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 Illinois Urbana-Champaign
Skills you'll gain: Stakeholder Engagement, Environmental Monitoring, Hydrology, Cultural Responsiveness, Community Outreach, Water Resource Management, Environmental Engineering and Restoration, Water Resources, Cultural Diversity, Diversity Awareness, Policty Analysis, Research, and Development, Land Management, Policy Analysis, Social Sciences, Cultural Sensitivity, Environment and Resource Management, Environmental Laws, Natural Resource Management, Water Quality, Climate Change Adaptation
★ 4.9 (19) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Medical Privacy, Pharmacology, Pharmacy, Pharmacy Operations, Pharmaceuticals, Basic Life Support (BLS) Certification, Healthcare Ethics, Medication Dispensation, Health Care Procedure and Regulation, Pharmacotherapy, Clinical Pharmacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Infectious Diseases, Life Support, Public Health and Disease Prevention, Emergency Response, Health Information Management and Medical Records, Bloodborne Pathogens, Public Health, Information Privacy
★ 4.9 (26) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Django (Web Framework), Postman API Platform, Restful API, Data Validation, Authentications, Authorization (Computing), Application Programming Interface (API), API Design, JSON, API Testing, Object-Relational Mapping, Python Programming
★ 4.6 (49) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Continuous Deployment, Microsoft Power Platform, Azure Synapse Analytics, Data Pipelines, Analytics, Data Governance, Advanced Analytics, Data Security, Data Architecture, Data Management, Data Analysis Expressions (DAX), Power BI, Microsoft Excel, Exploratory Data Analysis, Apache Spark, Application Deployment, SQL, Governance, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative Model Architectures, AI Product Strategy, AI Integrations, Risking, Decision Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Data Migration, Oracle Cloud, Database Administration, Data Import/Export, Database Development, Database Architecture and Administration, Application Development, Database Management, Performance Tuning, Disaster Recovery, SQL, Cloud Infrastructure, Identity and Access Management, Scalability, Encryption
★ 4.6 (40) · Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Product Lifecycle Management, Climate Change Mitigation, Energy and Utilities, Environmental Science, Sustainable Development, Mathematical Modeling, Sustainable Engineering, Sustainable Systems, Analysis, Microsoft Excel, Process Analysis, Data Literacy, Scenario Testing, Model Optimization, Open Source Technology
★ 4.4 (27) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Telecommunications, Communication Systems, Distributed Computing, Wireless Networks, Digital Communications, General Networking, Local Area Networks, Network Model, Network Routing, Routing Protocols, Network Protocols, Global Positioning Systems
★ 4.7 (72) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, FinTech, Organizational Structure, Governance, Emerging Technologies, Web Applications, Transaction Processing, Law, Regulation, and Compliance, Distributed Computing, Digital Assets, Payment Processing, Regulatory Compliance, Ledgers (Accounting), Data Security, Financial Regulation, Case Studies
★ 4.7 (10) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Mathematical Modeling, Systems Architecture, Automation Engineering, Control Systems, Network Model, Mechanical Engineering, Mechanics, Systems Analysis, Theoretical Computer Science, Applied Mathematics, Automation, Differential Equations, Safety Assurance, Failure Analysis, Basic Electrical Systems
★ 3.3 (23) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microsoft Visio, Process Flow Diagrams, Diagram Design, Collaborative Software, Process Design, Process Modeling, Data Visualization, Process Mapping, Workflow Management, Business Workflow Analysis, Business Process Automation, Graphic and Visual Design Software, Process Analysis, Organizational Structure, Graphic and Visual Design, Collaboration, Data Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Patient Communication, Patient Education and Support, Constructive Feedback, Resilience, Emotional Intelligence, Compassion, Patient Education And Counseling, Patient-centered Care, Empathy, Employee Engagement, Telehealth, Interpersonal Communications, Self-Awareness, Active Listening, Communication, Data Analysis, Cultural Sensitivity, Quality Improvement, Leadership and Management, Continuous Improvement Process
Beginner · Specialization · 3 - 6 Months