Model validation courses can help you learn statistical techniques, performance metrics, overfitting prevention, and cross-validation methods. You can build skills in assessing model accuracy, understanding bias-variance tradeoffs, and implementing robust validation frameworks. Many courses introduce tools like R, Python, and specialized libraries such as scikit-learn and TensorFlow, that support applying these validation techniques to both traditional statistical models and those used in artificial intelligence (AI) applications.

Peking University
Skills you'll gain: Communication Strategies, Non-Verbal Communication, Communication, Strategic Communication, Team Building, Business Communication, Team Management, Internal Communications, Interviewing Skills, Interpersonal Communications, Negotiation, Public Speaking, Intercultural Competence, Cultural Diversity, Cultural Sensitivity
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Penetration Testing, Distributed Denial-Of-Service (DDoS) Attacks, MITRE ATT&CK Framework, Cryptography, Cyber Threat Intelligence, Cyber Threat Hunting, Cybersecurity, Cyber Security Assessment, Cyber Security Strategy, Computer Security, Threat Modeling, Security Testing, Secure Coding, Cyber Attacks, Cloud Infrastructure, Email Security, Security Controls, Security Awareness, Cyber Risk, Security Strategy
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Vibe coding, Model Context Protocol, Context Management, Context Engineering, AI Workflows, Integrated Development Environments, AI Integrations, Software Installation, Agentic Workflows, Code Review, System Configuration, Debugging, Generative AI Agents, Web Development Tools, Software Development, User Interface (UI), Web Development
Intermediate · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Preventative Care, Public Health and Disease Prevention, Research, Crisis Intervention, Research Methodologies, Epidemiology, Mental and Behavioral Health, Behavioral Health, Mental Health Diseases and Disorders, Science and Research, General Science and Research, Public Health, Mental Health, Mental Health Therapies
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Data Storytelling, Data Presentation, Storytelling, Microsoft Excel, Data Visualization, Data Analysis, Data Compilation, Data Cleansing, Data Import/Export, ChatGPT, Statistical Reporting, Data Integration, Data Transformation, Data Validation, Exploratory Data Analysis, Unstructured Data, Prompt Engineering, AI Integrations, Data Quality, Data Integrity
Beginner · Course · 1 - 4 Weeks

Stanford Online
Skills you'll gain: Diversity Awareness, Child Welfare, Pediatrics, Cultural Sensitivity, Working With Children, Family Support, Toileting, Human Development, Mental Health, Workplace inclusivity, Diversity Equity and Inclusion Initiatives, Health Equity, Child Development, Parent Communication, Child Health, Sociology, Health Disparities, Healthcare Ethics, Medical Support, Public Health
Beginner · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Model Based Systems Engineering, Digital Communications, Control Systems, Vibrations, Structural Analysis, Digital Transformation, Digital Analysis, Communication Systems, Mathematical Modeling, Engineering Design Process, Simulation and Simulation Software, Collaborative Software, Technology Strategies, Model Optimization, Conceptual Design
Intermediate · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Firewall, Network Support, Virtual Private Networks (VPN), Network Troubleshooting, Network Routing, Network Security, Routing Protocols, Intrusion Detection and Prevention, Authentications, Network Monitoring, Event Monitoring, Lightweight Directory Access Protocols, Technical Support and Services, Remote Access Systems, Network Administration, Security Engineering, Application Security, Cybersecurity, Computer Security, Cyber Security Strategy
Intermediate · Specialization · 3 - 6 Months

Columbia University
Skills you'll gain: Derivatives, Credit Risk, Securities (Finance), Financial Market, Portfolio Risk, Capital Markets, Risk Modeling, Risk Management, Portfolio Management, Financial Modeling, Mathematical Modeling, Probability Distribution, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Security, AI Integrations, Agentic Workflows, Responsible AI, Authorization (Computing), JSON, Agentic systems, Context Management, Requirements Elicitation, Application Servers
Intermediate · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Mental Health Diseases and Disorders, Substance Abuse, Clinical Psychology, Mental Health Therapies, Mental and Behavioral Health, Psychiatry, Trauma Care, Mental Health, Substance Abuse Counseling, Psychology, Cognitive Behavioral Therapy, Behavioral Health, Pharmacology, Diagnostic Tests, Psychological Evaluations, Neurology, Cultural Diversity, Patient Treatment, Epidemiology, Patient Evaluation
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, Network Routing, Network Routers, Computer Networking, Infrastructure Security, Routing Protocols, Public Key Infrastructure, Network Model, Cryptographic Protocols, Web Applications, Application Servers
Build toward a degree
Intermediate · Course · 1 - 3 Months