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.

University of California, Santa Cruz
Skills you'll gain: Environmental Science, Natural Resource Management, Environmental Engineering and Restoration, Environment and Resource Management, Environmental Monitoring, Data Collection, Environment, Scientific Methods, Land Management, Environmental Resource Management, Biology, Life Sciences, Hydrology, Environmental Issue, Water Resource Management, Climate Change Adaptation, Ancient History
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Control Systems, Electric Power Systems, Electrical Power, Simulation and Simulation Software, Engineering Analysis, Simulations, Power Electronics, Electrical Engineering, Systems Analysis, Mathematical Modeling, Network Model, Differential Equations
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Retrieval-Augmented Generation, Prompt Patterns, Agentic systems, Performance Testing, Prompt Engineering, Generative AI Agents, Generative AI, Agentic Workflows, Performance Tuning, Model Evaluation, Verification And Validation, Large Language Modeling, MLOps (Machine Learning Operations), Embeddings
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Javascript, JavaScript Frameworks, Program Development, Web Development, Angular, Vue.JS, Application Development, React.js, Web Applications, Event-Driven Programming, Object Oriented Programming (OOP), Programming Principles, Computer Programming, Data Structures, Software Engineering, Computer Science
Intermediate · Course · 1 - 3 Months
Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Electronic Hardware, Process Engineering, Manufacturing Processes, Production Process, Electronic Components, Chemical Engineering, Materials science, Chemistry, Data Storage Technologies
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Large Language Modeling
Intermediate · 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
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Spring Framework, Web Applications, Application Development, Web Development, Program Development, Restful API, Application Frameworks, Secure Coding, Bootstrap (Front-End Framework), Development Environment, Object-Relational Mapping, Model View Controller, UI Components, Software Development Tools, Authentications, User Interface (UI), Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Data Persistence, Programming Principles, Python Programming, Data Storage, File Management, Computer Science
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Learning Management Systems, Education Software and Technology, Digital pedagogy, Instructional Strategies, Computer Science, Interactive Design, Emerging Technologies, Diversity Awareness
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Model Training, Java Programming, Java, Feature Engineering, Machine Learning Methods, Statistical Machine Learning, Machine Learning Algorithms, Deep Learning, Data Pipelines
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Angular, Test Driven Development (TDD), Web Components, Unit Testing, Development Testing, HTML and CSS, Web Development, Software Testing, Cascading Style Sheets (CSS), Web Development Tools, Web Applications, Front-End Web Development, JavaScript Frameworks, Hypertext Markup Language (HTML), Development Environment, UI Components, Application Frameworks, Application Development, Javascript, Data Persistence
Intermediate · Course · 1 - 4 Weeks