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.

University of Minnesota
Skills you'll gain: UI/UX Research, User Research, Design Research, User Experience, Persona (User Experience), User Interface and User Experience (UI/UX) Design, Ideation, User Interface (UI), Qualitative Research, User Interface (UI) Design, Surveys, Data Collection, Persona Development, Data Analysis, Interviewing Skills, People Analytics
★ 4.6 (472) · Mixed · Course · 1 - 3 Months

Skills you'll gain: MLOps (Machine Learning Operations), Feature Engineering, Model Evaluation, Model Training, Model Deployment, Model Optimization, Data Preprocessing, Performance Analysis, Machine Learning Methods, Data Pipelines, Analysis, Data Transformation, Technical Writing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Enablement, No-Code Development, Business Transformation, Digital Transformation, Solution Design, Organizational Change, Change Management, Business Priorities, Market Opportunities, Business Analysis, Business Communication, Influencing, Technical Communication, Automation, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, JUnit, Application Frameworks, Unit Testing, Java Programming, Enterprise Application Management, Integration Testing, Configuration Management, Development Environment, Extensible Markup Language (XML), Context Management
★ 3.8 (455) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Probability & Statistics, Probability, Probability Distribution, Simulations, Statistical Modeling, Statistical Methods, Estimation, Correlation Analysis, Engineering Analysis, Statistical Analysis, Reliability, Engineering, Spatial Analysis
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Data Modeling, Data Analysis, Microsoft Excel, Interactive Data Visualization, Advanced Analytics, Business Intelligence, Data Analysis Software, Statistical Analysis, Time Series Analysis and Forecasting, Microsoft PowerPoint, Microsoft 365, Microsoft Office, Query Languages
Mixed · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Bioinformatics, Molecular Biology, Biology, Data Mapping, Data Analysis Software, Predictive Modeling, Data Processing
★ 4.4 (285) · Mixed · Course · 3 - 6 Months

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
★ 4.5 (401) · Advanced · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Microsoft 365, Microsoft Office, Collaborative Software, Microsoft Teams, Productivity Software, Endpoint Security, Security Controls, Business Process Automation, Automation, Microsoft Outlook, Data Security, Cloud Applications, Microsoft Word, Microsoft PowerPoint, Microsoft Excel
★ 4.7 (140) · Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Deductive Reasoning, Logical Reasoning, Probability, Sampling (Statistics), Probability & Statistics, Statistical Inference, Correlation Analysis, Decision Intelligence
★ 4.6 (493) · Beginner · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Ethical Standards And Conduct, Media and Communications, Motion Arguments, Research, Governance, Journalism, Data Ethics, Advertising
★ 4.8 (592) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Model Training, Classification And Regression Tree (CART), Decision Tree Learning, Data Preprocessing, R (Software), Statistical Modeling, R Programming, Supervised Learning, Machine Learning
★ 4.8 (6) · Beginner · Guided Project · Less Than 2 Hours