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: Surveys, Survey Creation, Market Research, Sampling (Statistics), Business Research, Research Methodologies, Research Design, Case Studies, Statistical Hypothesis Testing, Marketing, Quantitative Research, Data-Driven Marketing, Marketing Strategies, Marketing Analytics, Statistical Methods, Consumer Behaviour, Market Analysis, Data Collection, Data Analysis, Business Analytics
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Responsible AI, Data Ethics, Decision Intelligence, Accountability, AI literacy, Business Ethics, Organizational Strategy, AI Product Strategy
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Ethics, Market Research, Data Collection, Advanced Analytics, Market Analysis, Research Reports, Business Research, R Programming, Statistical Analysis, Data Presentation, Presentations, Customer Analysis, Data Analysis, Quantitative Research, Report Writing, Dashboard Creation, Project Design, Strategic Thinking, Data-Driven Decision-Making, Data Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Cloud Deployment, Interactive Data Visualization, Data Visualization, Cloud Applications, Performance Tuning, Dashboard Creation, R (Software), Web Applications, Application Development, Frontend Performance, R Programming, Event-Driven Programming, Dashboard, Exploratory Data Analysis, Driving engagement, UI Components, User Interface (UI) Design, Data Analysis, File I/O
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Supervised Learning, Feature Engineering, Model Training, Applied Machine Learning, Machine Learning Methods, Model Optimization, Machine Learning, Machine Learning Algorithms, Random Forest Algorithm, Regression Analysis, Classification Algorithms, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sampling (Statistics), Data Literacy, Statistical Visualization, Data Visualization, Data Analysis, Descriptive Statistics, Box Plots, Statistics, Plot (Graphics), Statistical Methods, Data Analysis Software, Statistical Analysis, Probability & Statistics, Statistical Programming, Data Visualization Software, Business Analytics, Statistical Software, Data Presentation, Exploratory Data Analysis, Analytics
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Prompt Engineering, Prompt Patterns, Amazon Bedrock, Token Optimization, Prompt Engineering Tools, Rust (Programming Language), Agentic Workflows, AI Workflows, Natural Language Processing, Tool Calling, LLM Application, AI Orchestration, Large Language Modeling, Generative AI, Data Pipelines, Command-Line Interface, Agentic systems, Version Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Business Ethics, Responsible AI, Ethical Standards And Conduct, Legal Risk, Sustainable Development, Law, Regulation, and Compliance, Medical Privacy, Information Privacy, Artificial Intelligence and Machine Learning (AI/ML), Decision Making, Artificial Intelligence, Accountability, Business Strategy, Safety and Security, Emerging Technologies, Human Centered Design
Mixed · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Vulnerability Scanning, Incident Response, Vulnerability Assessments, Cloud Security, Threat Management, Endpoint Security, Cyber Threat Intelligence, Risk Management, Risk Management Framework, Incident Management, Vulnerability Management, Cyber Security Assessment, Intrusion Detection and Prevention, Threat Detection, Cloud Computing, Security Strategy, Cyber Security Strategy, Cybersecurity, Network Security, Cryptography
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Risk, Risk Modeling, Risk Analysis, Hedge Accounting, Risk Management, Investment Management, Portfolio Management, Risk Management Framework, Performance Stress Testing, Market Liquidity, Investments, Financial Services, Correlation Analysis, Case Studies, General Finance, International Finance, Statistical Methods
Mixed · Course · 1 - 3 Months

CertNexus
Skills you'll gain: Artificial Intelligence, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Business Requirements, Decision Intelligence, Business Strategy, Technology Strategies, Data Ethics, Process Improvement, Process Improvement and Optimization, Environmental Social And Corporate Governance (ESG), Cloud Computing, Process Optimization, User Experience, Customer Service, Big Data, Data Security, Operational Efficiency, Marketing, Data Quality
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Global Marketing, Market Research, Data Collection, Competitive Analysis, Market Analysis, Business Research, Quantitative Research, Market Data, Marketing, Market Intelligence, Research Methodologies, Data-Driven Decision-Making, Business Marketing, Cultural Sensitivity, Cultural Diversity, Data Analysis
Mixed · Course · 1 - 4 Weeks