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.

Coursera
Skills you'll gain: Diagram Design, Data Import/Export, Collaborative Software, Technical Communication, Technical Documentation, User Accounts
★ 4.8 (32) · Beginner · Guided Project · Less Than 2 Hours

Fundação Lemann
Skills you'll gain: Education Software and Technology, Learning Management Systems, Digital pedagogy, Data Analysis Software, Real Time Data, User Accounts, Content Management
★ 4.8 (96) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Target Audience, Data-Driven Marketing, Value Propositions, Marketing, Global Marketing, Search Engine Optimization, Diversity Marketing, Brand Strategy, Marketing Planning, Marketing Strategies, Branding, Marketing Analytics, Brand Awareness, Data-Driven Decision-Making, Customer Analysis, Market Research, Cultural Diversity, Consumer Behaviour, Cultural Responsiveness, Cultural Sensitivity
★ 4.8 (70) · Beginner · Course · 1 - 4 Weeks

Yunus Social Business Fund Bengaluru
Skills you'll gain: Financial Market, Decision Making, Finance, Business Valuation, Capital Markets, Return On Investment, Financial Acumen, Equities, Securities (Finance), Corporate Finance, Financial Analysis, Financial Management, Market Data, General Finance, Investments, Risk Analysis, Financial Data, Social Impact, Cash Flows
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Campaign Planning, Social Media Content, Data-Driven Marketing, Social Media Strategy, Personalized Campaigns, Social Media Campaigns, Social Media Marketing, Campaign Management, Content Performance Analysis, Social Media Management, Content Creation, AI Personalization, Content Optimization, Social Media Analytics, AI literacy, Marketing Strategies, Content Strategy, Generative AI, Persona Development, Data Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Data Structures, Memory Management, Code Reusability, Package and Software Management, Blockchain, Development Environment, Web Development, Performance Testing, Programming Principles, System Programming, Algorithms, Integrated Development Environments, Software Testing
★ 3.7 (26) · Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: jQuery, Javascript, Web Applications, JavaScript Frameworks, Web Development
★ 4.3 (18) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, Restful API, Spring Boot, Full-Stack Web Development, React.js, IntelliJ IDEA, Spring Framework, Object-Relational Mapping, Web Services, JavaScript Frameworks, Front-End Web Development, YAML, Web Applications, Back-End Web Development, Data Access, Database Application, User Interface (UI), Context Management, Application Programming Interface (API), Databases
★ 4.7 (28) · Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Business Continuity Planning, Contingency Planning, Business Continuity, Benchmarking, Business Risk Management, Data Loss Prevention, Security Management, Risk Mitigation, Risk Analysis, Information Assurance, Data Maintenance, Data Strategy, Procedure Development, General Data Protection Regulation (GDPR), Program Standards, Personally Identifiable Information, Crisis Management, Law, Regulation, and Compliance, Continuous Monitoring
★ 4.6 (52) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Postman API Platform, API Testing, Data Validation, Application Programming Interface (API), Restful API, Verification And Validation, Performance Tuning, Microservices, Performance Testing, Test Tools, Security Controls, Data Integrity, Authentications
★ 4.6 (20) · Intermediate · Course · 1 - 4 Weeks

H2O.ai
Skills you'll gain: LLM Application, Application Development, User Interface (UI), Development Environment, AI Integrations, Interactive Design, Cloud Deployment, Generative AI, Application Deployment, AI literacy, Application Frameworks, Open Source Technology, Software Installation, Package and Software Management
Intermediate · Course · 1 - 3 Months

University of Arizona
Skills you'll gain: Water Resources, Environment, Climate Change Programs, Hydrology, Environmental Science, Biology, Environmental Monitoring, Water Sustainability, Life Sciences, Sustainable Systems, Climate Change Adaptation, Experimentation, Research, Data Collection
★ 4.9 (145) · Beginner · Course · 1 - 3 Months