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.

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

University of Michigan
Skills you'll gain: Sampling (Statistics), Data Visualization, Plot (Graphics), Data Literacy, Statistics, Scientific Visualization, Matplotlib, Statistical Visualization, Probability & Statistics, Jupyter, Statistical Methods, Data Analysis, Statistical Analysis, Exploratory Data Analysis, Descriptive Statistics, Statistical Inference, NumPy, Data Dictionary, Box Plots, Python Programming
★ 4.7 (2.7K) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Network Model, Database Design, Big Data, Graphing, Apache Spark, Network Analysis, Analytics, Data Store, Data Management, Query Languages, Computing Platforms, Scalability, Distributed Computing, Algorithms
★ 4.3 (1.3K) · Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Data Import/Export, R (Software), Data Wrangling, R Programming, Data Manipulation, Data Analysis, Ggplot2, Relational Databases, Data Transformation, Data Cleansing, Programming Principles
★ 4.1 (13) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI, Data Analysis, Data Analysis Software, Advanced Analytics, Analytics, Predictive Analytics, Data Preprocessing
★ 4.7 (26) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Preprocessing, Correlation Analysis, Seaborn, Data Cleansing, Data Wrangling, Data Processing, Data Visualization, Plot (Graphics), Statistical Analysis, Data Manipulation, Data Analysis, Exploratory Data Analysis, Data Integration, Statistics, Infectious Diseases, Python Programming
★ 4.5 (2K) · Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Spring Boot, Database Management, Database Systems, Data Access, Restful API, Web Services, Data Management
★ 3.9 (47) · Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Data Ethics, AI literacy, Responsible AI, Artificial Intelligence, AI Enablement, digital literacy, Analytical Skills, Information Privacy, Business Ethics, Social Justice, Behavioral Economics, Ethical Standards And Conduct, Economics, Policy, and Social Studies, Medical Privacy, European History, Economics, Information Architecture, Social Sciences, Business, Internet Of Things
Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Data Storytelling, Power BI, Data Presentation, Database Design, Data Visualization, Business Intelligence, Data Visualization Software, Database Theory, Dashboard, Data Lakes, Dashboard Creation, Databases, Pivot Tables And Charts, Data-Driven Decision-Making, Data Analysis, Microsoft Excel, Analytics, Data Modeling, Data Management, Python Programming
Beginner · Course · 3 - 6 Months

Illinois Tech
Skills you'll gain: Statistical Analysis, Time Series Analysis and Forecasting, Data Analysis, Machine Learning Algorithms, Model Evaluation, Data Visualization, Data Science, Exploratory Data Analysis, Data Presentation, Statistical Programming, Statistical Methods, Statistical Machine Learning, Analysis, Statistical Modeling, Applied Machine Learning, R (Software), R Programming, Statistical Software, Forecasting, Machine Learning
★ 4.3 (23) · Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: SQL, Database Management, Database Development, Database Design, Relational Databases, Database Management Systems, Query Languages, Performance Tuning, Data Analysis
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Dashboard Creation, Interactive Data Visualization, Data Visualization, Microsoft Excel, Excel Macros, Data Visualization Software, Pivot Tables And Charts, Statistical Visualization, Infographics, Tree Maps, Spreadsheet Software, Excel Formulas, Graphing, Data Analysis, Trend Analysis
★ 4.9 (1.3K) · Intermediate · Course · 1 - 3 Months