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: Data Storytelling, Data Cleansing, Rmarkdown, Data Presentation, Data Visualization, Analytical Skills, Tableau Software, Dashboard, Stakeholder Communications, Dashboard Creation, Data Literacy, Data Integrity, Case Studies, Interactive Data Visualization, Data Analysis, Spreadsheet Software, Data Ethics, Ggplot2, Data Validation, Database Management
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Graph Theory, Algorithms, Game Theory, Data Structures, Computer Programming, Computational Thinking, Problem Solving
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Predictive Analytics, Patient Safety, Health Informatics, Patient-centered Care, Predictive Modeling, Clinical Leadership, Care Management, Nursing and Patient Care, Health Care, Data-Driven Decision-Making, Data Storytelling, Health Care Administration, Health Technology, Data Collection, Business Leadership, Data Analysis, Healthcare Industry Knowledge, Applied Machine Learning, Data Quality, Safety Standards
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Design, Database Software, Database Management Systems, SQL, Database Theory, Relational Databases, Database Management, Databases, MySQL, Database Administration, Data Integrity, Query Languages, Data Manipulation
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Simulations, Social Sciences, Systems Thinking, Agentic systems, Computational Thinking, Social Impact, Sociology, Socioeconomics, Scientific Methods, Artificial Intelligence and Machine Learning (AI/ML), Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Collection, Marketing, Data-Driven Marketing, Marketing Analytics, Digital Marketing Tools, Google Analytics, Online Advertising, Meta Ads Manager, Digital Marketing, Data Capture, Application Programming Interface (API), Law, Regulation, and Compliance, Web Analytics, Information Privacy, Data Integration, Analytics, Facebook, Data Analysis, Advertising
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Deep Learning, Artificial Neural Networks, Computer Vision, Artificial Intelligence, Model Optimization, Model Training, Network Architecture, Logistic Regression
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Teradata SQL, Query Languages, SQL, Identity and Access Management, Cloud Security, Role-Based Access Control (RBAC), Database Management, Google Cloud Platform, Extract, Transform, Load, Data Warehousing, Capacity Management, Data Migration, Database Design, Data Modeling, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Workspace, Gmail, Data Management, Systems Administration, Data Migration, File Management, Security Controls, Event Monitoring, Data Security, User Accounts, Email Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: System Monitoring, Event Monitoring, Performance Tuning, Incident Response, Continuous Monitoring, Query Languages, Incident Management, Root Cause Analysis, Technical Documentation, Data Analysis, Data Storage
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Excel Macros, Programming Principles, Visual Basic (Programming Language), Object Oriented Programming (OOP), Computer Programming, Debugging, Data Cleansing, Problem Solving, Code Reusability, Algorithms, Spreadsheet Software, Data Management, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: R Programming, Predictive Analytics, Applied Machine Learning, Predictive Modeling, R (Software), Data-Driven Decision-Making, Data Science, Machine Learning Software, Feature Engineering, Data Preprocessing, Machine Learning Methods, Machine Learning, Model Training, Telemarketing, Model Deployment, Model Optimization
Intermediate · Guided Project · Less Than 2 Hours