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 Presentation, Peer Review, Interactive Data Visualization, Data Visualization, Storytelling, Microsoft Excel, Dashboard Creation, Data-Driven Decision-Making, Presentations, Pivot Tables And Charts, Data Visualization Software, Business Intelligence, Constructive Feedback, Financial Reporting, User Feedback, Business, Stakeholder Communications, Case Studies, Decision Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Pandas (Python Package), Data Visualization, Data Manipulation, Statistical Visualization, Data Processing, Data Import/Export, Regression Analysis
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: AI Personalization, Nutrition and Diet, Nutritional Assessment, Personalized Service, Clinical Nutrition, Precision Medicine, Medical Nutrition Therapy, Nutrition Education, Data Ethics, Dietetics, Data Collection, Data Capture, Diagnostic Tests, Responsible AI, Data Analysis, Clinical Research, Health Equity, Health Technology, Consumer Behaviour, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Digital Transformation, Business Transformation, Customer experience strategy (CX), Data Strategy, Organizational Development, Business Modeling, Analytics, Organizational Change, Machine Learning Software, Technology Strategies, Innovation, Machine Learning, Business Strategy, Competitive Intelligence, Workforce Development, Strategic Decision-Making, Forecasting, Competitive Analysis, Process Optimization
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Interactive Data Visualization, Dashboard Creation, Data Presentation, Data Storytelling, Dashboard, Data Visualization Software, Data Security, Data Integration, Data Transformation, Data Integrity, Data Import/Export, Data Management, Data Manipulation, Data Modeling, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Graph Theory, Programming Principles, Theoretical Computer Science, Computer Science, Computer Programming, Python Programming, Pandas (Python Package), Machine Learning Algorithms, Computational Thinking, C++ (Programming Language), Data Architecture, Random Forest Algorithm, Performance Tuning, Object Oriented Programming (OOP), Network Analysis, Program Development, Problem Solving, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Programming Principles, Data Dictionary, Computational Logic, Data Cleansing, Data Structures, Python Programming, Verification And Validation, Data Manipulation, Memory Management, Logical Reasoning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Research, User Feedback, Business Research, Market Research, Business Analysis
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Data-Driven Marketing, Web Analytics and SEO, Data Storytelling, Driving engagement, Statistical Methods, Statistical Analysis, Technical Communication, Performance Reporting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Statistical Visualization, Data Presentation, Data Wrangling, Data Processing, Data Science, Data Structures
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Governance, Database Management, NoSQL, Data Management, SQL, Query Languages, Database Theory, MongoDB, Relational Databases, Big Data, Graph Theory, Data Storage, Social Network Analysis, Network Analysis, Data Integrity, Apache Hadoop, Data Manipulation
Build toward a degree
Mixed · Course · 1 - 3 Months