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: Timelines, Project Schedules, Microsoft Excel, Data Visualization, Data Entry, Scheduling
Beginner · Guided Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Intellectual Property, Cyber Attacks, Data Security, Safety and Security, Cybersecurity, Application Security, Security Software, Computer Security Awareness Training, Research, Content Creation, digital literacy, Media and Communications, Storytelling, Productivity, Digital Communications, Interpersonal Communications, Empathy & Emotional Intelligence, Personal Development, Self-Awareness, Digital Analysis
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Security Testing, Cyber Threat Intelligence, Cyber Risk, AI Integrations, Cyber Attacks, Cyber Security Assessment, Cybersecurity, IT Security Architecture, Security Controls, Threat Modeling, Security Strategy, Data Ethics, Security Engineering, Threat Detection, Data Governance, Data Security, Security Management, Information Privacy, Emerging Technologies
Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Excel, Data Import/Export, Spreadsheet Software, Business Reporting, Microsoft Access, Report Writing, Data Presentation, Data Analysis Software, Data Manipulation, Business Intelligence Software, Data Visualization, Data Analysis, Business Intelligence, SAP Applications, Data Integration, Microsoft Office, Data Access
Beginner · Specialization · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Android (Operating System), Android Development, Mobile Development, Data Management, User Interface (UI), Human Computer Interaction, Event-Driven Programming, Network Model, Geographic Information Systems, Interactive Design, Geospatial Information and Technology, Data Storage, Animations, Computer Programming, Computer Graphics
Mixed · Course · 1 - 3 Months

Skills you'll gain: HVAC, Thermal Management, Mechanical Engineering, Engineering, System Requirements, Engineering Calculations, Energy and Utilities, Estimation, Environmental Issue
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Software Technical Review, DevOps, Security Testing
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Development Environment, Application Deployment, Virtualization, Cloud Computing, Linux Administration, Devops Tools, Cloud Infrastructure, Containerization, Cloud Platforms, Infrastructure As A Service (IaaS), Software Versioning, Virtualization and Virtual Machines, Software As A Service, Virtual Networking, Virtual Machines
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Bioinformatics, R (Software), Molecular Biology, Data Analysis Software, Statistical Analysis, Data Mapping, Molecular, Cellular, and Microbiology, Statistical Methods, Analysis, Command-Line Interface, Data Processing, Linux Commands, Linux
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Internet Of Things, Automation, Infrastructure Architecture, Data Management, Systems Architecture, Network Protocols, Information Management, Systems Integration, Information Systems Security, Security Strategy, Emerging Technologies, Communication Systems, Systems Design
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, Token Optimization, LLM Application, Application Development, Artificial Intelligence, Model Optimization, AI Workflows, Network Routing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Sheets, Collaborative Software, Productivity Software, Organizational Skills, Spreadsheet Software, Project Management Software, Data Management, Project Management, Data Visualization, Presentations, Business
Beginner · Guided Project · Less Than 2 Hours