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.

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Data Validation, iOS Development, User Interface (UI) Design, User Interface (UI), Application Design, Usability, Verification And Validation, Interactive Design, User Experience Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Application Development, Object Oriented Design, Application Design, Program Development, Business Logic, User Interface (UI), Data Entry, Verification And Validation, Command-Line Interface, Data Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft PowerPoint, Data Visualization, Sales Presentations, Public Speaking, Layout Design
Intermediate · Course · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Marketing Management, Marketing, Marketing Strategies, Consumer Behaviour, Marketing Channel, Global Marketing, Digital Transformation, MarTech, Case Studies, Digital Marketing, Business Strategy, Customer experience improvement, Business Transformation, Innovation
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Issue Tracking, Data Visualization, Microsoft Excel, Project Management Software, Project Schedules, Key Performance Indicators (KPIs), Agile Project Management, Project Management, Workflow Management, Analysis, Data Management
Beginner · Course · 1 - 4 Weeks

Emory University
Skills you'll gain: Data Cleansing, Presentations, Consulting, Microsoft PowerPoint, Management Consulting, Executive Presence, Business Consulting, Benchmarking, Microsoft Excel, Storytelling, Sales Presentations, Data Storytelling, Proposal Development, Oral Expression, Business Research, Lean Six Sigma, Interviewing Skills, Six Sigma Methodology, Problem Solving, Consultative Approaches
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Excel Formulas, Microsoft Excel, Microsoft Office, Spreadsheet Software, Microsoft 365, File Management, Document Management, Data Management, Productivity Software, Data Entry, Microsoft Windows, Data Import/Export, User Interface (UI)
Mixed · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, LLM Application, Vector Databases, Generative AI Agents, Tool Calling, Embeddings, Retrieval-Augmented Generation, Prompt Patterns, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Prompt Engineering, Agentic systems, Large Language Modeling, TypeScript, Responsible AI, Software Development, Real Time Data, Web Scraping, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Authorization (Computing), Gemini, Authentications, Generative AI Agents, Data Security, Application Deployment, Enterprise Architecture, AI Workflows, Data Access, Large Language Modeling, Agentic systems, LLM Application, Google Cloud Platform, Case Studies, Cloud Security, Enterprise Security, Solution Architecture, Business Logic, Data Integration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Game Design, Programming Principles, Debugging, Data Modeling, Computational Thinking, Data Integrity, Program Development, Application Development, Data Maintenance, Computational Logic, Data Validation, Command-Line Interface, Application Design, Animation and Game Design, User Interface (UI), Algorithms, Data Structures
Beginner · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Access, Database Design, Relational Databases, Database Application, Database Management, Databases, Data Integration, Data Management, Information Management, Data Entry, Microsoft 365, Microsoft Office, Query Languages, User Interface (UI), Productivity Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: Computer Systems, Operating Systems, Generative AI, Business Systems, Cybersecurity, Enterprise Security, Servers, Security Awareness, Computer Hardware, Information Systems Security, Computer Architecture, Data Storage, Patch Management, Cloud Computing
Beginner · Course · 1 - 4 Weeks