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.

Johns Hopkins University
Skills you'll gain: Data Visualization, Statistical Visualization, Network Analysis, Relational Databases, Data Presentation, Data Visualization Software, Social Network Analysis, Data Storytelling, Network Model, Database Theory, Diagram Design, Data Analysis, Data Manipulation, Graphic and Visual Design, Social Impact, Human Factors, Innovation
Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Deductive Reasoning, Logical Reasoning, Probability, Sampling (Statistics), Probability & Statistics, Statistical Inference, Correlation Analysis, Decision Intelligence
★ 4.6 (493) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Scrum (Software Development), Agile Project Management, Backlogs, Agile Software Development, Sprint Planning, Agile Methodology, User Story, Data-Driven Decision-Making, Project Estimation, Product Requirements, Agile Product Development, Waterfall Methodology, Lean Methodologies, Project Performance, Kanban Principles, Product Management, Project Management, Prioritization, Estimation, Problem Solving
★ 4.8 (88) · Beginner · Specialization · 1 - 3 Months

IESE Business School
Skills you'll gain: Value Propositions, Brand Management, Customer Analysis, Marketing, Branding, Brand Marketing, Marketing Strategies, Target Market, Strategic Marketing, Product Planning, Product Strategy, Strategic Communication, Brand Awareness, Marketing Strategy and Techniques, Digital Marketing, Communication Strategies, Brand Strategy, Marketing Planning, Marketing Management, Target Audience
★ 4.5 (491) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Excel Macros, Microsoft Excel, Data Manipulation, Advanced Analytics, Visual Basic (Programming Language), Data Analysis, Productivity Software, Debugging, Spreadsheet Software, Automation, Strategic Decision-Making, Scripting, User Interface (UI)
★ 4.5 (265) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, AI Workflows, CrewAI, Agentic Workflows, Model Deployment, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Responsible AI, Software Architecture, Application Deployment, Systems Architecture, System Design and Implementation, Communication Systems, Safety and Security, System Monitoring, Scalability, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Earned Value Management, Project Controls, Project Planning, Project Performance, Project Management Software, Cost Management, Project Portfolio Management, Budget Management, Performance Reporting, Expense Management, Process Improvement and Optimization, Report Writing, Administration, System Configuration, Dependency Analysis, Data Visualization, User Accounts, Data Import/Export, Database Administration
★ 4.7 (116) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Optimization, Model Evaluation, Scikit Learn (Machine Learning Library), Regression Analysis, Fine-tuning, Applied Machine Learning, Machine Learning, Data Analysis
★ 4.9 (8) · Beginner · Guided Project · Less Than 2 Hours

The State University of New York
Skills you'll gain: Persuasive Communication, Emergency Response, Conflict Management, Mediation, Leadership, Clinical Leadership, Mitigation, Interviewing Skills, Safety and Security, Intercultural Competence, Health Disparities, De-escalation Techniques, Hazard Communication (HazCom), Cultural Sensitivity, Risk Management, Communication, Social Determinants Of Health, Cultural Diversity, Community Health, Public Health
★ 4.7 (298) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
★ 4.4 (114) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Digital Marketing, Digital Media Strategy, Digital Marketing Campaigns, Digital Analysis, Content Development and Management, Digital Advertising, Digital Marketing Tools, Data-Driven Marketing, Digital Content, Social Media Analytics, Growth Strategies, Social Media, Pay Per Click Advertising
★ 4.8 (81) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Computer Vision, Deep Learning, Artificial Neural Networks, Applied Machine Learning, Transfer Learning, Network Architecture, Model Training, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks