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.

Johns Hopkins University
Skills you'll gain: Algebra, Mathematical Modeling, Graphing, Arithmetic, Advanced Mathematics, Applied Mathematics, Deductive Reasoning, Analytical Skills, Probability & Statistics, Geometry
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Machine Controls, Electrical and Computer Engineering, Control Systems, Embedded Software, Laboratory Experience, Electronic Systems, Embedded Systems, Power Electronics, Electronic Hardware, Electrical Equipment, Hardware Design, Electrical Engineering, Electrical Systems, Electronics, Electronic Components, Torque (Physics), Design Specifications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Active Directory, Group Policy, Windows PowerShell, File Management, Windows Servers, Remote Access Systems, Hyper-V, Public Key Infrastructure, Software-Defined Networking, Microsoft Servers, Microsoft Windows, Dynamic Host Configuration Protocol (DHCP), Containerization, Server Administration, Network Troubleshooting, Docker (Software), Virtual Private Networks (VPN), Operating System Administration, Hardening, Computer Networking
Beginner · Specialization · 3 - 6 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Customer experience improvement, Self Service Technologies, Driving engagement, Customer Relationship Management (CRM) Software, Personalized Service, Customer Relationship Management, Customer Insights, Augmented Reality, Brand Loyalty, Data-Driven Marketing, Loyalty Programs, MarTech, Augmented and Virtual Reality (AR/VR), Drive Engagement, Hospitality, Disabilities, Storytelling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React.js, React Redux, Frontend Performance, Full-Stack Web Development, Unit Testing, Front-End Web Development, Event-Driven Programming, Performance Tuning, Frontend Integration, Context Management, Javascript, Code Reusability, JavaScript Frameworks, Software Testing, Server Side, Web Applications, UI Components, Software Design Patterns, Cascading Style Sheets (CSS), Data Persistence
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Store, Data Warehousing, Data Mapping, Data Migration, Data Modeling, Data Import/Export, Google Cloud Platform, SQL, Query Languages, Database Design, Data Architecture, Data Access, Database Architecture and Administration, Data Integration, Identity and Access Management, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Network Protocols, Cyber Attacks, Threat Management, Threat Modeling, Security Controls, Responsible AI, Cyber Security Strategy, Cyber Security Policies, Data Security, Security Awareness, Computer Security Awareness Training, Agile Methodology, Cyber Security Assessment, Security Management, Network Security, TCP/IP, Incident Response, Threat Detection, Risk Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Service Recovery, Marketing Psychology, Customer experience improvement, Customer experience strategy (CX), Customer Service, Integrated Marketing Communications, Customer Insights, Data-Driven Marketing, Service Design, Consumer Behaviour, Media and Communications, Customer Analysis, Brand Strategy, Customer Relationship Building, Brand Management, Marketing Communications, Communication Strategies, Strategic Communication, Marketing, Social Media Analytics
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Governance, Data Presentation, Management Accounting, Data Storytelling, Budgeting, Marketing Analytics, Capital Budgeting, Financial Modeling, Financial Data, Data Ethics, SAS (Software), Business Analytics, Financial Management, Customer Analysis, Customer Insights, Digital Media Strategy, Corporate Finance, Business Valuation, Financial Analysis, Data Visualization
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Model Optimization, Regression Analysis, Model Training, Statistical Modeling, Predictive Modeling, Fine-tuning, Scientific Visualization, Model Evaluation, Data Preprocessing, Applied Machine Learning, Data Processing, Exploratory Data Analysis, Python Programming, Machine Learning, Development Environment
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Prompt Patterns, AI Orchestration, Vibe coding, AI Workflows, Generative AI Agents, Technical Management, Application Development, Agentic systems, Video Game Development, Development Environment, Application Deployment, Artificial Intelligence, Cloud Hosting, Software Installation, Computer Programming, Authentications, Databases, System Configuration
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Correlation Analysis, Statistical Visualization, Descriptive Statistics, Statistical Analysis, Statistical Software, Probability & Statistics, Data Analysis, Analysis, R (Software), Systems Of Measurement, Data Quality, R Programming, Statistical Methods, Verification And Validation, Statistical Hypothesis Testing
Intermediate · Course · 1 - 3 Months