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.

Skills you'll gain: Java Programming, Programming Principles, Java, Data Structures, Program Development, Object Oriented Programming (OOP), Computer Programming, Debugging, Application Programming Interface (API), Database Application
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, GitHub, Bitbucket, Git (Version Control System), Unity Engine, Game Design, Video Game Development, 3D Assets, Animation and Game Design, Computer Graphics, Animations, Graphical Tools
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Generative AI Agents, Generative AI, Agentic systems, OpenAI, LangChain, Prompt Patterns, Tool Calling, LLM Application, Artificial Intelligence, Large Language Modeling, Responsible AI, Software Architecture, Scalability, Application Deployment, System Design and Implementation, Collaboration, Data Integration, Job Evaluation, Logical Reasoning
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Governance, Extract, Transform, Load, Data Warehousing, Data Integration, DevOps, Data Pipelines, CI/CD, Data Architecture, Infrastructure as Code (IaC), Data Quality, Amazon Redshift, Cloud Computing, Database Architecture and Administration, Cloud Computing Architecture, Analytics, Data Transformation, Amazon S3, Scalability
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Personalization, Business Logic, Application Development, Computational Logic, C# (Programming Language), Computer Programming, Programming Principles, Data Structures
Beginner · Course · 1 - 4 Weeks

University of Huddersfield
Skills you'll gain: Leadership and Management, Organizational Strategy, Leadership Development, Strategic Thinking, Strategic Leadership, Organizational Effectiveness, Business Management, Business Strategies, Case Studies, Business Strategy, Self-Awareness, Decision Making, Goal Setting, Analysis
Beginner · Course · 1 - 4 Weeks

H2O.ai
Skills you'll gain: LLM Application, Large Language Modeling, AI Product Strategy, Generative AI, Web Applications, Artificial Intelligence, Prompt Engineering, Agentic systems, Information Architecture, Application Programming Interface (API), Automation, Data Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Sales Presentation, Overcoming Objections, Value Propositions, Presentations, Solution Sales Engineering, Sales, Sales Process, Verbal Communication Skills, Influencing, Negotiation, Communication, Consumer Behaviour, Public Speaking, Interviewing Skills, Customer Insights, Rapport Building
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Trend Analysis, Predictive Modeling, Regression Analysis, Data-Driven Decision-Making, Machine Learning, Supervised Learning, Business Analytics, Analytics, Statistical Modeling, Case Studies, Algorithms
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Excel Macros, Financial Modeling, Prompt Engineering, Financial Forecasting, Generative AI, Automation, Process Optimization, General Finance, Microsoft Excel, Excel Formulas, Simulation and Simulation Software, Visual Basic (Programming Language), Financial Reporting, Auditing, Financial Planning, Debugging
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Continuous Integration, CI/CD, Jenkins, Test Automation, Continuous Delivery, Continuous Deployment, Agile Software Development, Unit Testing, DevSecOps, Integration Testing, Software Development, Software Testing, Git (Version Control System), Application Security, Version Control
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Integration, Data Modeling, Data Architecture, Star Schema, Data Governance, Database Design, Data Mart, SQL, Relational Databases, Business Intelligence, Data Mining, Data Quality, Data Analysis
Mixed · Course · 1 - 3 Months