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: Tableau Software, Business Intelligence, Data Storytelling, Business Analytics, Data Modeling, Data Visualization Software, Dashboard, Interactive Data Visualization, Dashboard Creation, Data-Driven Decision-Making, Data Wrangling, Data Cleansing, Data Preprocessing, Data Transformation, Extract, Transform, Load, Data Integration, Exploratory Data Analysis, Self Service Technologies, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Illinois Institute of Technology
Skills you'll gain: Database Design, Database Systems, Statistical Analysis, Time Series Analysis and Forecasting, Relational Databases, Database Software, Databases, Database Application, Database Management, Database Theory, Data Analysis, NoSQL, Database Management Systems, Database Development, Machine Learning Algorithms, Recurrent Neural Networks (RNNs), Bayesian Statistics, Statistical Inference, Technical Communication, Model Evaluation
Earn a degree
Degree · 1 - 4 Years

Microsoft
Skills you'll gain: Performance Tuning, Development Testing, Software Testing, Unit Testing, Software Documentation, Application Programming Interface (API), Test Script Development, Code Reusability, Web Applications, Test Driven Development (TDD), Technical Documentation, Frontend Performance, Debugging, Performance Testing, Maintainability, Javascript, Software Design Patterns, Software Architecture, Secure Coding, Data Transformation
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Informatics, Health Care, Medical Records, Health Information Management, Health Systems, Clinical Informatics, Electronic Medical Record System, Databases, Health Technology, Informatics, Healthcare Industry Knowledge, Clinical Data Management, Data Analysis, Data Quality, Interoperability, Big Data, Data Access, Query Languages, Data Integration, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, Dashboard, Star Schema, Dashboard Creation, Snowflake Schema, Data Lakes, SQL, Interactive Data Visualization, Database Administration, Business Intelligence, Data Modeling, Data Architecture, Data Warehousing, Data Import/Export, Query Languages, Data Analysis, Data Governance, Data Access, Extract, Transform, Load, Data Security
Intermediate · Course · 1 - 3 Months

Politecnico di Milano
Skills you'll gain: Health Policy, Economics, Policy, and Social Studies, Epidemiology, Crisis Management, Environmental Monitoring, Policy Analysis, Research, and Development, Emergency Response, Data Literacy, Spatial Data Analysis, Infection Control, Socioeconomics, Geographic Information Systems, Geospatial Information and Technology, Public Health, Public Health and Disease Prevention, Infectious Diseases, Data Science, Financial Systems, Financial Modeling, Finance
Beginner · Course · 1 - 3 Months

Knowledge Accelerators
Skills you'll gain: Dashboard Creation, Pivot Tables And Charts, Power BI, Spreadsheet Software, Data Analysis, Analytics, Business Modeling, Business Analysis, Data Storytelling, Data Presentation, Microsoft 365, Trend Analysis, Data Security, Data Entry, Data Management, Productivity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Microsoft Copilot, Generative Model Architectures, Generative Adversarial Networks (GANs), Responsible AI, Data Ethics, Data Security, Information Privacy, Anomaly Detection, Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Data Manipulation, Query Languages, Data Access, PostgreSQL, Data Management
Intermediate · Guided Project · Less Than 2 Hours

Macquarie University
Skills you'll gain: Data-Driven Decision-Making, Microsoft Excel, Forecasting, Regression Analysis, Excel Formulas, Statistical Analysis, Data Analysis Software, Time Series Analysis and Forecasting, Spreadsheet Software, Data Visualization, Statistical Methods, Advanced Analytics, Financial Forecasting, Data Analysis, Statistical Hypothesis Testing, Probability & Statistics, Predictive Modeling, Statistical Inference, Statistical Modeling, Variance Analysis
Advanced · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Power BI, Data-Driven Decision-Making, Data Analysis, Extract, Transform, Load, Business Intelligence, Data Collection, Data Transformation
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: NumPy, Data Structures, Data Analysis, Object Oriented Programming (OOP), Image Analysis, Data Processing, Data Science, Programming Principles, Text Mining, File I/O, Computer Programming, Data Dictionary, Data Manipulation, Performance Tuning, Python Programming, Probability Distribution
Beginner · Course · 1 - 4 Weeks