Decision Tree Builder

Build classification and regression trees from data. Visualize splits, feature importance, and decision boundaries step by step.

Dataset

Split Criterion

Max Depth: 5

Min Samples / Leaf: 1

Min Impurity Decrease: 0.000

CART / ID3 algorithm implemented from scratch — no ML libraries. Supports Gini impurity, information gain (entropy), and variance reduction. All computation runs entirely in your browser.