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: Fraud detection, Accounting Software, Financial Auditing, Data-Driven Decision-Making, Reconciliation, Business Workflow Analysis, Operational Analysis, Artificial Intelligence, Transaction Processing, Process Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Recurrent Neural Networks (RNNs), Tensorflow, Python Programming, Natural Language Processing, Data Preprocessing, Applied Machine Learning, Text Mining, Machine Learning Algorithms, Deep Learning, Classification Algorithms, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Regulatory Compliance, Risk Analysis, Data Ethics, Emerging Technologies, Cloud Security, AI Security, Blockchain
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Debugging, File I/O, Programming Principles, Maintainability, Software Testing, Program Development, C (Programming Language), Algorithms, Simulations, System Programming, Computer Programming, Data Structures, Software Development, Software Engineering, Command-Line Interface, Development Environment, User Interface (UI), Solution Design, Problem Solving, Software Design
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Responsive Web Design, HTML and CSS, Web Development, Javascript, Web Design, JavaScript Frameworks, Web Development Tools, Web Servers, Web Design and Development, Browser Compatibility, Web Content, Web Analytics and SEO, Server Side, Hypertext Markup Language (HTML), Web Applications, Web Frameworks, Front-End Web Development, Event-Driven Programming, Web Content Accessibility Guidelines, Software Development
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: No-Code Development, User Centered Design, Mobile Development, Web Applications, User Interface (UI) Design, Experience Design, UI/UX Research, User Feedback, Functional Testing, Integration Testing, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI Agents, Retrieval-Augmented Generation, Google Gemini, Responsible AI, Generative AI, Google Workspace, Google Cloud Platform, Gemini, AI Product Strategy, AI Enablement, AI Workflows, Productivity Software, AI Security, Unstructured Data, Tool Calling, Data Literacy, Artificial Intelligence, Cloud Computing, Collaboration
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Adobe Firefly, Adobe Photoshop, Photo Editing, Storytelling, Adobe Creative Cloud, Generative AI Agents, Data Import/Export, Image Quality, Color Theory, Generative AI, Photography, Graphic and Visual Design, Editing, Creative Design, Design Elements And Principles, Design Software, Design, Creative Thinking, Creativity, Portfolio Management
Beginner · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Graph Theory, Logical Reasoning, Combinatorics, Computational Logic, Deductive Reasoning, Cryptography, Probability, Computational Thinking, Encryption, Probability Distribution, Network Analysis, Public Key Cryptography Standards (PKCS), Theoretical Computer Science, Bayesian Statistics, Python Programming, Data Structures, Cybersecurity, Algorithms, Arithmetic, Visualization (Computer Graphics)
Beginner · Specialization · 3 - 6 Months

Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, Object Oriented Programming (OOP), Model View Controller, Java, Front-End Web Development, Spring Framework, Object Oriented Design, Integrated Development Environments, Javascript, Software Design Patterns, Web Components, Development Environment, Web Applications, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: TypeScript, Restful API, API Design, Full-Stack Web Development, PostgreSQL, Application Programming Interface (API), Object-Relational Mapping, Secure Coding, Web Applications, JavaScript Frameworks, SQL, Front-End Web Development, React.js, Database Systems, Relational Databases, Database Management, Development Environment, Back-End Web Development, Javascript, Artificial Intelligence
Beginner · Course · 3 - 6 Months