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.

Logical Operations
Skills you'll gain: File I/O, Cross Platform Development, Operating Systems, File Systems, Development Environment, Scripting, File Management, Scripting Languages, Data Processing, Virtual Machines, Python Programming, Virtualization and Virtual Machines, Programming Principles, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Intellectual Property, Media Production, Responsible AI, Large Language Modeling, Data Ethics, Media Strategy, Journalism, Media and Communications, AI literacy, Media Planning, Risking, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Innovation, Digital Transformation, Marketing Communications, Digital Advertising, Marketing, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: C and C++, C++ (Programming Language), System Programming, Algorithms, Performance Tuning, Data Sharing
Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Java, Java Programming, File I/O, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, Computer Programming, Android Development, Application Development, Programming Principles, Program Development, File Management, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Kubernetes, Google Cloud Platform, Serverless Computing, Google App Engine, Cost Management, Cloud Infrastructure, Cloud Deployment, Cloud Computing Architecture, Cloud Services, Cloud Computing, Infrastructure As A Service (IaaS), Cloud Platforms, Hybrid Cloud Computing, Cloud Management, Data Processing, Data Store, System Monitoring, Application Performance Management, Big Data, Virtual Private Networks (VPN)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Visualization, Data Presentation, Data Literacy, Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Dashboard Creation, Dashboard, Scatter Plots, Data Analysis, Data Manipulation, Software Installation, Data Import/Export, Data Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: JavaScript Frameworks, Node.JS, Web Frameworks, Restful API, Web Development, Web Applications, Application Programming Interface (API), Server Side, File Systems, Javascript, File I/O, Web Servers, Databases, Authentications, Middleware, Cryptography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Governance, ISO/IEC 27001, Continuous Monitoring, Compliance Management, Cyber Risk, Cyber Security Policies, Cyber Security Strategy, Incident Response, Cloud Security, Cybersecurity, Security Management, Data Governance, Computer Security Incident Management, Cloud Management, Security Controls, Cloud Standards, Risk Management Framework, IT Management, Information Privacy, Security Awareness
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Employee Engagement, Performance Metric, Staff Management, Driving engagement, Education Software and Technology, People Analytics, Key Performance Indicators (KPIs), Employee Relations, Program Evaluation, Program Management, Organizational Leadership, Change Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Restful API, Spring Framework, Spring Boot, Hibernate (Java), API Design, Development Testing, Verification And Validation, Authentications, Object-Relational Mapping, Maintainability, Data Persistence, Authorization (Computing), Application Design, YAML, Role-Based Access Control (RBAC), Endpoint Security, Business Logic, Configuration Management
Intermediate · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Health Policy, Public Health, Health Systems, Geographic Information Systems, Systems Thinking, Health Assessment, Sustainable Development, Policy Development, Environmental Issue, Data Collection
Beginner · Course · 1 - 3 Months