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.

Illinois Tech
Skills you'll gain: Business Strategy, Competitive Analysis, Strategic Thinking, Business Strategies, Corporate Strategy, Innovation, Organizational Strategy, Market Dynamics, Market Analysis, Resource Management, Value Propositions, Strategic Decision-Making, Market Opportunities, Business Analysis, Case Studies
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Credit Risk, Financial Statement Analysis, Risk Modeling, Working Capital, Financial Analysis, Financial Statements, Financial Modeling, Financial Data, Risk Management, Risk Analysis, Bank Regulations, Lending and Underwriting, Commercial Lending, Analysis, Cash Flows, Income Statement, Balance Sheet, Regulatory Compliance, Financial Regulation, Corporate Finance
Beginner · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Devops Tools, Development Environment, Software Development Tools, Software Development Methodologies, CI/CD, DevOps, IT Automation, Continuous Deployment, Version Control, Continuous Integration, Network Engineering, Program Development, Docker (Software), Network Infrastructure, Containerization, Software Development, Virtual Environment, Git (Version Control System), Waterfall Methodology, Software Design
Intermediate · Course · 1 - 4 Weeks

Lecturio
Skills you'll gain: Molecular Biology, Biochemistry, Cell Biology, Molecular, Cellular, and Microbiology, Life Sciences, Pharmacology, Biology
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: SAS (Software), Case Studies, Data-oriented programming, Data-Driven Decision-Making, Scripting, Automation, Statistical Programming, Data Manipulation, Code Reusability, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Git (Version Control System), Version Control, Software Versioning, Software Development Tools, Collaborative Software, Software Development, Software Engineering, Project Management
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Prompt Engineering, ChatGPT, Data Validation, LLM Application, Data Analysis, OpenAI, Data-Driven Decision-Making, Analytical Skills
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, AI Workflows, AI Orchestration, OpenAI, Model Deployment, LLM Application, Agentic Workflows, Generative AI Agents, AI Integrations, Embeddings, Cloud Deployment, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment, Decision Intelligence, Agentic systems, Prompt Engineering, Application Programming Interface (API), Responsible AI
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Technology, Telehealth, Health Systems, Healthcare Industry Knowledge, Health Care, Medicaid, Medical Terminology, Health Policy, Health Informatics, Managed Care, Digital Transformation, Entrepreneurship, Payment Systems, Medicare, Health Equity, Social Determinants Of Health, Payment Processing, Value-Based Care, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Analytics, Data-Driven Marketing, Conversion Funnel Analysis, Marketing Effectiveness, Smart Goals, Web Analytics and SEO, Google Ads, Web Analytics, Digital Analysis, Marketing Analytics, Search Engine Optimization, Marketing Strategies, Customer Insights, Campaign Management, Performance Reporting, Target Audience, Business Reporting, Key Performance Indicators (KPIs), Performance Analysis, Data-Driven Decision-Making
Beginner · Specialization · 3 - 6 Months

American Psychological Association
Skills you'll gain: Behavior Management, Social Studies, Psychology, Sociology, Social Sciences, Decision Intelligence
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Predictive Modeling, Data Visualization, Predictive Analytics, Statistical Analysis, Data Literacy, Data Manipulation, Data Analysis, Data Storytelling, Data Science, Statistical Methods, Data Visualization Software, Statistics, Data Wrangling, Data Cleansing, Data Preprocessing, Data-Driven Decision-Making, Business Analytics, Model Evaluation, Data Collection, Machine Learning
Beginner · Course · 1 - 4 Weeks