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 Maryland, College Park
Skills you'll gain: Stakeholder Engagement, Project Management Institute (PMI) Methodology, Project Implementation, Plan Execution, Project Management Life Cycle, Risk Management, Technical Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Orchestration, AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, OpenAI API, Model Deployment, OpenAI, Tool Calling, AI Integrations, LLM Application, Enterprise Application Management, OAuth, Model Context Protocol, Prompt Engineering, Performance Tuning, Real Time Data, Interoperability, Prompt Patterns, Application Deployment
Intermediate · Professional Certificate · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Customer Relationship Management, Customer Data Management, Data-Driven Decision-Making, Sales Pipelines, Customer Analysis, Sales Management, Customer Engagement, Big Data, Customer Relationship Building, Customer Insights, Customer experience strategy (CX), Business Analytics, Target Audience, Data-Driven Marketing, Customer experience improvement, Business Metrics, Analytics, AI Personalization, Consumer Behaviour, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Server Side, Full-Stack Web Development, Middleware, Authentications, API Design, Application Programming Interface (API), User Accounts, Databases, JavaScript Frameworks, GitHub, Development Environment, Data Validation
Intermediate · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Data Analysis, Research Design, Epidemiology, Statistical Inference, Statistical Analysis, Analysis, Clinical Research, Biostatistics, Quantitative Research, Public Health, Statistical Methods, Health Care, Probability & Statistics, Research Methodologies, Research, Clinical Trials, Science and Research, Medical Science and Research, Statistics, Descriptive Statistics
Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Algorithms, Graph Theory, Model Optimization, Applied Mathematics, Theoretical Computer Science, Combinatorics, Operations Research
Intermediate · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Marketing Automation, Marketing Planning, Marketing Analytics, Competitive Analysis, Prompt Engineering, Email Automation, Search Engine Optimization, Generative AI, Key Performance Indicators (KPIs), AI Personalization, Lead Generation, A/B Testing, Content Creation, Web Analytics, Performance Measurement, Data Visualization, Customer Insights, Data-Driven Decision-Making, Digital Marketing, Content Strategy
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Digital Transformation, Patient Education and Support, Microsoft Azure, Collaborative Software, Health Technology, Patient Communication, Generative AI, Microsoft Teams, Data Ethics, Health Informatics, Healthcare Ethics, Care Coordination, Cloud Computing Architecture, Cloud Platforms, Cloud Hosting, Cloud Computing, Cloud Security, Cloud Infrastructure, AI Security
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Routing Protocols, Code Reusability, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, Authentications, Data Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Object Oriented Design, Test Automation, Hypertext Markup Language (HTML), Software Testing, Test Script Development, Integrated Development Environments, Web Design and Development, Test Data, Browser Compatibility, Computer Programming, Test Tools, Web Development, Programming Principles
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Database Management, Relational Databases, MySQL, PHP (Scripting Language), SQL, Databases, Web Applications, Object Oriented Programming (OOP), Web Development, Hypertext Markup Language (HTML), Back-End Web Development, Data Access
Intermediate · Guided Project · Less Than 2 Hours