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: Splunk, Interactive Data Visualization, Pivot Tables And Charts, Data Presentation, Dashboard Creation, Dashboard, Data Modeling, Performance Tuning, Model Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Processing, Google Cloud Platform, Data Store, Extract, Transform, Load, Data Pipelines, Data Capture, Unstructured Data, Cloud API, Cloud-Based Integration, Geospatial Information and Technology, Cloud Storage, AI Integrations, Cloud Deployment, Serverless Computing, Business Process
Beginner · Project · Less Than 2 Hours

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

Google Cloud
Skills you'll gain: Looker (Software), Google Cloud Platform, Big Data, SQL, Data Presentation, Data Visualization, Dashboard, Data Transformation, Applied Machine Learning, Data Visualization Software, Data Cleansing, Dashboard Creation, Machine Learning, Database Management, Data Access, Model Evaluation, Model Training, Data Wrangling, Query Languages, Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Interface (UI), Application Development, Application Deployment, UI Components, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Program Development, Interactive Design, Development Environment, Software Development Life Cycle, Software Testing, Context Management, Frontend Integration, Application Frameworks, Application Performance Management, Debugging, Application Security, Event-Driven Programming, Web Services
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Digital Transformation, Real Time Data, Data Governance, Business Transformation, Google Cloud Platform, Data Warehousing, Data Management, Cloud Storage, Data Transformation, Data Access, Data Storage, Big Data, Looker (Software), Analytics, Data Processing, Data-Driven Decision-Making, Business Intelligence, Data Pipelines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Data Pipelines, Data Processing, Debugging, Performance Tuning, Serverless Computing, CI/CD, Unit Testing, Google Cloud Platform
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cloud Security, Data Loss Prevention, File Management, Google Cloud Platform, Data Access, Cloud Storage, Data Security, Data Management, Cloud Computing, Personally Identifiable Information, Unstructured Data
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Google Gemini, Marketing Strategies, Customer Analysis, Gemini, Big Data, Forecasting, Customer Insights, Predictive Analytics, Marketing, Analytics, Data-Driven Marketing, Target Audience, Data Analysis, Marketing Analytics, Campaign Planning, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Applied Machine Learning, Google Cloud Platform
Beginner · Course · 1 - 4 Weeks

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