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.
University of Illinois Urbana-Champaign
Skills you'll gain: Entrepreneurship, Strategic Decision-Making, Innovation, Creativity, Team Management, Creative Problem-Solving, Ideation, Technology Strategies, Creative Thinking, Business Modeling, Strategic Thinking, Value Propositions, Collaboration, Business Planning, Strategic Planning, New Product Development, Cognitive flexibility, Entrepreneurial Finance, Open Mindset, Leadership
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Management, Serverless Computing, Google Cloud Platform, Digital Transformation, Data Governance, Cloud Services, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Cloud Infrastructure, Data Strategy, Application Programming Interface (API), Cloud Solutions, Real Time Data, Business Transformation, Data Management, Hybrid Cloud Computing, Data Warehousing, AI Enablement, Artificial Intelligence, Data Security
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Site Reliability Engineering, Scalability, Performance Analysis, Data Maintenance, Analytics, Event Monitoring, Service Level Agreement, System Support, Performance Review
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Financial Modeling, Responsible AI, AI Security, Financial Forecasting, Financial Statements, Depreciation, Business Ethics, Balance Sheet, Capital Budgeting, Artificial Intelligence, Strategic Decision-Making, Data Management, Information Privacy, Financial Analysis, Excel Formulas, Ethical Standards And Conduct, Finance, Business Strategy, Business
Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Responsible AI, AI Security, Data Ethics, Governance, Data Governance, Law, Regulation, and Compliance, Ethical Standards And Conduct, Compliance Training, Artificial Intelligence, Business Ethics, Compliance Management, Accountability, Regulatory Requirements, Governance Risk Management and Compliance, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Excel Formulas, Data Presentation, Data Visualization Software, Data Analysis, Microsoft Office, Microsoft 365, Data Entry, Data Manipulation, Productivity Software, Data Management, Document Management, User Interface (UI)
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Agentic systems, Generative AI Agents, AI Workflows, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Emerging Technologies, Business Ethics, Social Impact, Problem Solving, Analysis, Business Planning
Beginner · Course · 1 - 3 Months

Cleveland Clinic
Skills you'll gain: Machine Learning Methods, Machine Learning, Machine Learning Algorithms, Healthcare Industry Knowledge, Health Informatics, Applied Machine Learning, Clinical Informatics, Health Care, Supervised Learning, Clinical Experience, Emerging Technologies, Artificial Intelligence, Reinforcement Learning, Data-Driven Decision-Making, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Planning, Marketing Strategies, Marketing Effectiveness, Marketing Analytics, Marketing Automation, Budgeting, Customer Analysis, AI Enablement, Customer Insights, Goal Setting, Key Performance Indicators (KPIs), Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Threat Modeling, MITRE ATT&CK Framework, Threat Detection, Intelligence Collection and Analysis, Report Writing, Technical Communication, Cybersecurity, Data Storytelling, Verbal Communication Skills, Vulnerability Assessments, Incident Response, Risk Analysis, Communication, Infrastructure Security, Analysis, Stakeholder Communications
Intermediate · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Econometrics, Time Series Analysis and Forecasting, Regression Analysis, Logistic Regression, Data Analysis, Trend Analysis, Statistical Analysis, Statistical Modeling, Statistics, Case Studies, Forecasting, Model Evaluation, Probability, Linear Algebra
Mixed · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Prompt Engineering, Debugging, Claude Code, Responsible AI, Verification And Validation, ChatGPT, Artificial Intelligence, Software Testing
Mixed · Course · 1 - 4 Weeks