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 California, Davis
Skills you'll gain: Data Governance, SQL, Data Quality, Data Management, Data Manipulation, Database Design, Data Transformation, Data Wrangling, Query Languages, Data Modeling, Database Systems, Data Literacy, Relational Databases, Data Processing, Data Analysis, Descriptive Statistics
★ 4.2 (31) · Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Data Processing, Data Manipulation, Data Dictionary, Data Wrangling, File I/O, Data Structures, Scripting, Data Import/Export, Scripting Languages, Data Analysis, Python Programming, Data Mapping, Data Storage, Data Management
★ 4.7 (894) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Presentation, Dashboard, Data Storytelling, Dashboard Creation, Data Visualization Software, Microsoft Excel, Spreadsheet Software, Graphing, Pivot Tables And Charts, Data Modeling, Database Development, Databases, Business Analysis Tools, Data Analysis, Simulation and Simulation Software, Data Analysis Software
★ 4.8 (3K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Software Visualization, Pseudocode, Computational Thinking, Theoretical Computer Science, Computer Science, Technical Communication, Graph Theory, Communication
★ 4.6 (804) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Big Data, Microsoft Azure, Data Processing, Data Integration, Cloud Management, Cloud Services
★ 4.6 (21) · Advanced · Guided Project · Less Than 2 Hours

Northeastern University
Skills you'll gain: Information Privacy, Data Ethics, Law, Regulation, and Compliance, Data Security, Journalism, Regulation and Legal Compliance, Emerging Technologies, Algorithms, Artificial Intelligence
★ 4.8 (719) · Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Sampling (Statistics), Statistical Programming, Statistical Software, Data Analysis Software, Statistical Analysis, STATA (Software), Statistical Methods, R (Software), Statistical Modeling, Regression Analysis, Data Analysis, Logistic Regression
★ 3.8 (138) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Lakes, Data Warehousing, Apache Hive, Data Pipelines, Analysis, Automation
Advanced · Course · 1 - 4 Weeks
University of Washington
Skills you'll gain: Data Visualization, Scientific Visualization, Data Ethics, Data Presentation, Statistical Visualization, Data Storytelling, Data Visualization Software, Data Sharing, Data Governance, Big Data, Technical Communication, Graphic and Visual Design, Cloud Computing, Amazon Web Services, Information Privacy, Ethical Standards And Conduct
★ 3.4 (142) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: PySpark, Matplotlib, Apache Spark, Big Data, Data Processing, Distributed Computing, Data Management, Data Visualization, Data Presentation, Data Analysis, Data Manipulation, Data Cleansing, Query Languages, Python Programming
★ 4.4 (318) · Intermediate · Guided Project · Less Than 2 Hours

Stanford University
Skills you'll gain: Descriptive Statistics, Statistics, Probability & Statistics, Statistical Methods, Sampling (Statistics), Statistical Analysis, Data Analysis, Statistical Hypothesis Testing, Regression Analysis, Statistical Inference, Probability, Exploratory Data Analysis, Analysis, Statistical Machine Learning, Statistical Visualization, Data Collection, Probability Distribution, Correlation Analysis
★ 4.6 (4.3K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, MySQL Workbench, Data Warehousing, Database Design, MySQL, Interactive Data Visualization, Data Modeling, Dashboard, Database Administration, Data Visualization Software, Database Development, Star Schema, Dashboard Creation, Database Management, Analytics, Database Architecture and Administration, Data Architecture, Databases, Snowflake Schema, Data Analysis
★ 4.4 (107) · Intermediate · Course · 1 - 4 Weeks