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.

Northeastern University
Skills you'll gain: Algorithms, Theoretical Computer Science, Data Structures, Computational Thinking, Analysis, Performance Tuning, Memory Management, Scalability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Google Sheets, Spreadsheet Software, Excel Formulas, Data Import/Export, Data Presentation, Data Literacy, Data Analysis, Business Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Data Presentation, Analytical Skills, Tableau Software, Dashboard Creation, Data Visualization Software, Interactive Data Visualization, Data Analysis, Analytics, Data Wrangling, Descriptive Analytics, Data Transformation, Data Preprocessing
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Import/Export, Data Store, Cloud API, Health Informatics, Health Information Management, Health Technology, Application Programming Interface (API), Google Cloud Platform, Cloud-Based Integration, Health Care, Data Integration, Data Modeling, Cloud Storage
Beginner · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Health Informatics, Clinical Informatics, Healthcare Project Management, Health Technology, Change Control, Health Systems, Health Policy, Informatics, Health Care, Health Assessment, Medical Records, Health Care Administration, Healthcare Industry Knowledge, Health Information Management, Clinical Leadership, Health Administration, Decision Intelligence, Decision Support Systems, Solution Design, Data Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Dashboard Creation, Data Visualization, Web Content Accessibility Guidelines, Data Presentation, Data Literacy, Data Visualization Software, Statistical Visualization, Heat Maps, Scatter Plots
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Import/Export, Health Informatics, Cloud API, Google Cloud Platform, Health Information Management, Data Store, Health Technology, Cloud-Based Integration, Medical Imaging, Cloud Computing, Application Programming Interface (API), Data Modeling
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Dashboard Creation, Tableau Software, Dashboard, Market Data, Data-Driven Decision-Making, Data Presentation, Feature Engineering, Analytical Skills, Data Ethics, Exploratory Data Analysis, Data Visualization Software, Case Studies, Business Intelligence, Business Analytics, Financial Market, Interactive Data Visualization, Data Analysis, Financial Data, Financial Analysis
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Integral Calculus, Numerical Analysis, Calculus, Probability, Applied Mathematics, Advanced Mathematics, Estimation, Probability & Statistics, Geometry, Mathematical Modeling, Graphing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Data Modeling, Analytical Skills, Data Visualization, Analysis, Data Presentation, Data Integration, Data Wrangling, Data Management, Business Reporting, Business Intelligence Software, Security Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Database Theory, Cloud Services, Relational Databases, Databases, Data Store, Cloud Storage, Analytics, Data Storage, NoSQL, Data Warehousing, SQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Anthropic Claude, Business Intelligence, Data Presentation, Data Visualization, Data Storytelling, Trend Analysis, Sales Presentations, Sales, Business Analytics, Sales Strategy, Data-Driven Decision-Making, Data Analysis, Business Strategies, Business Strategy, Business Analysis, LLM Application
Intermediate · Guided Project · Less Than 2 Hours