Data wrangling courses can help you learn data cleaning, transformation techniques, and data integration methods. You can build skills in handling missing values, reshaping datasets, and merging data from multiple sources. Many courses introduce tools such as Python libraries like Pandas and NumPy, as well as SQL for database management, showing how these skills streamline data preparation for analysis and visualization.

Wesleyan University
Skills you'll gain: Psychosocial Assessments, Psychiatry, Pharmacotherapy, Clinical Psychology, Mental Health Diseases and Disorders, Pharmacology, Psychiatric Assessments, Psychotherapy, Psychology, Mental Status Examination, Psychological Evaluations, Mental Health Therapies, Patient Evaluation, Neurology, Scientific Methods, Magnetic Resonance Imaging, Research Methodologies, Medical Imaging, Case Studies, Patient Communication
★ 4.8 (2.5K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Convolutional Neural Networks, Model Training, Data Preprocessing, Image Analysis, Predictive Modeling, Deep Learning, Keras (Neural Network Library), Tensorflow, Data Processing, Model Optimization, Computer Vision, Artificial Neural Networks, Recurrent Neural Networks (RNNs), Data Transformation, Financial Forecasting, Applied Machine Learning, Feature Engineering, Statistical Visualization, Python Programming
★ 4.6 (47) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Project Management Software, Collaborative Software, Spreadsheet Software, Project Coordination, Project Management, Productivity Software, Microsoft Office, Project Planning, Data Validation
★ 4.6 (911) · Beginner · Guided Project · Less Than 2 Hours

Emory University
Skills you'll gain: Rmarkdown, Collaborative Software, Technical Documentation, Document Management, Technical Writing, Data Sharing, R (Software), Technical Communication
★ 4.7 (20) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Pinterest, Social Media Marketing, Social Media, Social Media Strategy, Social Media Campaigns, Social Media Analytics, Social Media Management, Social Media Content, Storytelling, Marketing Strategies, Data-Driven Marketing, Digital Media Strategy, Content Creation, Marketing Planning, Content Development and Management, Advertising Campaigns, Content Performance Analysis, Digital Marketing Campaigns, Digital Marketing, Marketing Analytics
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Prompt Engineering, New Product Development, Model Based Systems Engineering, Model Evaluation, Failure Analysis, Sustainable Business, Data Mining, Field-Programmable Gate Array (FPGA), Delegation Skills, Strategic Decision-Making, Real-Time Operating Systems, Object Oriented Design, Project Schedules, Sampling (Statistics), Data Ethics, Sustainability Reporting, Database Design, Agentic systems, Data Visualization, Supervised Learning
Degree · 1 - 4 Years

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Data Synthesis, Data Integration, Data Literacy, Data Storytelling, Analysis, Case Studies, Advanced Analytics, People Analytics, Analytical Skills, Strategic Decision-Making, Business Metrics, Forecasting, Media and Communications, Persuasive Communication, Databases, Database Design, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Data, Test Execution Engine, Test Script Development, Test Case, Test Engineering, Software Testing, Debugging, Scalability, Test Planning, Application Frameworks, Maintainability, Automation, Code Reusability, Software Design Patterns, Configuration Management, Package and Software Management
Intermediate · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Disabilities, Customer experience improvement, Customer Relationship Management, Customer Relationship Management (CRM) Software, Driving engagement, Self Service Technologies, Customer Engagement, Personalized Service, Loyalty Programs, Merchandising, Diversity and Inclusion, Events and Conferences, AI Personalization, Experience Design, Multimedia, Augmented Reality, Drive Engagement, Digital Transformation, Storytelling, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Financial Trading, Investment Management, Securities Trading, Market Trend, Financial Market, Market Data, Investments, Capital Markets, Financial Regulations, Equities, Risk Control, Order Entry, Financial Systems, Risk Management, Order Management, Trend Analysis, Financial Regulation, Business, Decision Making
Mixed · Course · 1 - 3 Months

Skills you'll gain: Active Directory, Windows Servers, Windows PowerShell, Hyper-V, Microsoft Servers, Group Policy, Server Administration, Microsoft Windows, Remote Access Systems, Operating System Administration, Servers, System Monitoring, Virtualization, File Management, Systems Administration, Virtualization and Virtual Machines, Data Storage, Virtual Machines, Web Servers, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, API Testing, Test Automation, Test Script Development, Prompt Patterns, Test Tools, Claude Code, Software Testing, Test Case, AI Integrations, Functional Testing, Quality Assurance, GitHub Copilot, Application Programming Interface (API), Restful API, Test Data, Automation, AI Security, Debugging
Intermediate · Course · 1 - 3 Months