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: Git (Version Control System), Model Training, Version Control, AI Workflows, Jupyter, Memory Management, Package and Software Management, Resource Utilization, Virtual Environment
Intermediate · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: SketchUp (3D Modeling Software), 3D Modeling, Architectural Drawing, Structural Engineering, Building Design, 3D Assets, Architectural Design, Civil and Architectural Engineering, Visualization (Computer Graphics), Engineering Drawings, Computer-Aided Design, Engineering Calculations, Engineering Design Process
Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Medical Privacy, Information Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Governance, Security Management, Computer Security Incident Management, Personally Identifiable Information, Continuous Monitoring, Law, Regulation, and Compliance, Data Security, Information Assurance, Document Management, Security Controls, Threat Management, Health Information Management, Security Strategy, General Data Protection Regulation (GDPR), Data Management, Cyber Governance, Incident Response
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Surveys, Survey Creation, User Feedback, Parent Communication, Constructive Feedback, Teaching, Professional Development, Instructional Strategies
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Anomaly Detection, Malware Protection, Threat Detection, Network Analysis, AI Security, Cybersecurity, Model Evaluation, Network Security, Machine Learning Methods, Classification Algorithms, Microsoft Windows
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Data-Driven Marketing, AI Personalization, Data Ethics, Digital Marketing, Marketing Strategies, Customer Engagement, Marketing Analytics, AI Enablement, Content Marketing, Generative AI, Social Media Marketing, Responsible AI, Artificial Intelligence, Digital Transformation, Social Media, Social Media Analytics, Customer Insights, Brand Strategy, Predictive Analytics
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Query Languages, MySQL, Database Management, Transaction Processing, Data Manipulation, Database Development, Relational Databases
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Disaster Recovery, Business Continuity Planning, Contingency Planning, Business Continuity, Benchmarking, Business Risk Management, Data Loss Prevention, Security Management, Risk Mitigation, Risk Analysis, Information Assurance, Data Maintenance, Data Strategy, Procedure Development, General Data Protection Regulation (GDPR), Program Standards, Personally Identifiable Information, Crisis Management, Law, Regulation, and Compliance, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Java Programming, Object Oriented Programming (OOP), Object Oriented Design, Java, Code Reusability, Maintainability, Programming Principles, Computer Programming, Application Development, Android Development, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, GitHub Copilot, Software Documentation, R (Software), Software Versioning, Microsoft Visual Studio, Technical Documentation, Program Development, Statistical Analysis, Development Environment, Descriptive Statistics, Statistical Programming, Programming Principles
Beginner · Course · 1 - 3 Months

Nanjing University
Skills you'll gain: Computer Systems, Programming Principles, System Programming, Computer Programming, System Software, Computer Architecture, Hardware Architecture, Operating Systems, Data Structures, Data Storage, Memory Management, Software Architecture, Computational Logic, Numerical Analysis, File Management
Mixed · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Design, Relational Databases, Database Theory, Database Systems, Data Modeling, Unified Modeling Language, Database Management, Databases, Data Integrity, Diagram Design, Enterprise Modeling, Dependency Analysis, Conceptual Design, Design Strategies
Build toward a degree
Beginner · Course · 1 - 4 Weeks