Decision tree courses can help you learn how to create, interpret, and optimize decision trees for data analysis, classification, and regression tasks. You can build skills in feature selection, model evaluation, and understanding overfitting versus underfitting. Many courses introduce tools like Python's scikit-learn, R's rpart, and various visualization software, that support implementing decision trees and analyzing their performance in real-world datasets.

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Presentation, Data Literacy, Matplotlib, Data Synthesis, Probability Distribution, Data Processing, Probability & Statistics, Data Integration, Performance Analysis, Statistical Analysis, LLM Application, Probability, Applied Machine Learning, Analysis, Descriptive Analytics, Reinforcement Learning, Business Analytics, Statistical Methods, Data Collection, Machine Learning
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Meeting Facilitation, Virtual Teams, Brainstorming, Taking Meeting Minutes, Discussion Facilitation, Leadership, Team Leadership, Team Building, Organizational Effectiveness, Leadership Development, Team Motivation, Conflict Management, Verbal Communication Skills, Goal Setting, Smart Goals, Decision Making, Active Listening, Productivity, Interpersonal Communications, Communication
Mixed · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Responsible AI, Artificial Intelligence, Data Ethics, AI literacy, digital literacy, Machine Learning
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Data-Driven Marketing, Marketing Analytics, Personalized Campaigns, Email Marketing, Campaign Management, Target Audience, Social Media Marketing, AI Personalization, Digital Marketing, Email Automation, Content Optimization, Generative AI Agents, Performance marketing, Content Creation, AI Integrations, Data Ethics, Real Time Data, Content Strategy, AI Workflows, Automation
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Apache Maven, Build Tools, Software Development Tools, Version Control, Software Versioning, Computer Programming Tools, Software Configuration Management, Software Engineering Tools, Apache, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: GitHub, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Git (Version Control System), HTML and CSS, Web Design and Development, Web Development, Web Development Tools, Web Design, Front-End Web Development, Web Content Accessibility Guidelines, Debugging, Semantic Web, Web Analytics and SEO
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Quality Management, Project Closure, Team Management, Management Training And Development, Quality Management Systems, Team Leadership, Leadership Studies, Project Management, Team Performance Management, Product Quality (QA/QC), Project Management Life Cycle, Data-Driven Decision-Making, Project Implementation, Quality Assessment, Quality Monitoring, Project Controls, Data Storytelling, Project Documentation, Project Risk Management, Project Performance
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Negotiation, Communication Strategies, Professionalism, Performance Analysis, Professional Development, Organizational Skills, Persona Development
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Linux Commands, Shell Script, Unix Commands, Operating System Administration, Systems Administration, System Programming, File I/O, Peripheral Devices, Data Management, Software Development, Process Management, Computer Security
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of London
Skills you'll gain: Project Risk Management, Risk Analysis, Risk Mitigation, Agile Project Management, Information Technology, Agile Software Development, Stakeholder Analysis, Case Studies, Team Leadership, Project Coordination, Team Building, Stakeholder Communications, Governance, Resource Allocation, Communication Planning, Decision Making
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard Creation, Dashboard, Data Modeling, Business Intelligence, Data Access, Microsoft Copilot, Data Integration, Interactive Data Visualization, Data-Driven Decision-Making, Performance Reporting, Data Transformation, Data Cleansing, ChatGPT, Model Optimization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Computer Programming, Computational Thinking, Program Development, Programming Principles, Debugging, Problem Solving, C++ (Programming Language), Python Programming, Computational Logic
Intermediate · Course · 3 - 6 Months