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: R Programming, Statistical Programming, Statistical Analysis, Debugging, Data Analysis, Simulations, Programming Principles, Integrated Development Environments, Data Import/Export, Data Structures, Data Manipulation, Computer Programming, Performance Tuning, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: LangGraph, Agentic Workflows, AI Orchestration, AI Workflows, Generative AI Agents, Agentic systems, LangChain, LLM Application, Responsible AI, Retrieval-Augmented Generation, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Software Development, Python Programming, Data Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis, Statistical Analysis, Probability Distribution, R Programming, Exploratory Data Analysis, Statistical Modeling, Machine Learning, Statistical Inference, Classification Algorithms, Data Manipulation, Supervised Learning, Random Forest Algorithm, Regression Analysis, Model Evaluation, Decision Tree Learning
Mixed · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Blockchain, FinTech, Internet Of Things, Emerging Technologies, Legal Technology, Digital Transformation, Public Administration, Distributed Computing, Financial Services, Governance, Cryptography, World History
Beginner · Course · 1 - 3 Months

Skills you'll gain: Relational Databases, Database Management Systems, SQL, Database Design, Databases, Database Administration, MySQL, NoSQL, Query Languages
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Product Strategy, Backlogs, Agile Product Development, Stakeholder Communications, Product Roadmaps, Virtual Teams, Stakeholder Management, Agile Project Management, Product Strategy, Agile Methodology, User Story, Communication, Cross-Functional Collaboration, Product Lifecycle Management, Product Management, Negotiation, Product Requirements, Sprint Planning, Conflict Management, Scaled Agile Framework
Beginner · Specialization · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Digital Transformation, Liberal Arts, digital literacy, Informatics, Image Analysis, Human Computer Interaction, Research, Computer Science, Public History, Technology Solutions, Open Source Technology, Research Methodologies, Data Ethics, Computer Vision, Law, Regulation, and Compliance, Artificial Intelligence, Media and Communications, Information Privacy
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Climate Change Mitigation, Risk Management, Climate Change Adaptation, Mitigation, Business Risk Management, Risk Analysis, Environmental Issue, Environment, Corporate Sustainability, Environmental Resource Management, Persuasive Communication, Media and Communications, Environmental Policy, Social Sciences, Social Impact, Community Development, Adaptability, Scientific Methods, Action Oriented, Vulnerability
Beginner · Specialization · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft Access, Relational Databases, Data Entry, Databases, Database Design, Microsoft Office, Query Languages, Data Management, Data Validation
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Productivity Software, Business Reporting, Data Cleansing, Data Visualization, Data Management, Analytics, Data Validation
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Email Marketing, Google Ads, Digital Advertising, Paid media, Social Media Marketing, Search Engine Optimization, Google Analytics, Customer Retention, Digital Marketing, Marketing Budgets, Loyalty Programs, Order Fulfillment, Search Engine Marketing, Web Analytics, Marketing Analytics, Online Advertising, Email Automation, Marketing, E-Commerce
Beginner · Professional Certificate · 3 - 6 Months

28DIGITAL
Skills you'll gain: Computer Security Awareness Training, Cyber Risk, User Accounts, Exploitation techniques
Beginner · Course · 1 - 3 Months