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: Flask (Web Framework), Restful API, Application Deployment, Cloud Deployment, Dashboard Creation, Full-Stack Web Development, Application Programming Interface (API), Data Visualization, Object-Relational Mapping, Interactive Data Visualization, Application Development, Cloud Applications, API Design, Back-End Web Development, Database Management, Bootstrap (Front-End Framework), Database Development, Authentications, Web Applications, Web Development
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Object Oriented Design, Java, Object Oriented Programming (OOP), Unit Testing, Java Programming, Application Development, Data Structures, Application Design, Software Testing, Program Development, Programming Principles, Systems Development, Test Driven Development (TDD), Computer Programming, Other Programming Languages
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), JSON, Object Oriented Design, Unit Testing, Python Programming, Code Reusability, Software Testing
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Looker (Software), Performance Tuning, Query Languages, Exploratory Data Analysis, Model Optimization, Data Persistence, Continuous Monitoring, Data Analysis, System Monitoring, Google Cloud Platform
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: React.js, Frontend Performance, Context Management, Front-End Web Development, JavaScript Frameworks, UI Components, Data Persistence, Application Programming Interface (API)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Productivity Software, Collaborative Software, Microsoft Office, Spreadsheet Software, Google Sheets, Data Visualization, Excel Formulas, Data Entry, File Management, Microsoft Excel, Editing
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Strategic Planning, Organizational Strategy, Case Studies, Business Planning, Stakeholder Engagement, Resource Allocation, Stakeholder Management, Resource Management, Strategic Leadership, Resource Planning, Business Strategies, Stakeholder Analysis, Business Strategy, Leadership and Management, Strategic Thinking, Systems Thinking, Mitigation, Non-Profit Accounting, Public Administration, Leadership Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Working Capital, Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Data, Balance Sheet, Income Statement, Cash Flows, Financial Modeling, Return On Investment, Accounts Payable and Receivable, Risk Analysis, Market Analysis, Accounts Receivable, Business Risk Management, Private Equity, Performance Measurement, Operational Efficiency, Microsoft Excel, Lease Contracts
Mixed · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Agentic Workflows, Technical Communication, AI Enablement, Model Deployment, AI Workflows, Generative AI Agents, Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Decision Intelligence, Agentic systems, Responsible AI, Artificial Intelligence, Cloud Computing, Deep Learning, Data Visualization, Python Programming, Machine Learning, Data Engineering, Anomaly Detection, Statistical Analysis
Beginner · Specialization · 1 - 3 Months

Wesleyan University
Skills you'll gain: Psychosocial Assessments, Psychiatry, Pharmacotherapy, Clinical Psychology, Mental Health Diseases and Disorders, Pharmacology, Psychiatric Assessments, Psychotherapy, Psychology, Mental Status Examination, Psychological Evaluations, Mental Health Therapies, Patient Evaluation, Neurology, Scientific Methods, Magnetic Resonance Imaging, Research Methodologies, Medical Imaging, Case Studies, Patient Communication
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Ad Hoc Reporting, Ad Hoc Analysis, Data Analysis, Exploratory Data Analysis, Database Application
Beginner · Project · Less Than 2 Hours

CVS Health
Skills you'll gain: Active Listening, Call Center Experience, De-escalation Techniques, Greeting Customers, Growth Mindedness, Customer Service, Empathy, Interviewing Skills, Cross Selling, Retail Sales, Customer Support, Data Entry, Selling Techniques, Customer Relationship Building, Collaboration, Upselling, Teamwork, Customer Complaint Resolution, Communication, Time Management
Beginner · Professional Certificate · 3 - 6 Months