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.

University of Pennsylvania
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Tableau Software, Presentations, Interactive Data Visualization, Verbal Communication Skills, Data Analysis, Pivot Tables And Charts, Scatter Plots, Stakeholder Communications, Spatial Analysis, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), GitHub, Data Literacy, Version Control, Data Analysis, Big Data, R Programming, Git (Version Control System), Statistical Programming, Data Quality, Data Management
Mixed · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Classification Algorithms, Model Evaluation, Machine Learning Algorithms, Logistic Regression, Predictive Modeling, Applied Machine Learning, Supervised Learning, Analytics, Business Metrics, Feature Engineering, Machine Learning, Scikit Learn (Machine Learning Library), Performance Metric, Data Visualization, Exploratory Data Analysis
Advanced · Course · 1 - 3 Months

University of Virginia
Skills you'll gain: Marketing Analytics, Marketing Effectiveness, Data-Driven Decision-Making, Marketing Strategies, Brand Management, Marketing, Regression Analysis, Analytics, Customer Retention, Consumer Behaviour, Return On Investment, Statistical Analysis, A/B Testing
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Strategic Sourcing, Supply Chain Management, Procurement, Logistics, Supply Chain Planning, Transportation, Supply Chain, and Logistics, Supplier Management, Corporate Sustainability, Risk Management, Decision Making
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Autoencoders, Recurrent Neural Networks (RNNs), Deep Learning, Artificial Neural Networks, Reinforcement Learning, Generative AI, Generative Adversarial Networks (GANs), Unsupervised Learning, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Data Ethics, Markov Model
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Trigonometry, Probability, Data Analysis, Algebra, Probability Distribution, Descriptive Statistics, Mathematical Modeling, Graphing, Statistics, Geometry, Arithmetic
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Sales Strategy, Sales Process, Anthropic Claude, Sales, Sales Development, Sales Pipelines, Sales Management, Data-Driven Decision-Making, Inside Sales, AI Personalization, Customer Analysis, Customer Insights, Customer experience improvement, Market Analysis, Trend Analysis, Forecasting, Analysis, Market Trend
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Health Policy, Data Presentation, Health Disparities, Health Equity, Health Informatics, Data Literacy, Epidemiology, Data Quality, Public Health, Data-Driven Decision-Making, Policy Analysis, Data Analysis, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: LangGraph, Retrieval-Augmented Generation, Generative AI Agents, AI Orchestration, CrewAI, Agentic Workflows, AI Workflows, Agentic systems, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, Systems Integration, Tool Calling, Responsible AI, Large Language Modeling, Prompt Engineering, Human Factors (Security), Data Ethics, Context Management, Restful API
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Seaborn, Data Literacy, Plot (Graphics), Matplotlib, Scatter Plots, Statistical Visualization, Data Presentation, Data Visualization Software, Data Visualization, Box Plots, Exploratory Data Analysis, Data Storytelling, Data Processing, Data-Driven Decision-Making, Statistical Modeling, Statistical Analysis, Descriptive Statistics, Pandas (Python Package), NumPy, Python Programming
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Workflow Management, Construction Management, Project Scoping, Collaborative Software, Project Management, Project Planning, Project Management Software, Project Coordination, Project Controls, Project Schedules, Resource Allocation, Collaboration, Case Studies, Scheduling, Team Management, Automation, Budget Management, Budgeting
Intermediate · Course · 1 - 4 Weeks