Richard 1 First this year? Drinks? Works hard? Male? First last year? Student No.
24. ID3 algorithm no yes yes yes no Simon 6 yes yes yes no yes Gail 5 no yes no yes no Jeff 4 yes no yes no no Alison 3 yes no yes yes yes Alan 2 yes yes no yes yes Richard 1 First this year? Drinks? Works hard? Male? First last year? Student No.
25. ID3 algorithm no yes yes yes no Simon 6 yes yes yes no yes Gail 5 no yes no yes no Jeff 4 yes no yes no no Alison 3 yes no yes yes yes Alan 2 yes yes no yes yes Richard 1 First this year? Drinks? Works hard? Male? First last year? Student No.
26. ID3 algorithm no yes yes yes no Simon 6 yes yes yes no yes Gail 5 no yes no yes no Jeff 4 yes no yes no no Alison 3 yes no yes yes yes Alan 2 yes yes no yes yes Richard 1 First this year? Drinks? Works hard? Male? First last year? Student No.
27. ID3 algorithm no yes yes yes no Simon 6 yes yes yes no yes Gail 5 no yes no yes no Jeff 4 yes no yes no no Alison 3 yes no yes yes yes Alan 2 yes yes no yes yes Richard 1 First this year? Drinks? Works hard? Male? First last year? Student No.
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32. The KDD Process DATA patterns interpretation SELECTED DATA PROCESSED DATA browsing KNOWLEDGE TRANSFORMED DATA filtering preprocessing transformation Data mining
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Notas do Editor
What is predictive modeling? Predictive modeling uses demographic, medical and pharmacy claims information to determine the range and intensity of medical problems for a given population of insured persons. This assessment of risk allows health plans, payers and provider groups to plan, evaluate and fund health care management programs more effectively. From: http://www.dxcgrisksmart.com/faq.html
What is predictive modeling? Predictive modeling uses demographic, medical and pharmacy claims information to determine the range and intensity of medical problems for a given population of insured persons. This assessment of risk allows health plans, payers and provider groups to plan, evaluate and fund health care management programs more effectively. From: http://www.dxcgrisksmart.com/faq.html