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: Sampling (Statistics), Data Mining, Statistical Hypothesis Testing, Probability, Statistical Machine Learning, Probability & Statistics, Linear Algebra, Statistical Methods, Statistical Analysis, Statistical Inference, Data Analysis, Probability Distribution, Data Science, Statistics, Machine Learning Methods, Applied Machine Learning, Unsupervised Learning, Machine Learning Algorithms, Machine Learning, Supervised Learning
Mixed · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Microsoft Excel, Excel Formulas, Data Visualization, Spreadsheet Software, Interactive Data Visualization, Productivity Software, Microsoft 365, Data Management, Dashboard, Microsoft Copilot, Data Sharing, Generative AI, Cloud Storage, Branding
★ 4.9 (9) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Copilot, Data Ethics, Law, Regulation, and Compliance, Responsible AI, Data Governance, Regulatory Compliance, Compliance Management, General Data Protection Regulation (GDPR), AI literacy, Information Privacy, Prompt Engineering, Regulatory Requirements, Ethical Standards And Conduct, Intellectual Property, Generative AI, Critical Thinking
★ 4.8 (33) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative Engine Optimization (GEO), Content Performance Analysis, Search Engine Optimization, Content Optimization, Generative AI, Web Analytics and SEO, Keyword Research, Digital Marketing, Performance Measurement, Content Creation, Competitive Analysis, Semantic Web, Content Strategy, Artificial Intelligence, Web Content, Content Marketing, Content Development and Management, Analysis, Ethical Standards And Conduct, Data Strategy
★ 4.6 (32) · Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Miro AI, Google Gemini, Generative AI, Collaborative Software, Anthropic Claude, AI Product Strategy, Innovation, Product Automation, AI Enablement, Business Process Automation, Workflow Management, Technology Strategies, Productivity Software, AI Integrations, Application Design, Prototyping, Video Editing
★ 2.7 (6) · Beginner · Course · 1 - 4 Weeks

IESE Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Environmental Social And Corporate Governance (ESG), Sustainable Development, Corporate Strategy, Business Strategy, Organizational Strategy, Environmental Issue, Strategic Thinking, Environmental Regulations, Compliance Management, Stakeholder Engagement, Consumer Behaviour, Advocacy
★ 4.7 (581) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Embedded Software, Debugging, Embedded Systems, Memory Management, Integrated Development Environments, C (Programming Language), Computer Programming Tools, Development Environment, C and C++, Software Development Tools, System Programming, Eclipse (Software), Build Tools, Programming Principles, Data Storage
★ 4.8 (71) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Web Development, Flask (Web Framework), Restful API, Cloud Deployment, Selenium (Software), Front-End Web Development, Web Applications, Secure Coding, Web Design and Development, Object-Relational Mapping, JavaScript Frameworks, Application Security, Test Tools, Application Deployment, Cloud Applications, HTML and CSS, Back-End Web Development, Databases, Application Programming Interface (API), Collaboration
★ 3.9 (26) · Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: Java Programming, Java, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Software Design Patterns, Computer Programming, JUnit, Software Design, Program Development, UI Components, C and C++, Programming Principles, User Interface (UI), Application Development, Event-Driven Programming, Data Structures
★ 4.7 (209) · Intermediate · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Data Ethics, Machine Learning, Applied Machine Learning, Data Preprocessing, Business Priorities, Training Records Management, Operational Data Store, Product Lifecycle Management, Machine Learning Methods, Data Collection, Model Training, AI Enablement, Business Requirements, Business Logic, Case Studies
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Budgeting, Data Visualization, Google Sheets, Productivity Software, Budget Management, Spreadsheet Software, Presentations, User Accounts, Data Sharing
★ 4.6 (333) · Beginner · Guided Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Security Strategy, Cyber Security Policies, Computer Security Awareness Training, Security Management, Security Awareness, Information Privacy, Infrastructure Security, Risk Management, Risk Management Framework, Dependency Analysis
★ 4.8 (52) · Beginner · Course · 1 - 3 Months