Question: Using the information theoretic selection function of Section 10.4.3, show in detail how ID3 constructs the tree of Figure 10.14 from examples in Table 10.1.

Using the information theoretic selection function of Section 10.4.3, show in detail how ID3 constructs the tree of Figure 10.14 from examples in Table 10.1. Be sure to show the calculations used in computing the information gain for each test and the resulting test selections.

Figure 10.14

high risk high high risk debt? low $0 to $15k $15 to $35k credit history? unknown bad good moderate risk

Table 10.1

NO. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. RISK high high moderate high low low high moderate low low

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To construct the tree using the ID3 algorithm from the examples in Table 101 we need to compute the information gain for each attribute and select the ... View full answer

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