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: Model Evaluation, Statistical Methods, Data Manipulation, Python Programming, Applied Machine Learning, Pandas (Python Package), Data Science, Statistical Analysis, NumPy, Machine Learning Methods, Machine Learning, Statistical Inference, Probability Distribution, Probability
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Modeling, R Programming, Statistical Methods, Linear Algebra, Data Science, Mathematical Modeling, Data Modeling, Predictive Modeling, Statistics, Statistical Analysis, Applied Mathematics, General Mathematics, Derivatives
Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Data Modeling, Exploratory Data Analysis, Data Validation, Data Maintenance, Data Analysis, Data Visualization, Data Analysis Software, Google Cloud Platform
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Report Writing, Dashboard, Data Presentation, Presentations, Data Storytelling, Performance Reporting, Business Reporting, Management Reporting, Concision, Data Visualization, Storytelling, Financial Data, Key Performance Indicators (KPIs), Business Metrics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Persuasive Communication, Storytelling, Presentations, Data Visualization, Driving engagement, Communication, Marketing Analytics, Business Priorities, Data-Driven Decision-Making, User Feedback, Google Analytics, Stakeholder Communications, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Storytelling, Data Collection, Data Quality, Business Analytics, Data Visualization Software, Data-Driven Decision-Making, Analytics, Data Analysis, Analytical Skills, R (Software), Communication, Digital Marketing, Health Care
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Leaflet (Software), Rmarkdown, Web Scraping, Geospatial Information and Technology, Microsoft Azure, Cloud Storage, R (Software), Interactive Data Visualization, R Programming, Data Collection, Data Storage, Cloud Services, Data Manipulation, Cloud-Based Integration, Data Wrangling, Real Time Data, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Sharing, Customer Data Management, Data Integration, Data Access, Business Intelligence, Google Cloud Platform, Cloud Management, Data Visualization, Data Management, Data Import/Export, Cloud Computing
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Big Data, Data Import/Export, Data Analysis, Analytics, Google Cloud Platform, Query Languages, Cloud Computing
Beginner · Project · Less Than 2 Hours

Knowledge Accelerators
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Dashboard Creation, Excel Macros, Microsoft 365, Data Visualization, Pivot Tables And Charts, Spreadsheet Software, Productivity, AI literacy, Productivity Software, Data Analysis, Data-Driven Decision-Making, Workflow Management, Generative AI Agents, Artificial Intelligence, Customer Data Management, Generative AI, Data Management, Leadership Development
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Algebra, Calculus, Graphing, Applied Mathematics, Data Science, Derivatives, Numerical Analysis, Mathematical Theory & Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Dashboard, SPSS (Software), SPSS, Descriptive Analytics, Data Transformation, Data Visualization, Advanced Analytics, Data Wrangling, Logistic Regression, Statistical Hypothesis Testing, Statistical Machine Learning, Data Manipulation, Regression Analysis, Analytics, Data Presentation, Correlation Analysis, Data Processing, Data Literacy, Data Analysis
Beginner · Specialization · 3 - 6 Months