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.

Northeastern University
Skills you'll gain: Data Storytelling, Data Literacy, Data Visualization, Statistical Visualization, Data-Driven Decision-Making, Data Visualization Software, Plot (Graphics), Data Preprocessing, Data Mining, Exploratory Data Analysis, Data Cleansing, Data Processing, Unstructured Data, Graphing, Big Data, Programming Principles, Python Programming, NumPy, Computer Programming
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Application Deployment, GitHub, Version Control, Continuous Delivery, Git (Version Control System), Test Automation, Automation, Key Management, Software Quality Assurance
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Statistical Visualization, Seaborn, Data Visualization, Data-Driven Decision-Making, Exploratory Data Analysis, Data Presentation, Plot (Graphics), Data Visualization Software, Descriptive Statistics, Pandas (Python Package), Data Analysis, Statistics, Statistical Analysis, Data Manipulation, Correlation Analysis, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Framework, Version Control, Spring Boot, Hibernate (Java), Object-Relational Mapping, GitHub, Git (Version Control System), Java Programming, Java, Software Configuration Management, Software Documentation, Development Environment, JUnit, Restful API, Application Performance Management, Model View Controller, Back-End Web Development, User Accounts, Authentications, Application Programming Interface (API)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Consultative Selling, Closing (Sales), Sales Management, Verbal Communication Skills, Communication, Sales Prospecting, Sales Strategy, Consumer Behaviour, Selling Techniques, Sales, Marketing Psychology, Overcoming Objections, Communication Strategies, Initiative and Leadership, Customer Analysis, Sales Presentations, Regional Sales, Prospecting and Qualification, Sales Process, Sales Support
Beginner · Specialization · 1 - 3 Months

HubSpot Academy
Skills you'll gain: Sales Presentation, Sales Presentations, Sales Enablement, Sales Management, HubSpot CRM, Persona Development, Data Visualization, Prospecting and Qualification, Sales Training, Technical Sales, Sales Strategy, Sales Pipelines, Sales Process, Customer Relationship Building, Lead Generation, Target Audience, Data-Driven Decision-Making, Sales, General Sales Practices, Customer Acquisition Management
Beginner · Professional Certificate · 3 - 6 Months

IE Business School
Skills you'll gain: Strategic Decision-Making, Corporate Strategy, Strategic Thinking, Value Propositions, Strategic Sourcing, Business Strategies, Business Strategy, Supply Chain, Organizational Strategy, Strategic Partnership, Decision Making, Cost Benefit Analysis, Operational Efficiency, Supplier Management, Purchasing, Consolidation
Beginner · Course · 1 - 4 Weeks

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

Universidades Anáhuac
Skills you'll gain: R (Software), R Programming, Plot (Graphics), Statistical Programming, Statistical Analysis, Correlation Analysis, Data-Driven Decision-Making, Business Analytics, Graphing, Decision Making, Statistical Methods, Analytics, Analysis, Data Analysis, Statistical Visualization, Unsupervised Learning, Business Analysis, Exploratory Data Analysis, Data Analysis Software, Advanced Analytics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Working Capital, Equities, Capital Expenditure, Business Valuation, Accounts Receivable, Cash Flows, Risk Analysis
Mixed · Course · 1 - 4 Weeks

MedCerts
Skills you'll gain: Information Management, Medical Management, Care Coordination, Health Care Administration, Data Ethics, Healthcare Ethics, Information Privacy, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Statement Analysis, Working Capital, Credit Risk, Financial Analysis, Financial Statements, Risk Modeling, Financial Modeling, Financial Data, Risk Analysis, Analysis, Risk Management, Cash Flows, Income Statement, Balance Sheet, Business Metrics, Trend Analysis, Bankruptcies
Beginner · Course · 1 - 3 Months