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.

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Trustworthiness, Cross-Functional Collaboration, Project Planning, Stakeholder Analysis, Business Systems Analysis, Sustainable Development, Strategic Leadership, Corporate Sustainability, Social Impact, Team Leadership, Relationship Building, Business Leadership, Strategic Thinking, Cultural Responsiveness, Project Management, Organizational Strategy, Communication Strategies, Environmental Social And Corporate Governance (ESG), Ethical Standards And Conduct
Beginner · Specialization · 1 - 3 Months

Sungkyunkwan University
Skills you'll gain: Scalability, Deep Learning, AI Personalization, Data Mining, Data Processing, Machine Learning, Machine Learning Algorithms, Algorithms, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Artificial Intelligence, Bayesian Network, Applied Machine Learning, Computational Logic, Machine Learning, Unsupervised Learning, Bayesian Statistics, Artificial Neural Networks, Reinforcement Learning, Markov Model, Algorithms, Probability & Statistics, Decision Making
Mixed · Course · 1 - 3 Months

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Design Thinking, Business Transformation, Workforce Development, Strategic Thinking, Automation, Digital Transformation, Human Centered Design, Emerging Technologies, Innovation, Business Process Automation, Forecasting, Organizational Change
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Matlab, Engineering Calculations, Numerical Analysis, Mathematical Software, Engineering Analysis, Linear Algebra, Differential Equations, Applied Mathematics, Mathematical Modeling, Simulation and Simulation Software, Computational Thinking, Estimation, Integral Calculus, Scripting, Simulations, Calculus, Scientific Visualization, Programming Principles, Plot (Graphics), Algorithms
Intermediate · Course · 1 - 3 Months

Adobe
Skills you'll gain: Promotional Strategies, Marketing Planning, Marketing Strategy and Techniques, Digital Marketing, Adobe Express, Target Audience, Marketing Materials, Marketing Effectiveness, Marketing Automation, Customer Relationship Management, Advertising, Customer Acquisition Management, Customer Engagement, Content Creation, Generative AI Agents
Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Infographics, LinkedIn, Social Media, Professional Development, Professional Networking, Strategic Communication, Recruitment, Data Visualization, Branding
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Unit Testing, Enterprise Application Management, Java, Integration Testing, Configuration Management, Software Design Patterns, Extensible Markup Language (XML), Context Management, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Technical Standard, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Case Law, Medical Privacy, Court Systems, Telecommunications, Law, Regulation, and Compliance, Legal Research, Data Ethics, IT Security Architecture, Technology Roadmaps, European History, International Relations, Interoperability, Data Governance, Cybersecurity, Data Security, Emerging Technologies
Intermediate · Specialization · 3 - 6 Months

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Probability & Statistics, Statistical Methods, Probability Distribution, Quantitative Research, Statistical Analysis, Statistical Software, Statistical Inference, Sampling (Statistics), Data Analysis, Analysis, Statistics, Probability, Analytical Skills, Regression Analysis, Psychology, Research Design, Research
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storage, OSI Models, General Networking, Wireless Networks, Data Storage Technologies, Local Area Networks, Networking Hardware, Computer Networking, Network Architecture, Network Infrastructure, TCP/IP, Network Protocols, Microsoft Windows, Network Troubleshooting, Network Security, System Configuration, Wide Area Networks, Hardware Architecture, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: Job Control Language (JCL), z/OS, Unix, IBM DB2, Mainframe Computing, Operating System Administration, System Programming, Operating Systems, Unix Commands, Data Management, File Systems, Data Storage, File Management
Intermediate · Course · 1 - 4 Weeks