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: Global Marketing, Brand Management, Marketing, Brand Strategy, Strategic Marketing, Marketing Management, Brand Marketing, Branding, Customer Relationship Management, Marketing Planning, Marketing Strategy and Techniques, Marketing Strategies, Digital Media Strategy, Customer Relationship Building, Customer Retention, Online Advertising, Digital Advertising, Digital Marketing, Marketing Communications, Marketing Channel
Build toward a degree
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, LangChain, LLM Application, Generative AI Agents, Prompt Engineering Tools, Model Evaluation, Fine-tuning, Agentic systems, Model Optimization
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Environmental Issue, Physical Science, Environment, Environmental Science, Geospatial Mapping, Physics, Simulation and Simulation Software, Experimentation, Scientific Visualization
Mixed · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Storytelling, Data Storytelling, Solution Design, Conversion Funnel Analysis, Design Thinking, Business Strategies, Business Strategy, Sustainable Business, Brand Strategy, Process Design, Business Solutions, Technology Strategies, Brand Marketing, Business Planning, Organizational Strategy, Digital Transformation, Market Opportunities, Design Strategies, Business Risk Management, Innovation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Model Optimization, Model Deployment, Model Training, AI Security, Benchmarking, Numerical Analysis, Process Optimization, Cloud Deployment, Model Evaluation, Keras (Neural Network Library), Network Model, Project Performance
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: OS Process Management, Operating Systems, System Programming, Performance Tuning, Data Structures, Event-Driven Programming, Data Access
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Account Management, AI Personalization, Customer Engagement, Customer Communications Management, Customer experience improvement, Personalized Service, Generative AI, Customer Insights, Customer Analysis, Communication, Predictive Analytics, Scalability, Customer Relationship Management (CRM) Software, Data Ethics, Email Automation, HubSpot CRM, Responsible AI, Business Process Automation, Analytics, Automation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Programming Principles, Computer Programming, Artificial Intelligence, Cloud Services, Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, Generative Model Architectures, Model Optimization, Transfer Learning, Artificial Neural Networks, Keras (Neural Network Library), Image Analysis, Convolutional Neural Networks, Deep Learning, Tensorflow, Data Preprocessing, Embeddings, Model Training, Network Architecture
Advanced · Course · 3 - 6 Months

Imperial College London
Skills you'll gain: Health Assessment, Public Health, Program Evaluation, Epidemiology, Public Health and Disease Prevention, Health Policy, Intelligence Collection and Analysis, Data Collection, Report Writing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Mobile Development, Web Development Tools, Android Development, React.js, Javascript, Unit Testing, Test Script Development, Node.JS, Software Testing, Package and Software Management, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Event-Driven Programming, Functional Design
Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Data Presentation, Data Structures, Data Visualization Software, File I/O, Market Data, Financial Data, Financial Analysis, Data Analysis, Programming Principles, Python Programming, Data Manipulation, Maintainability, Functional Design, Data Validation
Intermediate · Course · 1 - 4 Weeks