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.

Princeton University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Java, Performance Testing, Java Programming, Computational Thinking, Memory Management, Spatial Data Analysis
★ 4.9 (12K) · Intermediate · Course · 3 - 6 Months

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Data Validation, Javascript, Event-Driven Programming, Application Programming Interface (API), Object Oriented Programming (OOP)
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks

STARWEAVER
Skills you'll gain: Data Storytelling, Active Listening, Business Writing, Data Visualization, Concision, Data Presentation, Sales Presentation, Non-Verbal Communication, Sales Strategy, Sales Presentations, Customer Relationship Management (CRM) Software, Writing, Persuasive Communication, Team Collaboration, Virtual Teams, Storytelling, Communication, Verbal Communication Skills, Marketing Communications, Communication Strategies
★ 4.4 (45) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Interactive Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
★ 4.5 (111) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Plotly, Data Presentation, Matplotlib, Interactive Data Visualization, Seaborn, Plot (Graphics), Data Visualization, Data Visualization Software, Statistical Visualization
★ 4.9 (11) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Seaborn, Data Storytelling, Data Visualization, Data Presentation, Data Integration, A/B Testing, Data Import/Export, Statistical Hypothesis Testing, Text Mining, Data-Driven Decision-Making, Git (Version Control System), Matplotlib, Pandas (Python Package), Version Control, GitHub, Social Media Analytics, Statistical Analysis, Exploratory Data Analysis, Jupyter, NumPy
★ 4.3 (96) · Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Microsoft Azure, Big Data, Data Processing, Analytics, Data Pipelines, Databricks, Apache Spark, Data Analysis, Data Integration, Data Warehousing, Extract, Transform, Load, Real Time Data, Data Store, Data Transformation, Scheduling, Data Storage
★ 3.7 (68) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Tableau Software, Dashboard, Data Visualization Software, Data Visualization, R Programming, Alteryx, R (Software), Statistical Programming, Data Presentation, Statistical Visualization, Interactive Data Visualization, Data Cleansing, Plot (Graphics), Data Storytelling, Dashboard Creation, Data Analysis Software, Statistical Analysis, Data Wrangling, Workflow Management, Data Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Big Data, Data Processing, Data Analysis, Analysis
★ 4.6 (13) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: digital literacy, Systems Design, Systems Development, Data Security, System Design and Implementation, Data Ethics, Cybersecurity, Information Technology, Information Privacy
★ 4.5 (54) · Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Dashboard Creation, Business Reporting, Data Transformation, Business Intelligence, Data Visualization Software, Business Intelligence Software, Dashboard, Data Analysis, Microsoft Excel, Data Visualization, Data Cleansing, Data Modeling, Data Analysis Software, Microsoft PowerPoint, Microsoft 365, Microsoft Office, Collaboration, Data Import/Export
★ 4.4 (21) · Intermediate · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistical Methods, Probability & Statistics, Statistics, Statistical Modeling, Probability, Statistical Programming, Statistical Analysis, Statistical Software, Probability Distribution, Data Analysis, R Programming, Regression Analysis, R (Software), Analytical Skills, Statistical Visualization, Predictive Modeling, Data Visualization, Data Modeling
★ 4.6 (3.2K) · Intermediate · Course · 1 - 4 Weeks