Let’s say that you further split the left partition on a1 = 1.5, 4.5. You get the following tree on splitting. What is the approximate Gini index of the partitions obtained after splitting on a1 =...

Let’s say that you further split the left partition on a1 = 1.5, 4.5. You get the following tree on splitting.

Extracted text: a2 < 20="" (15,="" 15)="" yes="" no="" a1="1.5," 4.5="" (13,="" 5)="" (2,="" 10)="" yes="" no="" (1,="" 5)="" (12,="">