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.

Coursera
Skills you'll gain: Marketing Operations, Information Privacy, General Data Protection Regulation (GDPR), Customer Data Management, Personally Identifiable Information, Law, Regulation, and Compliance, Customer Communications Management, Data Management, Compliance Management, Data Security, Data Mapping, Email Marketing, Risk Analysis, Record Keeping, Document Management, Auditing, Data Integrity, Data Strategy, Data Access, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Data Wrangling, Exploratory Data Analysis, Database Design, Data Presentation, Ggplot2, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Predictive Modeling, Statistical Analysis, Data Analysis, Rmarkdown, Model Evaluation, Shiny (R Package), SQL, R (Software), Data Manipulation, Web Scraping
★ 4.5 (1.3K) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Database Design, Decision Support Systems, Dashboard, Data Warehousing, Business Intelligence, Database Development, Relational Databases, Performance Measurement, Data Modeling, Business Intelligence Software, Database Software, Database Management Systems, Operational Performance Management, Database Management, SQL, Star Schema, Data Governance, Data Integration, Dashboard Creation, Data Visualization
★ 4.5 (4.1K) · Advanced · Specialization · 3 - 6 Months

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

Skills you'll gain: Ggplot2, Data Visualization Software, Data Visualization, Statistical Visualization, Rmarkdown, Shiny (R Package), Plot (Graphics), Dashboard Creation, Dashboard, Leaflet (Software), Interactive Data Visualization, Data Presentation, R (Software), R Programming, Scatter Plots, Graphing, Box Plots, Geospatial Information and Technology, Data Science, Data Analysis
★ 4.6 (274) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Reinforcement Learning, Data-Driven Decision-Making, Markov Model, Data Analysis, Time Series Analysis and Forecasting, Bayesian Statistics, Decision Making, Statistical Methods, Anomaly Detection, Probability Distribution, Statistical Analysis, Sampling (Statistics), Model Optimization, Clinical Trials
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Big Data, Apache Spark, Apache Hadoop, Apache Hive, NoSQL, Database Systems, Data Mining, Cloud Applications, Cloud Solutions, Real Time Data, Cloud Computing, Data Processing, Query Languages, Distributed Computing, Applied Machine Learning, Scripting Languages, Data Manipulation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data-Driven Decision-Making, Data Processing, Data Visualization, Business Analytics, Data Analysis, Strategic Decision-Making, Data Cleansing, Statistical Analysis, Data Preprocessing, Data Wrangling, Exploratory Data Analysis, Statistical Visualization, Descriptive Statistics, Plot (Graphics), Matplotlib, Data Manipulation, Statistical Methods, Customer Analysis, Analytical Skills, Python Programming
★ 4.6 (23) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Data Analysis, Data Presentation, Team Management, Analytical Skills, Presentations, Team Leadership, People Management, Statistical Inference, Statistical Modeling, Statistical Methods, Communication, Model Evaluation
★ 4.6 (3.4K) · Mixed · Course · 1 - 4 Weeks

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 (108) · Intermediate · Course · 1 - 4 Weeks

Tableau Learning Partner
Skills you'll gain: Exploratory Data Analysis, Tableau Software, Data Preprocessing, Statistical Visualization, Data Analysis, Descriptive Statistics, Predictive Analytics, Box Plots, Statistical Analysis, Scatter Plots, Data Visualization Software, Statistical Reporting, Trend Analysis, Analytics, Histogram, Data Manipulation, Regression Analysis, Correlation Analysis
★ 4.4 (114) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Business Analytics, Analytics, Data Quality, Data Integration, AI literacy, Data Ethics, Data Cleansing, Responsible AI, Artificial Intelligence, Data Analysis, LLM Application, Machine Learning
★ 4.6 (88) · Beginner · Course · 1 - 4 Weeks