Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Skills you'll gain: Google Analytics, Web Analytics, Marketing Analytics, Customer Insights, Analysis, Target Audience, Marketing
Intermediate · Guided Project · Less Than 2 Hours

IE Business School
Skills you'll gain: Survey Creation, Surveys, Marketing Planning, Market Research, Business Research, Product Marketing, Consumer Behaviour, Value Propositions, Market Analysis, Marketing, Business Planning, Marketing Channel, Peer Review, Case Studies, Target Market, Research Design, Data Analysis, Marketing Communications, Marketing Strategies, Product Strategy
Beginner · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: Responsible AI, AI Personalization, Training and Development, Instructional Design, AI Enablement, Employee Training, Generative AI Agents, Training Programs, Learning Management Systems, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Workforce Development, Learning Styles, Learning Theory, Learning Strategies, Human Learning, Childhood Education and Development, Real Time Data
Beginner · Course · 1 - 3 Months

Skills you'll gain: Performance Tuning, No-Code Development, Business Process Automation, Operational Analysis, Automation, Performance Analysis, Process Improvement and Optimization, System Monitoring, Business Workflow Analysis, Process Optimization, Operational Efficiency, Maintainability, Workflow Management, Project Performance, Scalability, Analysis, Solution Architecture, Data-Driven Decision-Making, Strategic Decision-Making, System Implementation
Intermediate · Course · 1 - 4 Weeks

Heriot-Watt University
Skills you'll gain: Artificial Intelligence, Graph Theory, Database Development, Database Architecture and Administration, NoSQL, Computational Logic, Java, Object Oriented Programming (OOP), Data Structures, Natural Language Processing, Computer Programming, Algorithms, Program Development, Programming Principles, Combinatorics, Theoretical Computer Science, Big Data, Reinforcement Learning, Computational Thinking, Artificial Neural Networks
Earn a degree
Degree · 1 - 4 Years

Skills you'll gain: Unity Engine, Algorithms, Game Design, Video Game Development, Programming Principles, Virtual Environment, 3D Assets, Debugging, Data Structures
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Design and Development, Responsive Web Design, Development Environment, User Accounts, User Interface (UI), Debugging
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Google Cloud Platform, Generative AI Agents, Google Workspace, Data Access, Cloud Security, Enterprise Architecture, AI Workflows, Data Security, Agentic systems, Application Deployment, Data Integration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Statements, Financial Statement Analysis, Market Liquidity, Case Studies, Financial Analysis, Cash Flows, Working Capital, Balance Sheet, Data Storytelling, Benchmarking, Financial Modeling, Verbal Communication Skills, Financial Data, Income Statement, Communication, Data Analysis, Performance Analysis, Trend Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TypeScript, Restful API, API Design, Full-Stack Web Development, PostgreSQL, Application Programming Interface (API), Object-Relational Mapping, Secure Coding, Web Applications, JavaScript Frameworks, SQL, Front-End Web Development, React.js, Database Systems, Relational Databases, Database Management, Development Environment, Back-End Web Development, Javascript, Artificial Intelligence
Beginner · Course · 3 - 6 Months

Skills you'll gain: Intellectual Property, Ideation, Brand Strategy, Adobe Express, Adobe Firefly, Target Audience, Creative Problem-Solving, Conceptual Design, Creative Thinking, Branding, Creativity, Graphic Design, Entrepreneurship, Design, Adobe Photoshop, Business Strategy, Adobe Illustrator, Artificial Intelligence, Communication, Digital Marketing
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Content Performance Analysis, Semantic Web, Workflow Management, Prompt Engineering Tools, Responsible AI
Beginner · Course · 1 - 4 Weeks