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.

ESSEC Business School
Skills you'll gain: Social Impact, Program Evaluation, Needs Assessment, Philanthropy, Return On Investment, Sustainable Business, Performance Measurement, Data Collection, Program Implementation, Stakeholder Analysis, Stakeholder Engagement, Qualitative Research, Organizational Change, Resource Allocation
★ 4.6 (100) · Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Unreal Engine, Adobe After Effects, Motion Graphics, Animations, Animation and Game Design, Multimedia, 3D Modeling, 3D Assets, Logo Design, Cinematography, Video Editing, Post-Production, Computer Graphics, Computer Graphic Techniques, Visualization (Computer Graphics), Photo/Video Production and Technology, Autodesk, Visual Storytelling, Graphical Tools, Creative Design
★ 4.4 (33) · Beginner · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Blockchain, Distributed Computing, Network Security, Scalability, Cryptography, Data Integrity, Transaction Processing, Algorithms
★ 4.5 (120) · Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Environmental Engineering, Water Resource Management, Sustainable Engineering, Process Engineering, Sustainable Technologies, Sustainable Systems, Environment and Resource Management, Public Health, Data Collection, Capital Expenditure, Research, Case Studies
★ 4.8 (677) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Product Strategy, Responsible AI, Data Ethics, Risking, Google Gemini, Product Management, Decision Intelligence, AI Enablement, Artificial Intelligence, Product Development
★ 4.8 (35) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Automate/Flow, Microsoft Power Platform, Business Workflow Analysis, Workflow Management, Process Analysis, Microsoft Copilot, AI Workflows, Business Process Automation, Process Optimization, Automation, Application Lifecycle Management, Business Process Management, Cloud-Based Integration, Document Management, Event-Driven Programming
★ 2.6 (13) · Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Data Presentation, Interactive Data Visualization, Tableau Software, Data Visualization Software, SQL, Data Analysis
★ 5 (11) · Advanced · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Reporting, Critical Thinking, Financial Forecasting, Analytical Skills, Financial Data, Balance Sheet, Business Reporting, Financial Accounting, Accounting, Equities, Forecasting, Return On Investment, Income Statement, Annual Reports, Trend Analysis, Standard Accounting Practices, Business Valuation
★ 4.8 (24) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animation and Game Design, Unity Engine, Game Design, 3D Assets, Animations, Computer Graphics, Video Game Development, User Interface (UI), UI Components, User Interface (UI) Design, Virtual Environment, Computer Graphic Techniques, Visualization (Computer Graphics), Performance Tuning, Interactive Design, Software Design, C# (Programming Language), Code Reusability, Model Optimization, Scripting
★ 4.8 (40) · Intermediate · Specialization · 3 - 6 Months

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

The University of Edinburgh
Skills you'll gain: Simulations, Simulation and Simulation Software, Bioinformatics, Biotechnology, Mathematical Modeling, Life Sciences, Biology, Molecular, Cellular, and Microbiology, R Programming, Scripting, Quantitative Research
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Cloud Computing, Data Storage Technologies, Data Storage, Cloud Management, Cloud Solutions, Cloud Services, Cloud Storage, User Provisioning, Cloud Development, Authorization (Computing), Role-Based Access Control (RBAC), Security Controls, Key Management, Database Management, Event Monitoring
★ 4.5 (166) · Intermediate · Course · 1 - 3 Months