Data wrangling courses can help you learn data cleaning, transformation techniques, and data integration methods. You can build skills in handling missing values, reshaping datasets, and merging data from multiple sources. Many courses introduce tools such as Python libraries like Pandas and NumPy, as well as SQL for database management, showing how these skills streamline data preparation for analysis and visualization.

Skills you'll gain: Shiny (R Package), PyTorch (Machine Learning Library), Dashboard, Dashboard Creation, Python Programming, Interactive Data Visualization, Data Visualization, Data Visualization Software, Pandas (Python Package), Image Analysis, Applied Machine Learning, AI Workflows, Machine Learning Methods, Data Science, Computer Programming, Web Frameworks, Application Development, UI Components, Web Development Tools, User Interface (UI)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Pivot Tables And Charts, Dashboard Creation, Data Visualization, Spreadsheet Software, Data Presentation, Performance Analysis, Microsoft Excel, Interactive Data Visualization, Sales, Data Transformation, Data Manipulation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Rmarkdown, R (Software), Leaflet (Software), R Programming, Interactive Data Visualization, Cloud Storage, Microsoft Azure, Data Ethics, Data Integration, Data Collection, Data Pipelines, Data Engineering, Big Data, Data Migration, Data Warehousing, Data Transformation, Data Modeling, Data Security, Database Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Tableau Software, Business Intelligence, Business Intelligence Software, Interactive Data Visualization, Statistical Visualization, Business Analytics, Data Visualization Software, Dashboard, Agentic Workflows, Data Storytelling, Data Analysis, Data Modeling, Extract, Transform, Load, Predictive Analytics, Exploratory Data Analysis, Data Governance, Data Transformation, Data Preprocessing, Correlation Analysis, Data Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Interactive Data Visualization, Statistical Visualization, Tableau Software, Dashboard Creation, Data Storytelling, Spatial Data Analysis, Dashboard, Time Series Analysis and Forecasting, Advanced Analytics, R Programming, Business Intelligence, Data Mapping, Data Modeling, Performance Reporting, Key Performance Indicators (KPIs), Operational Performance Management, Python Programming, Interaction Design, Requirements Elicitation, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plotly, PyTorch (Machine Learning Library), NumPy, Matplotlib, Object Oriented Programming (OOP), Pandas (Python Package), Plot (Graphics), Data Structures, Unit Testing, Object Oriented Design, Python Programming, File I/O, Data Visualization Software, Algorithms, Interactive Data Visualization, Machine Learning Methods, Computational Thinking, Programming Principles, Computer Programming, Program Development
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Sampling (Statistics), Quantitative Research, Analysis, Research Methodologies, Data Analysis, Data Collection, Data Quality, Research Design, Data Transformation, Statistical Analysis, Data Literacy, Data Modeling, Data Validation, Mitigation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Presentation, Technical Communication, Statistical Reporting, Data Storytelling, Data Science, Data Literacy, Data Analysis, Analysis, Applied Mathematics, Statistics, Computer Science
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Health Care Procedure and Regulation, Health Informatics, Data Wrangling, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Data Preprocessing, Health Information Management and Medical Records, Health Policy, Data Processing, Data Compilation, Data Analysis, Descriptive Analytics, Database Design, Medical Billing and Coding, Relational Databases, Data Integration, Spreadsheet Software
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data-Driven Decision-Making, Descriptive Statistics, Data Literacy, Data Analysis, Plot (Graphics), Probability Distribution, Statistical Software, Statistics, Statistical Visualization, R (Software), Data Visualization, Statistical Analysis, Probability, R Programming, Probability & Statistics, Statistical Programming, Descriptive Analytics, Statistical Hypothesis Testing, Data Manipulation, Histogram
Beginner · Course · 1 - 3 Months

Skills you'll gain: Graph Theory, Computational Thinking, Data Structures, Algorithms, Problem Solving, Programming Principles, Computer Programming, Theoretical Computer Science, Javascript, Performance Tuning, Memory Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Amazon Redshift, AWS SageMaker, AWS Kinesis, Data Pipelines, Apache Spark, Amazon Web Services, Big Data, Apache Hive, Kibana, Data Warehousing, Data Processing, Model Deployment, Data Migration, Extract, Transform, Load, Real Time Data, Ad Hoc Analysis, Data Transformation, Cloud Computing, Machine Learning
Intermediate · Course · 1 - 4 Weeks