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.

Coursera
Skills you'll gain: Brand Awareness, Brand Management, Canva (Software), Brand Strategy, Branding, Brand Marketing, Logo Design, Social Media, Social Media Strategy, Social Media Campaigns, Target Audience, Social Media Marketing, Style Guides, AI Personalization, Email Marketing, Data Presentation, Digital Marketing, Generative AI, Marketing Analytics, Content Creation
Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Probability & Statistics, Analytical Skills, Exploratory Data Analysis, Estimation, Logistic Regression
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, OpenAI API, LLM Application, OpenAI, Model Context Protocol, Generative AI Agents, Agentic systems, Tool Calling, Prompt Engineering, ChatGPT, Artificial Intelligence, Application Programming Interface (API), User Interface (UI), Context Management, Large Language Modeling, Python Programming, Development Environment, Application Deployment, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kibana, Dashboard, Interactive Data Visualization, Data Visualization, Data Visualization Software, Grafana, Graphing, Data Analysis, Splunk, Real Time Data, Anomaly Detection, Applied Machine Learning, Time Series Analysis and Forecasting, Query Languages, SQL, Role-Based Access Control (RBAC), Qualitative Research
Beginner · Course · 1 - 3 Months
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

Universidad Nacional Autónoma de México
Skills you'll gain: Scientific Methods, Creative Thinking, Research, Critical Thinking, Independent Thinking, Social Sciences, Decision Making, Analysis, Dealing With Ambiguity, Cultural Diversity, World History
Mixed · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Target Audience, Marketing Psychology, Digital Media Strategy, Target Market, Paid media, Marketing Analytics, Social Media Campaigns, Persona Development, Marketing, Google Analytics, Social Media, Storytelling, Content Strategy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Customer experience strategy (CX), Marketing Effectiveness, Growth Strategies, Marketing Analytics, Customer Insights, Cross-Functional Collaboration, Strategic Marketing, Marketing Strategies, Business Leadership, Marketing Management, Brand Strategy, Data-Driven Decision-Making, Performance Measurement, Innovation, Thought Leadership, Integrated Marketing Communications, Team Motivation
Intermediate · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Data Science, Data Strategy, Internet Of Things, AI Product Strategy, Analytics, Big Data, Data Collection, Artificial Intelligence, Descriptive Analytics, Artificial Intelligence and Machine Learning (AI/ML), Predictive Analytics, Process Optimization, Process Improvement and Optimization, Cloud Computing, Operations, Marketing, Operational Efficiency, Customer Service, User Experience, Prototyping
Mixed · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Delegation Skills, Supervision, Management Training And Development, Leadership Development, Team Leadership, Leadership, Organizational Leadership, Team Motivation, Strategic Leadership, Personal Development, Coordination, Business Management, Decision Making, Coaching
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Dashboard, Data Visualization, Spreadsheet Software, Data Presentation, Excel Formulas, Stakeholder Communications, Project Coordination, Project Management, Technical Communication, Operational Efficiency, Project Planning, Prioritization, Data-Driven Decision-Making, Scheduling, Performance Analysis, Automation
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Policy Development, Cyber Governance, Governance, Policty Analysis, Research, and Development, Data Governance, Public Policies, Regulation and Legal Compliance, Policy Analysis, Artificial Intelligence, Governance Risk Management and Compliance, Artificial Intelligence and Machine Learning (AI/ML), Business Ethics, Economics, Policy, and Social Studies, Social Impact, Generative AI Agents, Generative AI, Business Economics
Beginner · Course · 1 - 3 Months