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Artificial Intelligence and Soft Computing: Behavioral ... - Arteimi.info

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alive dead<br />

Z=A/W<br />

2 1 0<br />

0 1 2<br />

Living status<br />

Z ≤2.5 Z > 2.5<br />

Yes No<br />

Broken wings<br />

No<br />

No. of wings<br />

No No<br />

No No<br />

Fig. 13.5: A decision tree describing the instance for a flying bird;<br />

each leaf describes the binary value of ‘Fly’.<br />

The decision tree corresponding to the last expression is given in<br />

fig.13.5. In this figure if no. of wings is less than 2, Fly = false appears at the<br />

next level of the root. If no. of wings =2, then we test: how many wings are<br />

broken. If it is 0, we check whether the living status = alive, else we declare

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