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.

École Polytechnique
Skills you'll gain: Probability, Simulations, Probability & Statistics, Probability Distribution, Statistical Methods, Mathematical Theory & Analysis, Sampling (Statistics), Statistical Inference, Calculus, Integral Calculus
Mixed · Course · 1 - 3 Months

Skills you'll gain: Databases, Relational Databases, Project Schedules, Milestones (Project Management), Database Software, Calendar Management, Project Management, Content Management Systems, Client Support, Process Management, Project Documentation, Document Management, Process Improvement and Optimization, User Accounts
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Program Development, Computer Programming, Data Modeling, Transaction Processing
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Report Writing, Microsoft Word, Microsoft Excel, Microsoft Outlook, Gmail, Excel Formulas, Microsoft Office, Business Reporting, Spreadsheet Software, Pareto Chart, Data Analysis Software, Productivity Software, Run Chart, Trend Analysis, Computer Literacy, Document Management, Business Correspondence, Data Visualization, Collaborative Software, Goal Setting
Beginner · Course · 3 - 6 Months

Microsoft
Skills you'll gain: Role-Based Access Control (RBAC), Authentications, Secure Coding, ASP.NET, Endpoint Security, Microsoft Copilot, Data Security, Back-End Web Development, Authorization (Computing), Application Security, JSON, Identity and Access Management, Data Storage, Encryption
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, LLM Application, Large Language Modeling, Matlab, AI Personalization, Generative AI, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Access, Object Oriented Design, Relational Databases, Object Oriented Programming (OOP), Database Software, JUnit, Data Integrity, SQL, Database Development, Java, Java Programming, Database Management, Databases
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Spring Boot, Database Design, Object-Relational Mapping, Application Frameworks, Spring Framework, Data Modeling, Database Development, Database Software, Data Mapping, Application Development, Database Architecture and Administration, Requirements Analysis, Data Persistence
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Cloud Infrastructure, Google Cloud Platform, Cloud Development, Cloud Applications, Prompt Engineering Tools, Identity and Access Management, Kubernetes, Prompt Patterns, Cloud Deployment, Cloud Services, Cloud Computing, Cloud Management, Network Infrastructure, Generative AI, Cloud Storage, Containerization, Virtual Machines, Serverless Computing, Data Storage
Beginner · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Budget Management, Financial Statements, Financial Statement Analysis, Financial Acumen, Financial Management, Budgeting, Financial Data, Financial Analysis, Financial Planning, Finance, Performance Analysis, Resource Allocation, Variance Analysis, Cost Benefit Analysis, Investment Management, Return On Investment, Team Performance Management, Investments
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Agile Methodology, Scrum (Software Development), Embedded Software, Agile Software Development, Embedded Systems, Software Testing, Development Testing, Software Development Methodologies, Agile Project Management, Git (Version Control System), Docker (Software), Containerization, Linux, System Programming, Electrical and Computer Engineering, Application Deployment, Operating Systems, File Systems, Internet Of Things, Build Tools
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Presentation, Statistical Reporting, Data Collection, Data Analysis, Data Management, Data Synthesis, Analytical Skills, Analytics, Exploratory Data Analysis, Statistical Analysis, Coordinating, Coordination, Statistical Modeling, Statistical Inference, Communication
Mixed · Course · 1 - 4 Weeks