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.

Skills you'll gain: Customer Analysis, Sales, Data Analysis Software, Data Analysis, Query Languages, Trend Analysis, Databases, Customer Insights, Performance Analysis, Market Opportunities, Product Assortment
Intermediate · Guided Project · Less Than 2 Hours

The Hong Kong University of Science and Technology
Skills you'll gain: Search Engine Optimization, Web Analytics, Semantic Web, Performance Metric, Digital Marketing, Algorithms, Personalized Service, Text Mining, User Feedback, Natural Language Processing, User Research, Data Structures
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Google Sheets, Spreadsheet Software, Data Import/Export, Data Analysis Software, Data Presentation, Data Analysis, Business Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Matplotlib, Plot (Graphics), Statistical Visualization, Data Visualization Software, Interactive Data Visualization, Data Presentation, Scatter Plots, Jupyter, Histogram, Box Plots, Graphing, Computer Programming, Development Environment, Animations
Mixed · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Data Preprocessing, Feature Engineering, Data Import/Export, Exploratory Data Analysis, Data Cleansing, Statistical Visualization, Data Manipulation, Data Visualization, Data Transformation, Pandas (Python Package), Box Plots, Python Programming, Data Science, Scikit Learn (Machine Learning Library)
Advanced · Course · 1 - 3 Months

Skills you'll gain: Apache Hive, Big Data, JSON, Case Studies, Apache Hadoop, People Analytics, Policty Analysis, Research, and Development, Analytics, Data Analysis, Social Sciences, Data Wrangling, Data-Driven Decision-Making, Data Preprocessing, Data Processing, Business Analytics, Data Manipulation, Data Transformation, Query Languages, Debugging, Demography
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Python Programming, Simulations, Debugging, Pandas (Python Package), Program Development, Unit Testing, Test Case, Data Science, Software Design, Computational Thinking, Integration Testing, Computer Programming, Object Oriented Programming (OOP), Data Manipulation, Software Development
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Pipelines, Dataflow, Google Cloud Platform, Extract, Transform, Load, Data Processing, Apache Hive, Data Integration, Apache Spark, PySpark, Serverless Computing, Apache Hadoop, Big Data, Data Migration, Data Transformation, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Data Preprocessing, Applied Machine Learning, Machine Learning Methods, Machine Learning, Predictive Modeling, Feature Engineering, Data Pipelines, Data Transformation, Data Science, Python Programming, Regression Analysis
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: File I/O, Test Case, Data Validation, Verification And Validation, Scripting, Data Cleansing, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Nanjing University
Skills you'll gain: Data Analysis, Statistical Analysis, Financial Data, Data Presentation, Data Processing, User Interface (UI), Object Oriented Programming (OOP), Data Capture, Pandas (Python Package), NumPy, Python Programming, Graphical Tools, Data Manipulation, Matplotlib, Data Preprocessing
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Apache Kafka, Data Pipelines, Google Cloud Platform, Java, Public Cloud, Cloud API, Network Analysis
Beginner · Project · Less Than 2 Hours