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 San Diego
Skills you'll gain: Unit Testing, Data Structures, Java, Java Programming, Software Testing, Program Development, Performance Tuning, Algorithms, Performance Testing, Object Oriented Programming (OOP), Theoretical Computer Science
★ 4.8 (2.3K) · Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Data Quality, Quantitative Research, Data Validation, Data Collection, Data Processing, Data Analysis, Data Access, Statistical Analysis, Sampling (Statistics)
★ 4.5 (6) · Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Processing, Data Manipulation, Data Visualization, Interactive Data Visualization, Web Scraping, Data Visualization Software, Pandas (Python Package), Data Analysis, Data Preprocessing, Data Science, Data Cleansing, Matplotlib, Data Import/Export, NumPy, JSON, Python Programming, File I/O
★ 4.3 (201) · Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Data Modeling, Data Infrastructure, Data Store, Data Architecture, Big Data, Data Management, Database Management Systems, Real Time Data, NoSQL, Database Design, Database Management, Database Software, Data Processing, Apache Hadoop, Query Languages, Relational Databases, Data Structures, Virtual Environment
★ 4.4 (3K) · Mixed · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Data Strategy, Data-Driven Decision-Making, Big Data, Data Science, NoSQL, Data Modeling, Data Storage Technologies, Analytics, Business Analytics, Machine Learning Methods, Data Analysis, Risking, Data Literacy, Data Ethics, Machine Learning, Unsupervised Learning, Regression Analysis, Descriptive Analytics, Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.3 (274) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Statistical Programming, R (Software), Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Statistical Software, Microsoft Excel, Statistics, Data Analysis
★ 4.6 (51) · Beginner · Specialization · 3 - 6 Months

Eindhoven University of Technology
Skills you'll gain: Business Process Improvement, Process Analysis, Process Improvement, Business Process Management, Data Mining, Process Design, Business Process Modeling, Process Modeling, Operational Analysis, Performance Analysis, Real Time Data, Data-Driven Decision-Making, Data Science, Predictive Modeling, Verification And Validation, Model Evaluation
★ 4.7 (1.3K) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Data Visualization, Data Literacy, Data Presentation, Data Storytelling, Data Analysis, Data Cleansing, Data Preprocessing, Data Wrangling, Analysis, Correlation Analysis
★ 4.9 (9) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Presentation, Technical Communication, Statistical Reporting, Data Storytelling, Data Science, Data Literacy, Data Analysis, Analysis, Applied Mathematics, Statistics, Computer Science
★ 4.3 (41) · Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Anomaly Detection, Forecasting, Business Intelligence, Business Reporting, Operational Analysis, Operational Efficiency, Business Analytics, Data Preprocessing, Predictive Analytics, Financial Forecasting, Information Privacy, Data Collection
Intermediate · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Data Warehousing, Data Persistence, Cloud Deployment, Data Analysis, Data Presentation, Cloud Computing, Data Architecture, Big Data, Cloud Services, Data Infrastructure, Analysis, Analytics, Data Storage, Database Administration, Cloud Infrastructure, Scalability, Data Processing, Extract, Transform, Load, Cloud Platforms, Public Cloud
★ 3.7 (166) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Web Scraping, R (Software), Relational Databases, Statistical Software, Data Import/Export, R Programming, Databases, Microsoft Excel
★ 4.6 (19) · Intermediate · Guided Project · Less Than 2 Hours