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: Gmail, Authorization (Computing), Google Workspace, Email Security, Data Governance, Cloud Management, Cloud Security, OAuth, Identity and Access Management, Document Management, Role-Based Access Control (RBAC), Data Management, Authentications, File Management, User Provisioning, Data Security, Data Sharing, Security Assertion Markup Language (SAML), Single Sign-On (SSO), Email Marketing
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Bayesian Statistics, Analysis, Computer Science
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Strategic Planning, Organizational Strategy, Case Studies, Business Planning, Stakeholder Engagement, Resource Allocation, Stakeholder Management, Resource Management, Strategic Leadership, Resource Planning, Stakeholder Analysis, Leadership and Management, Strategic Thinking, Systems Thinking, Mitigation, Non-Profit Accounting, Strategic Decision-Making, Organizational Change, Public Administration, Leadership Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Maintainability, Network Engineering, Software Development Tools, API Testing, Restful API, Data Import/Export, Git (Version Control System), Virtualization and Virtual Machines, Computer Programming Tools, Devops Tools, Extensible Languages and XML, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Strategic Marketing, Marketing Strategies, Consumer Behaviour, Marketing, Data-Driven Marketing, Marketing Planning, Marketing Strategy and Techniques, Marketing Analytics, Target Market, Customer Insights, Value Propositions, Decision Making
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Database Administration, PostgreSQL, Database Management, Operational Databases, SQL, Google Cloud Platform
Beginner · Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: Exploratory Data Analysis, Customer Analysis, Market Analysis, Marketing Analytics, Customer Insights, Big Data, Data Mining, Analytics, Target Market, Data Analysis, Target Audience, R Programming, R (Software), Unsupervised Learning, Data-Driven Decision-Making, Machine Learning Algorithms, Descriptive Statistics, Statistical Modeling, Data Strategy, Consumer Behaviour
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Integration, Excel Formulas, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Javascript, Web Design and Development, HTML and CSS, Web Development Tools, Event-Driven Programming, Data Validation, Hypertext Markup Language (HTML), Programming Principles, Scripting Languages, Computer Programming, Verification And Validation, Event Monitoring, Debugging
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Apache, Web Development, Web Scraping, Web Applications, Python Programming, Database Application, Data Persistence, Web Servers, Databases, Web Frameworks, Server Side, Application Frameworks, Extensible Markup Language (XML), Scripting, Network Protocols, Hypertext Markup Language (HTML), Servers, UI Components, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Survey Creation, Surveys, Interviewing Skills, Data Collection, Research Design, Qualitative Research, Research Methodologies, Research, Peer Review, Statistical Analysis
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Agentic systems, Retrieval-Augmented Generation, Vector Databases, Agentic Workflows, Generative AI Agents, MongoDB, Model Context Protocol, Scalability, Embeddings, AI Workflows, Node.JS, PostgreSQL, Data Integration, Database Management, API Design, Data Transformation, Data Structures, Data Storage
Advanced · Course · 1 - 4 Weeks