Data Mining: Practical Machine Learning Tools and Techniques, Second Edition

274 CHAPTER 6| IMPLEMENTATIONS: REAL MACHINE LEARNING SCHEMES

play

play

yes

.633

no

.367

outlook

play

yes

no

outlook

sunny

.238

.538

overcast

.429

.077

rainy

.333

.385

temperature

play

yes

yes

yes

no

no

no

temperature

hot

.143

.455

.111

.556

.333

.143

mild

.429

.273

.556

.333

.333

.429

cool

.429

.273

.333

.111

.333

.429

humidity

play

yes

yes

yes

no

no

no

humidity

high

.500

.500

.125

.833

.833

.250

normal

.500

.500

.875

.167

.167

.750

temperat.

hot

mild

cool

hot

mild

cool

outlook

sunny

overcast

rainy

sunny

overcast

rainy

windy

play

yes

yes

yes

no

no

no

windy

false

.500

.500

.125

.375

.500

.833

true

.500

.500

.875

.625

.500

.167

outlook

sunny

overcast

rainy

sunny

overcast

rainy

Figure 6.21Another Bayesian network for the weather data.