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: Apache Hadoop, Apache Hive, Big Data, Database Design, Data Processing, Distributed Computing, Scalability, Data Pipelines, Query Languages, Data Cleansing, Data Transformation, Data Management, Analytics, Data Preprocessing, Data Analysis, File Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Unsupervised Learning, Feature Engineering, Time Series Analysis and Forecasting, Model Deployment, Model Optimization, Cloud Deployment, Amazon Web Services, Applied Machine Learning, Model Training, Machine Learning Methods, Amazon S3, Artificial Intelligence and Machine Learning (AI/ML), Cloud Computing, Model Evaluation, Forecasting, Data Preprocessing, Dimensionality Reduction
★ 3.7 (6) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Bayesian Statistics, Data Science, Statistical Machine Learning, Statistical Methods, Statistical Software, Statistical Analysis, Mathematics and Mathematical Modeling, Computational Logic, Statistical Inference, Probability & Statistics, Machine Learning Methods, Computational Thinking
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Make.com, Email Automation, Automation, Business Process Automation, No-Code Development, Data Processing, Automation Engineering, JSON, Data Transformation, AI Workflows, Data Import/Export, Robotic Process Automation, Data Integration, AI Integrations, Debugging, Productivity, API Design, Digital Transformation
★ 4.4 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Engineering, Data Pipelines, Data Transformation, Extract, Transform, Load, Data Integration, Data Warehousing, Software Engineering Tools, Data Import/Export, Stored Procedure, Data Sharing, SQL, Data Analysis, GitHub, Microsoft Visual Studio, Command-Line Interface, Application Deployment
★ 4.7 (147) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Analysis, Analytics, Data Literacy, Correlation Analysis, Applied Machine Learning, Data Visualization, Machine Learning
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Regression Analysis, Statistical Modeling, R Programming, Statistical Methods, Linear Algebra, Data Science, Mathematical Modeling, Data Modeling, Predictive Modeling, Statistics, Statistical Analysis, Applied Mathematics, General Mathematics, Derivatives
★ 4.5 (192) · Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Structures, Data Access, Python Programming, Data Management
Beginner · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Data Strategy, Data Management, Data Architecture, Data Security, Data Governance, Generative AI Agents, Metadata Management, Containerization, Data Ethics, Interoperability, Data Store, Retrieval-Augmented Generation, Taxonomy, Data Storage, Data Processing, Large Language Modeling, Machine Learning, Agentic systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Transformation, Data Integration, Web Scraping, Data Pipelines, Data Import/Export, JSON, Object Oriented Programming (OOP), Data Access, Extensible Markup Language (XML), Data Modeling, Data Collection, Extensible Languages and XML, Systems Integration, Application Programming Interface (API), Relational Databases
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AWS SageMaker, Exploratory Data Analysis, Feature Engineering, Dashboard Creation, Interactive Data Visualization, Data Presentation, Model Evaluation, Data Visualization, Data Pipelines, Project Documentation, Solution Delivery, Data Storytelling, Amazon Web Services, Data Analysis, Technical Documentation, Business Intelligence, Cloud Infrastructure, Technical Communication, Automation, Project Management
Beginner · Course · 1 - 3 Months