Trees Courses and Certifications

StatQuest with Josh Starmer

Classification Trees in Python from Start to Finish

Build and optimize a heart disease classification tree in Python using missing-data handling, one-hot encoding, and cost-complexity pruning.

• YouTube
• 1 hour 6 minutes
• Self-Paced
• Free Video

StatQuest with Josh Starmer

Regression Trees, Clearly Explained

Explains how regression trees model nonlinear relationships by choosing data-splitting thresholds that minimize squared residuals.

• YouTube
• 23 minutes
• Self-Paced
• Free Video

Unreal Engine

Unreal Engine AI with Behavior Trees

Build stealth-like enemy AI in Unreal Engine with Behavior Trees, AI Perception, and Environment Query System queries.

• YouTube
• 27 minutes
• Self-Paced
• Free Video

Photoshop Training Channel

Powerful Techniques to Cut Out Trees in Photoshop - Without Halos or Fringing

Three Photoshop techniques for cutting out trees with clean masks, transparency, and custom brushes—without halos or fringing.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

PiXimperfect

Remove Fringes Around Trees During Sky Swap - Photoshop Tutorial

Remove tree-branch fringes during Photoshop sky replacement using color matching and blending modes.

• YouTube
• 21 minutes
• Self-Paced
• Free Video

Coursera Career Certificate

Level Up: Java-Powered Machine Learning

Build production ML systems in Java: apply SOLID design, optimize JVM memory, implement decision trees, entropy models and ensemble methods with Weka, Deeplearning4j, Maven and Gradle.

• Coursera
• 8 weeks, 10 hours a week
• Self-Paced
• Paid Course
• 15 courses

Coursera

Solve Tree Problems with Java Recursion

Build stack-safe tree algorithms in Java: trace recursive binary tree traversals, refactor them into Stack- and Queue-based iterative versions, and mitigate stack overflow at scale.

• Coursera
• 3 weeks, 1 hour a week
• Self-Paced
• Paid Course

Abhishek Thakur

What Are Decision Trees and How Do They Work - From Scratch

Build decision trees from scratch for classification and regression, using impurity measures and comparing the result with scikit-learn.

• YouTube
• 50 minutes
• Self-Paced
• Free Video

Strange Loop Conference

Exotic Functional Data Structures - Hitchhiker Trees

Explores Hitchhiker trees, a functionally persistent fractal-tree design for efficient immutable updates and off-heap application state.

• YouTube
• 41 minutes
• Self-Paced
• Conference Talk

GDC

AI Arborist - Proper Cultivation and Care for Your Behavior Trees

A GDC talk on extending and coordinating behavior trees through decorators, interruptions, prioritization, messaging, locking, and external planning.

• YouTube
• 59 minutes
• Self-Paced
• Conference Talk

Raw Coding

C# Expression Trees Explained - Reading and Creating Examples

Learn how C# expression trees represent code as nodes, and how to read, create, and manipulate them with the expression API.

• YouTube
• 37 minutes
• Self-Paced
• Free Video

Greg Benz Photography

Refine Mask Tool for Beautiful Trees When Blending Exposures

Learn to refine mask edges around trees and skylines for a clean sunset exposure blend in Photoshop.

• YouTube
• 24 minutes
• Self-Paced
• Free Video

Unreal Engine

Hero AI – Gameplay Abilities Meet Behavior Trees

See how Unreal Engine gameplay abilities and behavior trees coordinate heroes’ automatic targeting, prioritization, and ability use.

• YouTube
• 35 minutes
• Self-Paced
• Free Video

NDC Conferences

Using C# Expression Trees in the Real World

Explore how C# expression trees represent, build, and translate LINQ queries, powering tools such as Entity Framework and AutoMapper.

• YouTube
• 51 minutes
• Self-Paced
• Conference Talk

Decision Trees and Ensemble Methods

Learn how decision trees evolve into ensemble models through CART, bagging, random forests, boosting, and implementations with scikit-learn, XGBoost, LightGBM, and CatBoost.

• YouTube
• 2 hours 30 minutes
• Self-Paced
• Free Video