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: Google Analytics, Data-Driven Marketing, Marketing Analytics, Email Automation, Dashboard Creation, Data-Driven Decision-Making, Web Analytics, Dashboard, Content Scheduling, Geospatial Information and Technology, Marketing, Data Analysis
★ 4.6 (275) · Beginner · Guided Project · Less Than 2 Hours

Skillshare
Skills you'll gain: Layout Design, Interactive Design, UI/UX Strategy, User Experience, Persona (User Experience), User Flows, Graphic and Visual Design, Digital Design, Data Sharing, Design Reviews, Design Software, Version Control
★ 4.3 (36) · Beginner · Specialization · 3 - 6 Months

MedCerts
Skills you'll gain: Positive Behavior Support, Speech Therapy, Behavior Management, Autism Spectrum Disorders, Education and Training, Communication Strategies, Social Skills, Interpersonal Communications, Mental and Behavioral Health, Teaching, Communication, Learning Theory, Child Development, Classroom Management, Training Programs, Instructional Strategies, Developmental Disabilities, Proactivity, Data Collection, Learning Strategies
★ 4.7 (24) · Beginner · Specialization · 1 - 3 Months

28DIGITAL
★ 4.5 (116) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI API, Agentic Workflows, LLM Application, Artificial Intelligence, AI Integrations, User Interface (UI), Python Programming, Context Management, Development Environment
★ 4.5 (81) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Data Integrity, Encryption, Authentications, Key Management, Data Security, Public Key Cryptography Standards (PKCS), Digital Communications
★ 4.6 (100) · Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Planning, Professional Networking, Market Opportunities, Lifelong Learning, Goal Setting, Professional Development, Personal Development, Market Research, Cognitive flexibility, Adaptability, Personal Attributes, Self-Awareness, Market Trend, Market Analysis, Creative Thinking, Decision Making, Gap Analysis, Trend Analysis
★ 4.1 (53) · Beginner · Course · 1 - 3 Months

Accenture
Skills you'll gain: Conflict Management, Growth Mindedness, Emotional Intelligence, Lifelong Learning, Critical Thinking, Active Listening, Decision Making, Problem Solving, Communication, Communication Strategies, Stress Management, Adaptability, Complex Problem Solving
★ 4.6 (27) · Beginner · Course · 1 - 4 Weeks

Banco Interamericano de Desarrollo
Skills you'll gain: Project Risk Management, Risk Management, Risk Analysis, Risk Management Framework, Risk Mitigation, Risk Control, Project Design, Continuous Monitoring, Project Management, Project Planning, Decision Making, Prioritization
★ 4.9 (104) · Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Data Ethics, Exploratory Data Analysis, Data-Driven Decision-Making, Logistic Regression, Statistical Modeling, R (Software), Web Scraping, Ggplot2, Model Evaluation, Statistical Reporting, Data Visualization Software, Predictive Modeling, Tidyverse (R Package), Data Visualization, Responsible AI, Data Transformation, R Programming, Data Science, Data Wrangling, Version Control
★ 4.7 (40) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Open Source Technology, Package and Software Management, Unit Testing, R (Software), GitHub, Version Control, Rmarkdown, Cross Platform Development, Software Versioning, Software Documentation, Test Case, Testability, R Programming, Code Reusability, Knitr, Continuous Integration, Program Development, Build Tools, Git (Version Control System), Development Testing
★ 4.1 (223) · Intermediate · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Prioritization, Strategic Prioritization, Root Cause Analysis, Critical Thinking and Problem Solving, Complex Problem Solving, Strategic Thinking, Responsible AI, Strategic Leadership, Systems Thinking, Strategic Decision-Making, Leadership, Initiative and Leadership, Critical Thinking, AI Enablement, Leadership Development, Analysis, Business Solutions, Decision Making, Ideation, Artificial Intelligence
★ 4.9 (16) · Beginner · Course · 1 - 4 Weeks