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.

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Business Reporting, Data Cleansing, Data Visualization, Data Management, Auditing, Analytics
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Copilot, User Interface and User Experience (UI/UX) Design, User Interface (UI), User Interface (UI) Design, UI Components, Web Components, Microsoft Development Tools, Frontend Performance, Front-End Web Development, Performance Tuning, Data Management, Event-Driven Programming, Application Frameworks, Web Applications, Server Side, Debugging
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, Application Deployment, Cascading Style Sheets (CSS), UI Components, Application Frameworks, Frontend Performance, Data Transformation, HTML and CSS, Server Side, User Interface (UI), Dataflow, Front-End Web Development, Hypertext Markup Language (HTML), Restful API, Code Reusability, TypeScript, Web Applications, Software Architecture, Model View Controller
Beginner · Specialization · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Materials science, Analytical Testing, Engineering, Scientific, and Technical Instruments, electromagnetics, Laboratory Research, Scientific Visualization, Laboratory Equipment, Chemistry, Physics, Applied Mathematics
Intermediate · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Qualitative Research, Interviewing Skills, Case Studies, Research, Research Methodologies, Data Collection, Research Design, Social Sciences, Culture, Psychology, Analytical Skills
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: PyTorch (Machine Learning Library), Recurrent Neural Networks (RNNs), Model Evaluation, Convolutional Neural Networks, Natural Language Processing, Deep Learning, Generative Adversarial Networks (GANs), Classification Algorithms, Transfer Learning, Model Training, Vision Transformer (ViT), Artificial Intelligence and Machine Learning (AI/ML), Image Analysis, Fine-tuning, Artificial Neural Networks, Machine Learning, Computer Vision, Generative Model Architectures, Graph Theory, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months
Macquarie University
Skills you'll gain: Microsoft Excel, Data Visualization, Spreadsheet Software, Data Management, Excel Formulas, Editing
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, Object Oriented Programming (OOP), Object Oriented Design, Game Design, C# (Programming Language), Code Reusability, Event-Driven Programming, File I/O, UI Components, User Interface (UI), Data Import/Export, Data Persistence, Configuration Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Analysis Software
Beginner · Guided Project · Less Than 2 Hours
Starweaver
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, AI Enablement, Application Design, Artificial Intelligence, Test Case, Process Optimization, Performance Tuning, Program Evaluation, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Token Optimization, ChatGPT, No-Code Development, OpenAI, LLM Application, Generative AI, Microsoft Power Platform, Application Programming Interface (API), Email Automation, Application Development, Microsoft Power Automate/Flow, Serverless Computing, Microsoft Azure, Microsoft Outlook, Email Marketing
Intermediate · Course · 3 - 6 Months

ISC2
Skills you'll gain: Cryptography, Key Management, Public Key Infrastructure, Encryption, Cryptographic Protocols, Data Security, Data Encryption Standard, Public Key Cryptography Standards (PKCS), Cybersecurity, Advanced Encryption Standard (AES), Authentications, Brute-force attacks, Data Integrity, Algorithms
Beginner · Course · 1 - 4 Weeks