Max depth depth ≤ 5 Gini = 1 − Σ pₖ²

▶ Grow ⏭ Split ⟲ ⤮ New data Gini ☰ leaves 1 depth 0 acc —

impurity = —   nodes = 1 click adds a point · ⇧/right-click cycles class · Space grow · S split · R reset · N new