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 Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Probability, Box Plots, Histogram, Probability Distribution, Scatter Plots, Microsoft Excel, Excel Formulas, Data Analysis, Bayesian Statistics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Internet Of Things, TCP/IP, Network Protocols, Telecommunications, General Networking, PIC Microcontrollers, Communication Systems, Wireless Networks, Cloud Services, Electrical Wiring, Cloud Storage, Microarchitecture, Field-Programmable Gate Array (FPGA), Restful API, Cloud Solutions, Electrical Equipment, Basic Electrical Systems, Power Electronics, Electrical Power, Electric Power Systems
Mixed · Course · 1 - 4 Weeks

Maven Analytics
Skills you'll gain: Microsoft Copilot, Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Human Resources Software, Data Manipulation, Data Analysis, Microsoft 365, Data Presentation, ChatGPT, Data Visualization, Artificial Intelligence, Generative AI, Prompt Engineering
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Java, Java Programming, Theoretical Computer Science, Computer Programming, Computational Thinking, Programming Principles, Performance Tuning, Object-Relational Mapping, Computer Programming Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Data Visualization, Data Visualization Software, Statistical Visualization, Data Preprocessing, Box Plots, Anomaly Detection, Heat Maps, Plotly, Exploratory Data Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Apache Hive, Apache Mahout, NoSQL, Apache Hadoop, Extract, Transform, Load, Big Data, Data Warehousing, Data Pipelines, Cloud Management, Application Deployment, Databases, SQL, Performance Tuning, Data Processing, File Systems, Real Time Data, Query Languages, Database Management, Data Transformation, Scalability
Beginner · Specialization · 3 - 6 Months

Tsinghua University
Skills you'll gain: Data Structures, Database Design, Query Languages, Algorithms, Computer Programming
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Unit Testing, Growth Mindedness, Data Structures, Graph Theory, Event-Driven Programming, Social Network Analysis, Interactive Data Visualization, Java, Java Programming, Network Analysis, Object Oriented Programming (OOP), Technical Communication, User Interface (UI), JUnit, Object Oriented Design, Computer Programming, Adaptability, Performance Tuning, Algorithms, Problem Solving
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Predictive Modeling, Decision Tree Learning, Data Analysis, Regression Analysis, Classification Algorithms, Supervised Learning, Machine Learning Algorithms, Model Evaluation, Scikit Learn (Machine Learning Library), Data Preprocessing, Statistical Machine Learning, Feature Engineering
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Power BI, Data Presentation, Data Visualization Software, Data Storytelling, Data Visualization, Interactive Data Visualization, Advanced Analytics, Data Analysis, Business Intelligence, Statistical Reporting
Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Interactive Data Visualization, Data Visualization Software, Data Visualization, Network Analysis, Tableau Software, Statistical Visualization, Network Model, Dashboard, Time Series Analysis and Forecasting, Matplotlib, Data Analysis, Seaborn, Graph Theory, Pandas (Python Package), Python Programming
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Data Modeling, Dashboard, Interactive Data Visualization, Data Presentation, Data Processing, Data Storytelling, Data Transformation, Data Preprocessing, Data Integration, Data Cleansing, Data Import/Export, Data Analysis, Data Quality, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 4 Weeks