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.

Coursera
Skills you'll gain: Embedded Software, Real-Time Operating Systems, Embedded Systems, Software Architecture, Code Reusability, Pseudocode, Microarchitecture, Memory Management, Systems Architecture, Hardware Architecture, Computer Hardware, Electronic Hardware, System Programming, Computer Architecture, Software Design, Cross Platform Development, Software Systems, Systems Design, Software Design Patterns, Internet Of Things
Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Vision Transformer (ViT), Recurrent Neural Networks (RNNs), Generative Model Architectures, Embeddings, Digital Signal Processing, Transfer Learning, Machine Learning Methods, Classification Algorithms
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Query Languages, MySQL, Database Management, Transaction Processing, Data Manipulation, Database Development, Relational Databases
Beginner · Guided Project · Less Than 2 Hours

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

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Risk Management Framework, Governance Risk Management and Compliance, Legal Risk, Interoperability, IT Security Architecture, Cyber Risk, Information Technology Architecture, Network Architecture, Security Architecture Review, Solution Architecture, Governance, Project Documentation, Cryptography, Enterprise Architecture, Data Storage, Systems Architecture
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Image Analysis, Event-Driven Programming, Scalability, Dataflow, Digital Signal Processing, Distributed Computing, C++ (Programming Language), Program Development, Performance Tuning, Memory Management, Algorithms
Intermediate · Course · 1 - 3 Months

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, AI Personalization, Collaborative Software, Artificial Intelligence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Process Mapping, Six Sigma Methodology, Lean Six Sigma, Quality Improvement, Organizational Change, Lean Methodologies, Statistical Hypothesis Testing, Lean Manufacturing, Organizational Leadership, Quality Management, Process Analysis, Process Improvement, Correlation Analysis, Project Scoping, Kaizen Methodology, Data-Driven Decision-Making, Root Cause Analysis, Statistical Analysis, Management Training And Development, Process Improvement and Optimization
Beginner · Specialization · 1 - 3 Months

Universitat Politècnica de València
Skills you'll gain: SQL, Database Management Systems, Relational Databases, Database Management, Databases, Database Theory, Query Languages, Data Integrity, Secure Coding, Data Manipulation
Beginner · Course · 1 - 3 Months

Pontificia Universidad Católica del Perú
Skills you'll gain: Data Collection, Data Ethics, Data-Driven Decision-Making, Data Visualization, Data Literacy, Higher Education, Data Strategy, Education Software and Technology, Interactive Data Visualization, Data Presentation, Data Analysis Software, Analytical Skills, Analytics, Looker (Software), Data Analysis, Responsible AI, Data Management, Data Governance, Information Privacy, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Market Liquidity, Securities Trading, Securities (Finance), Financial Trading, Financial Market, Market Dynamics, Capital Markets, Market Data, Financial Regulation, Order Processing, Estimation, Algorithms
Intermediate · Course · 1 - 3 Months

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