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.

Duke University
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Manipulation, Data Preprocessing, Data Wrangling, NumPy, File I/O, Data Integration, Python Programming, Data Import/Export, Data Analysis, Debugging
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Visualization Software, Dashboard, Dashboard Creation, Data Visualization, Interactive Data Visualization, Data Transformation, Data Presentation, Tableau Software, Data Storytelling, Data Manipulation, Exploratory Data Analysis, Data Analysis
★ 3.8 (15) · Beginner · 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

University of Colorado Boulder
Skills you'll gain: Database Design, SQL, Database Management Systems, Database Development, NoSQL, Relational Databases, Data Warehousing, Database Theory, Database Systems, Database Architecture and Administration, Databases, Database Software, Database Administration, Data Store, Database Management, Data Modeling, Query Languages, Big Data, Data Architecture, Database Application
★ 4.7 (1.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Feature Engineering, Statistical Methods, Data Preprocessing, Statistical Inference, Statistical Hypothesis Testing, Data Processing, Applied Machine Learning, Data Access, Statistics, Statistical Analysis, Data Analysis, Data Cleansing, Data Manipulation, Data Science, Data Wrangling, Machine Learning, Probability & Statistics, Data Import/Export, Data Transformation
★ 4.6 (2.6K) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Employee Onboarding, Team Motivation, Interviewing Skills, New Hire Orientations, Organizational Leadership, Team Management, Team Building, Management Training And Development, Organizational Effectiveness, Team Leadership, People Management, Technical Management, Staff Management, Recruitment, Talent Recruitment, Recruitment Strategies, Empowerment, Data Science, Cross-Functional Collaboration
★ 4.5 (3.3K) · Mixed · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Data Validation, Data Cleansing, Data Quality, Data Maintenance, Data Wrangling, Data Manipulation, Data Integrity, Data Visualization, Data Preprocessing, Exploratory Data Analysis, Data Science, Pandas (Python Package), Feature Engineering, Statistical Visualization, Debugging, Data Sharing, Verification And Validation, Anomaly Detection, Python Programming, Machine Learning
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
★ 4.5 (26) · Intermediate · Guided Project · Less Than 2 Hours

University of California, Irvine
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Presentation, Plot (Graphics), Data Storytelling, Tableau Software, Exploratory Data Analysis, Descriptive Statistics, Data Analysis, Descriptive Analytics, Data Mapping
★ 3.9 (20) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Statistical Visualization, Seaborn, Data Visualization, Data-Driven Decision-Making, Exploratory Data Analysis, Data Presentation, Probability & Statistics, Plot (Graphics), Data Visualization Software, Descriptive Statistics, Pandas (Python Package), Data Analysis, Statistics, Statistical Analysis, Data Manipulation, Correlation Analysis, Python Programming
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Plot (Graphics), Scatter Plots, Programming Principles, Numerical Analysis
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Analysis, Analysis, Analytics, Statistical Analysis, Statistical Programming, Spreadsheet Software, Analytical Skills, Exploratory Data Analysis, Descriptive Analytics, Data Processing, Data Cleansing, Statistical Methods, Data Collection, Advanced Analytics, Statistics, R (Software), Predictive Analytics, Data Presentation, Query Languages, Data Visualization
★ 3.5 (36) · Beginner · Course · 1 - 3 Months