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: Pandas (Python Package), Data Import/Export, Matplotlib, Plot (Graphics), Pivot Tables And Charts, Jupyter, Data Visualization Software, Microsoft Excel, Data Analysis, Spreadsheet Software, Text Mining, Data Wrangling, Data Access, Data Manipulation, Data Cleansing, Data Presentation, Data Processing, Data Integration, Programming Principles, Time Series Analysis and Forecasting
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Geographic Information Systems, Geospatial Information and Technology, GIS Software, Geospatial Mapping, Spatial Data Analysis, Spatial Analysis, Global Positioning Systems, Data Analysis, Data Integration, Decision Support Systems
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Governance, Data Ethics, Business Ethics, Strategic Leadership, Business Leadership, Organizational Leadership, Governance Risk Management and Compliance, Ethical Standards And Conduct, Policy Development, Culture Transformation, Business Transformation, Stakeholder Engagement, Compliance Management, Responsible AI, Policy Analysis, Employee Training, Change Management, Employee Engagement
Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Data Visualization, Interactive Data Visualization, Tableau Software, Dashboard, Data Storytelling, Spatial Data Analysis, Data Visualization Software, Peer Review, Dashboard Creation, Data Presentation, Data Integration, Geospatial Mapping, Spatial Analysis, Data Wrangling, Business Intelligence Software, Business Intelligence, Plot (Graphics), Data Manipulation, Data Preprocessing, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: PySpark, MySQL, Data Pipelines, Apache Spark, Data Access, Data Processing, Data Transformation, Data Manipulation, Distributed Computing, Data Import/Export, Python Programming
Mixed · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Dashboard, Data Transformation, Dashboard Creation, Data Analysis, Excel Formulas, Data Visualization Software, Data Presentation, Data Manipulation
Beginner · Course · 1 - 3 Months

Digital Marketing Institute
Skills you'll gain: Data-Driven Decision-Making, Marketing Strategies, Data-Driven Marketing, Data Strategy, Data Ethics, Customer Analysis, Digital Analysis, Marketing Effectiveness, Marketing Planning, Strategic Decision-Making, Digital Marketing, Business Analytics, Marketing Analytics, Customer Insights, Performance Measurement, Marketing Strategy and Techniques, Customer experience strategy (CX), MarTech, Pay Per Click Advertising, Data Management
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Literacy, Tableau Software, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Compilation, Excel Macros, Analytics, Accounting Software, Accounting and Finance Software, Specialized Accounting, Analytical Skills, Accounting Systems, Business Analytics, Microsoft Excel, Spreadsheet Software, Data Analysis, Predictive Analytics, Data Architecture
Build toward a degree
Beginner · Course · 1 - 3 Months

Maven Analytics
Skills you'll gain: Microsoft Copilot, Microsoft Excel, Pivot Tables And Charts, Excel Formulas, People Analytics, Data Manipulation, Data Analysis, Data Wrangling, Data Visualization, Artificial Intelligence, Generative AI, Prompt Engineering
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Medical Privacy, Health Informatics, Health Information Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Digital Transformation, Health Systems, Health Administration, Health Technology, Health Care, Health Care Procedure and Regulation, Emerging Technologies, Information Privacy, Data Management, Technology Strategies, Cybersecurity, Data Security, Security Strategy, Innovation, Data Integration
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Applied Mathematics, Model Optimization, Estimation, Calculus, Cost Estimation, Mathematical Modeling, Derivatives
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Pipelines, SQL, Apache Airflow, Extract, Transform, Load, JSON, Pandas (Python Package), Data Manipulation, Data Warehousing, Database Design, Star Schema, Query Languages, Data Transformation, Performance Tuning, Real Time Data, Big Data, Data Validation, Performance Analysis, Data Quality, Verification And Validation
Intermediate · Course · 1 - 3 Months