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: Data Structures, File I/O, Network Routing, Graph Theory, Computer Networking, Object Oriented Programming (OOP), Python Programming, Network Routers, Program Development, Algorithms, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Duke University
Skills you'll gain: C (Programming Language), Data Structures, C and C++, Programming Principles, Algorithms, Memory Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Server Side, Full-Stack Web Development, MySQL, Frontend Integration, Node.JS, Back-End Web Development, React.js, Database Management, Web Applications, Application Programming Interface (API), Web Development, SQL, Restful API, Web Development Tools, Postman API Platform, Code Reusability, Front-End Web Development, HTML and CSS
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Productivity Software, Microsoft Office, Excel Formulas, Data Visualization, Microsoft Word, Computer Literacy, Workforce Development, Information Technology
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: CI/CD, C# (Programming Language), Azure DevOps, Load Balancing, Object Oriented Design, Continuous Integration, Role-Based Access Control (RBAC), Continuous Delivery, Scalability, Authentications, SQL, Microsoft Copilot, .NET Framework, Relational Databases, ASP.NET, Database Management, Graph Theory, Back-End Web Development, Program Development, Data Structures
Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Dataflow, Tensorflow, Data Pipelines, Data Transformation, Data Processing, Data Store, Keras (Neural Network Library), Machine Learning Methods, Data Modeling, Machine Learning, Python Programming, Statistical Methods
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Payroll, HR Tech, Compensation Strategy, Human Resources Software, Compensation and Benefits, Benefits Administration, Payroll Systems, Compensation Analysis, Compensation Management, Payroll Processing, Payroll Administration, Human Resources, Operational Efficiency, Responsible AI, AI Enablement, Data Ethics, AI Personalization, Benefits Enrollment Processes, Employee Engagement, Social Media Analytics
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Data Literacy, Statistical Visualization, Infographics, Graphic and Visual Design, Data Modeling, Human Factors, Color Theory, Design Elements And Principles, Graphing
Build toward a degree
Beginner · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Research Methodologies, Research Design, Scientific Methods, Personal Attributes, Research, Qualitative Research, Critical Thinking, Persistence, Program Evaluation, Tenacity, Psychological Evaluations, Surveys, Strong Work Ethic, Data Collection, Self-Discipline, Reliability, Interviewing Skills
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, OpenAI API, Fine-tuning, Model Training, Data Preprocessing, OpenAI, Large Language Modeling, Real Time Data, Data Processing, LLM Application, Data Manipulation, Generative AI, Python Programming, Customer Analysis, Machine Learning, Customer Complaint Resolution
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Looker (Software), Ad Hoc Reporting, Ad Hoc Analysis, Data Analysis, Exploratory Data Analysis, Database Application
Beginner · Project · Less Than 2 Hours

Universiteit Leiden
Skills you'll gain: Political Sciences, International Relations, Economics, Policy, and Social Studies, Sustainable Development, Socioeconomics, Social Sciences, Economic Development, Governance, Policty Analysis, Research, and Development, Economics, Public Policies, Community Development, Cultural Diversity, Sociology, Analysis
Beginner · Course · 1 - 3 Months