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 London
Skills you'll gain: Key Management, Security Management, Cyber Attacks, Cryptography, Cyber Security Policies, Cybersecurity, Encryption, Cyber Risk, ISO/IEC 27001, Threat Management, Risk Management Framework, Security Controls, Data Integrity
Build toward a degree
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Business Leadership, Dashboard Creation, Strategic Leadership, Prompt Engineering Tools, Project Management, Generative AI Agents, AI powered creativity, ChatGPT, Generative AI, Email Marketing, Digital Marketing, Leadership and Management, Artificial Intelligence and Machine Learning (AI/ML), Deepseek, Artificial Intelligence, Initiative and Leadership, Responsible AI, Business, Business Operations
Beginner · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: AI Security, Responsible AI, Incident Response, Computer Security Incident Management, Data Ethics, Generative AI, LLM Application, Large Language Modeling, Generative Model Architectures, Prompt Patterns, Threat Modeling, Security Testing, Cybersecurity, IT Security Architecture, Artificial Intelligence, Machine Learning, Security Management, MLOps (Machine Learning Operations), Agentic systems, Ethical Standards And Conduct
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Algorithms, Memory Management, C++ (Programming Language), File I/O, Object Oriented Design, Code Reusability, C (Programming Language), Computational Thinking, Graph Theory, Programming Principles, Theoretical Computer Science, Program Development, Computer Programming, Computer Science, Computer Architecture, Data Storage, Application Development, Software Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Capital Budgeting, Financial Analysis, Financial Management, Investment Management, Return On Investment, Finance, Working Capital, Cash Flows, Tax
Mixed · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Cooking, Food and Beverage, Nutrition and Diet, Meal Planning And Preparation, Sensory Systems Analysis, Biochemistry, Aesthetics, Color Theory, Thermal Management, Chemistry, Physiology, Psychology
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, LLM Application, Application Deployment, Model Training, Cloud Deployment, Continuous Deployment, AI Workflows, AI Security, Data Ethics, Responsible AI, Prompt Engineering, Retrieval-Augmented Generation, Scalability, CI/CD, Site Reliability Engineering, Model Evaluation, Release Management, System Monitoring, Containerization
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Java Programming, Dataflow, Java, Distributed Computing, Programming Principles, Application Frameworks, Algorithms, Performance Tuning, Performance Testing, Functional Design, Graph Theory
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Responsible AI, Generative Model Architectures, Generative AI, AI Workflows, Data Ethics, Model Evaluation, Data Governance, AI literacy, Governance, Artificial Intelligence, Ethical Standards And Conduct, Organizational Strategy, Social Impact, Benchmarking, Emerging Technologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, Key Performance Indicators (KPIs), Cross-Functional Collaboration, Performance Measurement, Team Oriented, Cross-Functional Team Leadership, Compliance Management, Dashboard, Accountability, Continuous Monitoring, Regulatory Compliance, Dashboard Creation, Data Ethics, Governance Risk Management and Compliance, Governance, Performance Metric, Accountability Frameworks, Compliance Reporting, Regulatory Requirements, Law, Regulation, and Compliance
Beginner · Course · 1 - 4 Weeks
Stanford University
Skills you'll gain: Algorithms, Graph Theory, Theoretical Computer Science, Network Routing, Computational Thinking, Data Structures, Computer Science
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, General Networking, Wireless Networks, Networking Hardware, TCP/IP, Virtual Networking, Network Routers, Network Administration, Local Area Networks, OSI Models, Network Infrastructure, Computer Networking, Virtual Local Area Network (VLAN), Network Model, Network Security, Software-Defined Networking, Network Switches, Network Protocols, Command-Line Interface
Beginner · Course · 1 - 3 Months