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.

Johns Hopkins University
Skills you'll gain: Epidemiology, Data-Driven Decision-Making, Public Health, Public Health and Disease Prevention, Health Care, Health Informatics, Infectious Diseases, Data Collection, Analytics, Health Systems, Data Ethics, Data Quality, Decision Support Systems, Program Evaluation, Health Technology
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Google Gemini, Gemini, Google Cloud Platform, Data-Driven Marketing, Generative AI, Marketing Analytics, Customer Analysis, Customer Insights, Advanced Analytics, Analytics, Predictive Modeling, Marketing Strategies, Forecasting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Data Wrangling, Dashboard Creation, Data Manipulation, Google Cloud Platform, Data Import/Export, Data Transformation, Data Cleansing, Dataflow, Data Analysis, Sampling (Statistics), Course Development
Beginner · Project · Less Than 2 Hours

Skills you'll gain: SQL, Metadata Management, SAS (Software), Data Management, Data Maintenance, Relational Databases, Data Manipulation, Data Transformation, Query Languages, Data Governance, Data Integrity, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Processing, Metadata Management, Cloud Storage, Google Cloud Platform, Data Pipelines, Data Migration, Big Data, Data Storage, Extract, Transform, Load, Data Infrastructure, Data Lakes, Data Import/Export, Cloud Services, Data Management, Automation, Data Transformation
Beginner · Course · 1 - 3 Months

Skills you'll gain: MySQL, Data Migration, Database Administration, Database Software, Stored Procedure, User Provisioning, Data Validation
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Cloud Storage, Google Cloud Platform, Cloud Management, Data Lakes, Data Import/Export, Data Storage, Data Storage Technologies, Data Migration
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Cloud Deployment, Google App Engine, Application Deployment, Google Cloud Platform, Go (Programming Language), Cloud Applications, Cloud Development, Software Testing, Development Testing, Data Access, Web Development Tools, Database Application
Beginner · Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Excel Macros, Prompt Engineering, Microsoft Excel, Data Cleansing, Excel Formulas, Pivot Tables And Charts, Microsoft Copilot, Spreadsheet Software, Forecasting, Data Presentation, Dashboard Creation, Data Processing, Data Visualization Software, Data Manipulation, Data Visualization, Predictive Modeling, Workflow Management, Statistical Analysis, Data Transformation, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Ethics, Business Ethics, Responsible AI, Ethical Standards And Conduct, Legal Risk, Sustainable Development, Law, Regulation, and Compliance, Medical Privacy, Information Privacy, Artificial Intelligence and Machine Learning (AI/ML), Decision Making, Artificial Intelligence, Accountability, Business Strategy, Safety and Security, Emerging Technologies, Human Centered Design
Mixed · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Data Pipelines, Data Migration, Extract, Transform, Load, Cloud Storage, Data Import/Export, Data Infrastructure, Big Data, Data Processing, Data Lakes, Analytics, Data Storage, Data Transformation, Metadata Management, Automation
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Decision Intelligence, Data Governance, AI Enablement, Health Informatics, Machine Learning Algorithms, Analytics, Clinical Informatics, Machine Learning Methods, Advanced Analytics, Data-Driven Decision-Making, AI Integrations, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Predictive Analytics, Applied Machine Learning, Machine Learning, Predictive Modeling, Artificial Neural Networks
Beginner · Course · 1 - 4 Weeks