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: Classification And Regression Tree (CART), Minitab, Decision Tree Learning, Regression Analysis, Predictive Modeling, Statistical Modeling, Business Analytics, Statistical Methods, Advanced Analytics, Logistic Regression, Data-Driven Decision-Making, Scatter Plots, Plot (Graphics), Model Evaluation, Exploratory Data Analysis, Statistical Analysis, Case Studies, Responsible AI
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Anomaly Detection, Unit Testing, Test Script Development, Data Pipelines, Test Automation, Code Coverage, Real Time Data, Data Processing, Data Cleansing, Data Integrity, Extract, Transform, Load, Data Transformation, Data Persistence, Performance Testing, Data Validation, Data Science, Python Programming, Machine Learning, Algorithms, SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Apache Spark, Retrieval-Augmented Generation, OpenAI API, Generative AI, LLM Application, Model Evaluation, Data Preprocessing, Large Language Modeling, Generative Adversarial Networks (GANs), Predictive Modeling, Matplotlib, Keras (Neural Network Library), Fine-tuning, Transfer Learning, Deep Learning, Machine Learning Methods, Applied Machine Learning, Seaborn, Statistical Modeling, Machine Learning
★ 5 (6) · Intermediate · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Social Studies, Social Sciences, Big Data, Sociology, Demography, Socioeconomics, Culture, Economics, Data Analysis, Analytics, World History, Quantitative Research
★ 4.5 (61) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Javascript, Programming Principles, Computational Logic, Computer Programming, Web Development, Application Development
Beginner · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Business Intelligence, Data Analysis, Data Analysis Software, Data Presentation, Microsoft 365, Data-Driven Decision-Making, Data Visualization, Trend Analysis, Productivity Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard, Pivot Tables And Charts, Dashboard Creation, Data Transformation, Data Visualization Software, Interactive Data Visualization, Data Modeling, Data Presentation, Microsoft Excel, Performance Reporting, Report Writing, Data Cleansing, Data Sharing
Intermediate · Course · 3 - 6 Months

Northeastern University
Skills you'll gain: Database Design, Database Theory, Database Systems, Data Modeling, Database Management Systems, Metadata Management, Database Management, Databases, Database Administration, Data Management, Relational Databases, Database Architecture and Administration, Unified Modeling Language, Data Governance, Data Integrity, Data Quality, Data Mapping, Dependency Analysis
Mixed · Course · 1 - 3 Months

University of Minnesota
Skills you'll gain: Social Determinants Of Health, Health Equity, Health Disparities, Health Systems, Community Health, Public Health, Health Informatics, Healthcare Ethics, Health Policy, Maternal Health, Public Health and Disease Prevention, Statistical Analysis, Systems Thinking, Epidemiology, Statistical Software, Data Analysis, Community Development, Scatter Plots, Climate Change Programs, Environmental Science
★ 4.8 (22) · Beginner · Specialization · 3 - 6 Months
STARWEAVER
Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Sales Presentation, Sales Strategy, Sales Presentations, Customer Relationship Management (CRM) Software, HubSpot CRM, Storytelling, Data Literacy, B2B Sales, Business Marketing, Sales, Customer Relationship Management, Data Visualization Software, Sales Development, Customer Analysis, Business Intelligence, Business Communication, Analytics
★ 3.3 (8) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Object Oriented Design, Object Oriented Programming (OOP), Unity Engine, Software Design Patterns, Data Structures, C# (Programming Language), Video Game Development, Software Design, Programming Principles, Graph Theory, Software Architecture, Algorithms
★ 4.6 (149) · Intermediate · 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
★ 4.3 (6) · Beginner · Project · Less Than 2 Hours