A Complete Guide to Decision Tree Formation and Interpretation in Machine Learning

Table of Content

Important Definitions

Homogeneous and Heterogeneous Data Node in Decision Tree
Homogeneous and Heterogeneous Data node in Decision Tree | Source Website: www.ashutoshtripathi.com
Entropy of Homogeneous data nodes in decision tree
Source Website: www.ashutoshtripathi.com
Entropy in Decision Tree
Entropy in Decision Tree | Source Website: www.ashutoshtripathi.com
Entropy Forumla
Entropy Formula
Decision Tree Outlook Dataset | source website: www.ashutoshtripathi.com
Entropy Calculation for different data nodes in Decision Tree | Source : www.ashutoshtripathi.com
Information Gain Formula in Decision Tree | source: www.ashutoshtripathi.com
Information Gain Info graphic Decision Tree | Source: www.ashutoshtripathi.com
Gini Formula in Decision Tree | Source: www.ashutoshtripathi.com
Gini calculation for outlook column in decision tree | source: www.ashutoshtripathi.com
Gini Impurity calculation example | source: www.ashutoshtripathi.com
weighted gini impurity in decision tree example | source: www.ashutoshtripathi.com

Reduction in Variance or Standard Deviation Reduction — SDR

outlook Dataset for decision tree | image source: google images
image source: google images
image source: www.ashutoshtripathi.com
weighted standard deviation calculation in decision tree regression | source: www.ashutoshtripathi.com
Standard Deviation Reduction in regression decision tree | source: www.ashutoshtripathi.com

Understand different nodes in Decision Trees

Different Algorithms used to build Decision Tree

Decision Tree for Classification Problems

Decision Tree formation step by step explanation

Complete Code to build Decision Tree for classification using Python

Decision Tree for Regression

--

--

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store