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: Embedded Software, Debugging, Embedded Systems, Memory Management, Integrated Development Environments, C (Programming Language), Computer Programming Tools, Development Environment, C and C++, Software Development Tools, System Programming, Eclipse (Software), Build Tools, Programming Principles, Data Storage
★ 4.8 (71) · Intermediate · Course · 1 - 4 Weeks

The University of Edinburgh
Skills you'll gain: Responsible AI, Data Ethics, AI Product Strategy, Risk Analysis, Artificial Intelligence, Business Ethics, Regulatory Compliance, AI literacy, Compliance Management, Operational Risk, Accountability, Governance, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Google Cloud Platform, Digital Transformation, Data Ethics, Artificial Intelligence, Responsible AI, Model Training, AI literacy, Business Transformation, Data Quality, Machine Learning, Applied Machine Learning, Cloud API, Computer Vision, Natural Language Processing
★ 4.8 (115) · Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Object Oriented Design, Memory Management, Computer Programming, Code Reusability, Programming Principles, Algorithms, Data Structures, Data Manipulation
★ 4.4 (59) · Beginner · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Web Analytics, Social Media Campaigns, Campaign Management, Web Analytics and SEO, Digital Marketing, Google Analytics, Social Media Marketing, Search Engine Marketing, Social Media Strategy, Marketing Strategies, Search Engine Optimization, Keyword Research, Marketing Analytics, A/B Testing, Social Media, Campaign Planning, Smart Goals, Performance Analysis, Key Performance Indicators (KPIs), Value Propositions
★ 4.8 (64) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Javascript, Ajax, JSON, Web Applications, Web Development, Object Oriented Programming (OOP), Event-Driven Programming, Responsive Web Design, Programming Principles, Prototyping, Network Protocols
★ 4.5 (55) · Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Cyber Governance, Cyber Risk, Security Strategy, Cyber Security Policies, Computer Security Awareness Training, Security Management, Security Awareness, Information Privacy, Infrastructure Security, Risk Management, Risk Management Framework, Dependency Analysis
★ 4.8 (52) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: NoSQL, Database Architecture and Administration, Database Systems, Cloud Applications, Database Theory, Database Management Systems, Data Store, Database Management, Databases, PostgreSQL, Relational Databases, Database Software, SQL, Database Application, Distributed Computing, Cloud Computing Architecture, Cloud Deployment, Transaction Processing, Scalability, Development Environment
★ 4.3 (150) · Intermediate · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Scientific Methods, Science and Research, General Science and Research, Research Methodologies, Research, Research Design, Peer Review, Experimentation, Media and Communications, Correlation Analysis, Journalism, Statistical Analysis, Probability & Statistics, Descriptive Statistics, Communication
★ 4.4 (286) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Engineering, Network Infrastructure, Communication Systems, Network Model, Telecommunications, Digital Signal Processing
★ 4.7 (22) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Data Lakes, Cloud-Based Integration, Transact-SQL, Data Integration, Cloud Storage, File Management
★ 4.6 (98) · Intermediate · Guided Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Model Context Protocol, AI Integrations, Anthropic Claude, AI Workflows, Tool Calling, Prompt Engineering, Program Development, Test Tools, Servers, Debugging, Document Management
★ 4.8 (26) · Beginner · Course · 1 - 4 Weeks