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: Vibe coding, Performance Tuning, Software Development Tools, Code Review, AI Security, Collaborative Software, AI Workflows, Generative AI, Software Engineering, Software Technical Review, Application Security, Software Development, Prompt Engineering, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Debugging, Software Development Life Cycle, Automation, Analysis
★ 5 (7) · Intermediate · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Data Ethics, Data Collection, Quantitative Research, Qualitative Research, Data Analysis, Statistical Analysis, Analytical Skills, Statistical Methods, Analytics, Regression Analysis, Research, Diversity Awareness, Focus Group, Correlation Analysis, Diversity and Inclusion, Research Methodologies, Business Analytics, Data Synthesis, Statistical Inference, Stakeholder Analysis
★ 4.8 (96) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Architecture, Network Protocols, Wireless Networks, Network Performance Management, Network Planning And Design, Network Engineering, Network Infrastructure, Communication Systems, Network Model, Telecommunications, Digital Signal Processing
★ 4.7 (22) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Azure Synapse Analytics, Microsoft Azure, Data Lakes, Cloud-Based Integration, Transact-SQL, Data Integration, Cloud Storage, File Management
★ 4.6 (98) · Intermediate · Guided Project · Less Than 2 Hours

Anthropic
Skills you'll gain: Model Context Protocol, AI Integrations, Anthropic Claude, AI Workflows, Tool Calling, Prompt Engineering, Program Development, Test Tools, Servers, Debugging, Document Management
★ 4.8 (26) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud Computing, Cloud Platforms, Cloud Computing Architecture, Process Optimization, Process Improvement and Optimization, Cloud Deployment, Cloud Services, Process Improvement, Manufacturing Operations, Manufacturing and Production, Internet Of Things, Innovation, Manufacturing Processes, Robotics, Cybersecurity, Automation, Augmented and Virtual Reality (AR/VR), Industrial Engineering, Workforce Development, Change Management
★ 4.5 (30) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Health Informatics, Azure Active Directory, Medical Privacy, Cloud Security, Health Care, Identity and Access Management, Real Time Data, Data Infrastructure, Model Training, Patient Education and Support, AI Security, Microsoft Azure, Clinical Data Management, Clinical Monitoring, Health Technology, Image Analysis, Data Visualization Software, Patient Communication, Generative AI, AI Integrations
Beginner · Professional Certificate · 3 - 6 Months

Northwestern University
Skills you'll gain: Machine Controls, Robotics, Control Systems, Process Control, Graph Theory, Algorithms, Virtual Environment, Simulation and Simulation Software, Mathematical Modeling, Data Structures, Torque (Physics)
★ 4.8 (140) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Restful API, Database Design, Database Development, Database Application, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Relational Databases, Authentications, Server Side, Application Programming Interface (API), Cloud Development, Cloud Deployment, Middleware, Scalability, Javascript
★ 4.5 (52) · Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Prompt Engineering, Overcoming Objections, Closing (Sales), Rapport Building, Business Ethics, B2B Sales, Vibe coding, Prompt Patterns, Data Ethics, Price Negotiation, Content Performance Analysis, Negotiation, LLM Application, ChatGPT, AI Personalization, Generative AI Agents, Video Production, Artificial Intelligence, Generative AI, Content Creation
★ 4.6 (24) · Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Pay Per Click Advertising, Search Engine Marketing, Customer Retention, Digital Marketing, Paid media, Search Engine Optimization, Online Advertising, Keyword Research, Conversion Funnel Analysis, Digital Marketing Campaigns, Digital Advertising, Marketing Strategy and Techniques, Content Optimization, Marketing, Customer Acquisition Management, Customer Engagement, Lead Generation, Target Audience, Target Market
★ 4.7 (117) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Metadata Management, Extract, Transform, Load, Data Integration, Data Pipelines, Business Logic, Data Processing, Java, Data Import/Export, Data Transformation, Software Documentation
Mixed · Course · 1 - 4 Weeks