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.

Amazon Web Services
Skills you'll gain: Amazon Redshift, Amazon Web Services, Data Warehousing
★ 4.5 (39) · Mixed · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Sociology, Social Sciences, Surveys, Social Studies, Culture, Qualitative Research, Research Methodologies, Data Collection, Interviewing Skills
★ 4.5 (11) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Threat Detection, Cyber Threat Hunting, Anomaly Detection, Network Security, General Networking, Network Monitoring, Real Time Data, Security Strategy, Network Analysis, Network Protocols, Data Capture
★ 4 (9) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Business Leadership, Strategic Leadership, Data Ethics, Strategic Decision-Making, Responsible AI, Decision Intelligence, Business Strategy, Leadership, Risk Analysis, Artificial Intelligence, Business Risk Management, Risk Mitigation, Culture Transformation, AI Integrations, Stakeholder Communications, Accountability, Communication
★ 4.8 (21) · Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Data Presentation, Interactive Data Visualization, Tableau Software, Data Visualization Software, SQL, Data Analysis
★ 5 (11) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Peripheral Devices, File Systems, Mac OS, User Accounts, Virtual Private Networks (VPN), File Management, Knowledge of Apple Software, TCP/IP, VPN Clients, User Provisioning, Data Security, System Configuration, Apple software proficiency, Network Protocols, Operating System Administration, Network Administration, Network Support, Software Installation, Data Management, Package and Software Management
★ 4.7 (19) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Audit Planning, Data Security, Network Security, Disaster Recovery, Cyber Attacks, Business Continuity Planning, Security Testing, Cybersecurity, Digital Forensics, Business Continuity, Database Management, Enterprise Architecture, Internal Auditing, Compliance Management, Auditing, Quality Assurance, Cloud Computing, OSI Models, Asset Management, Quality Management
★ 4.7 (14) · Intermediate · Specialization · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Prompt Patterns, Vibe coding, Generative AI Agents, AI Workflows, Code Review, AI Personalization, Google Workspace, Software Development Tools, Software Development, Responsible AI, Application Deployment, Generative AI, Software Engineering, Artificial Intelligence, Design Software, Front-End Web Development, React.js, Web Development, Javascript
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Collaborative Software, Software Development Tools, Software Development Methodologies, Agile Project Management, Agile Methodology, AI Integrations, Responsible AI, AI Enablement, AI Workflows, Software Engineering, Software Engineering Tools, Data Ethics, Generative AI
★ 4.3 (12) · Intermediate · Course · 1 - 4 Weeks

The University of Notre Dame
Skills you'll gain: Communication Systems, Wireless Networks, Digital Communications, Telecommunications, General Networking, Digital Signal Processing, Electrical Engineering, Reliability
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Software Quality Assurance, Quality Assurance, Software Testing, Test Tools, Jira (Software), Development Testing, Regression Testing, Functional Testing, Software Quality (SQA/SQC), Test Planning, Test Case, Technical Communication, Issue Tracking, Agile Methodology, Software Development, Agile Project Management, Risk Management, User Interface and User Experience (UI/UX) Design, Data Analysis, Problem Solving
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Memory Management, Communication Systems, Data Sharing, Web Development
★ 3 (11) · Beginner · Course · 1 - 3 Months