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.

University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Presentation, Infographics, Data Visualization Software, Data Storytelling, Plotly, Matplotlib, Journalism, Graphing, Data Literacy, Color Theory, Data Manipulation, Design Elements And Principles, Data Analysis
Beginner · Course · 1 - 3 Months

Stanford University
Skills you'll gain: Feature Engineering, Data Ethics, Clinical Research, Clinical Data Management, Health Informatics, Unstructured Data, Health Care, Data Mining, Electronic Medical Record, Data Transformation, Data Collection, Text Mining, Data Processing, Medical Imaging
Beginner · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Feature Engineering, Unsupervised Learning, Data Ethics, Data Presentation, Data Storytelling, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Visualization Software, Databases, Predictive Analytics, Statistical Modeling, R Programming, Data Analysis, SQL, Predictive Modeling, Data Processing, Python Programming
Intermediate · Specialization · 3 - 6 Months

Tableau Learning Partner
Skills you'll gain: Exploratory Data Analysis, Tableau Software, Data Analysis, Data Visualization, Descriptive Statistics, Predictive Analytics, Data Processing, Box Plots, Statistical Analysis, Data Cleansing, Scatter Plots, Data Visualization Software, Trend Analysis, Analytics, Histogram, Business Analytics, Statistical Methods, Data Manipulation, Regression Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Visualization, Dashboard, Ggplot2, Plot (Graphics), Shiny (R Package), R Programming, Leaflet (Software), Data Analysis, Scatter Plots, Box Plots, Data Science, Spatial Data Analysis, Histogram, UI Components, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Data Storytelling, Data Presentation, Data Validation, Rmarkdown, Spreadsheet Software, Data Visualization, Data Ethics, Data Literacy, Tableau Software, Data Visualization Software, Data Analysis, Ggplot2, R (Software), Analytical Skills, Stakeholder Communications, Presentations, Data Quality, Data Collection, Data Processing
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Generative AI, Business Analytics, Analytics, Data Quality, Business Analysis, AI Product Strategy, Data Ethics, Process Optimization, Responsible AI, Data Analysis, Artificial Intelligence and Machine Learning (AI/ML), Natural Language Processing
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Sampling (Statistics), Data Cleansing, Statistical Software, Data Transformation, Data Quality, Statistical Analysis, STATA (Software), Statistical Methods, R (Software), Regression Analysis, Statistical Inference, Data Analysis
Mixed · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Data Presentation, Data Processing, Big Data, Apache Spark, Splunk, Data Analysis, Unstructured Data, Data Storytelling, Analytics, Network Analysis, Data Modeling, Unsupervised Learning
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Datamaps, Visualization (Computer Graphics), Interactive Data Visualization, Scatter Plots, Histogram, Graphic and Visual Design, R Programming, Geospatial Mapping
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), Data Storytelling, User Centered Design, User Experience Design, Human Computer Interaction, Usability Testing, User Research, Design Elements And Principles
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Data Visualization, Text Mining, Social Network Analysis, Statistical Analysis, Data Visualization Software, Case Studies, Application Programming Interface (API), Unstructured Data, Data Analysis, R Programming, Statistical Methods, Correlation Analysis, Regression Analysis, Data Collection, Python Programming
Intermediate · Course · 1 - 4 Weeks