Information Technology Reference
In-Depth Information
a.
PETAL_LEN
d
>
4.99
4.99
PETAL_LEN
PETAL_WID
d
2.13
>
2.13
d
1.66
>
1.66
Set
PETAL_WID
Vir
PETAL_WID
d
>
1.62
1.62
d
1.71
>
1.71
Ver
SEPAL_WID
Ver
Vir
d
1.62
>
1.62
Vir
Ver
b.
PETAL_LEN
d
>
4.96
4.96
PETAL_LEN
PETAL_WID
d
d
2.81
>
2.81
1.53
>
1.53
Set
PETAL_WID
Vir
PETAL_WID
d
d
1.53
>
1.53
1.72
>
1.72
Ver
SEPAL_WID
SEPAL_LEN
Vir
d
>
d
>
3.14
3.14
6.96
6.96
Vir
Ver
Ver
Vir
Figure 9.17.
Fine-tuning solutions. The decision tree presented in
(a)
is a remote
ancestor of the perfect solution presented in
(b)
. The first DT has an accuracy of
99.33% and the second one is obviously 100% accurate.
