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.

Corporate Finance Institute
Skills you'll gain: Model Evaluation, Feature Engineering, Data Science, Data Analysis, Business Analytics, Data Literacy, Statistical Methods, Predictive Analytics, Predictive Modeling, Data-Driven Decision-Making, Regression Analysis, Statistical Analysis, Business Intelligence, Applied Machine Learning, Machine Learning Methods, Machine Learning, Data Processing, Data Cleansing, Exploratory Data Analysis, Data Preprocessing
★ 4.8 (16) · Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: File I/O, Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File Management, Development Environment, Programming Principles, Problem Solving
★ 4.6 (109) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, NumPy, Pandas (Python Package), Pivot Tables And Charts, Business Reporting, Data Manipulation, Analytics, Data Processing, Data Wrangling, Business Analytics, Data Cleansing, Performance Analysis, Data Analysis, Numerical Analysis, Data Transformation, Analytical Skills, Data Management, Algebra, Linear Algebra, Decision Making
Mixed · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Data Visualization, Data Science, Pandas (Python Package), Data Analysis, Python Programming, Public Policies, Jupyter, Natural Language Processing, Programming Principles, Web Applications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Time Series Analysis and Forecasting, Data Visualization, Statistical Visualization, Plot (Graphics), Data Preprocessing, Box Plots, Anomaly Detection, Plotly, Exploratory Data Analysis, Data Processing, Descriptive Analytics, Python Programming
★ 4.5 (19) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle Cloud, Oracle Databases, Oracle Cloud Applications, Data Infrastructure, Data Architecture, Data Migration, Database Administration, Database Software, Data Lakes, Database Architecture and Administration, Data Integration, NoSQL, Database Management, Cloud Management, MySQL, Cloud Deployment, Data Security, Security Controls, Machine Learning Methods
★ 4.6 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Copilot, Sales Strategy, Customer Analysis, Data Cleansing, Sales Management, Sales, Customer Relationship Management (CRM) Software, Customer Insights, Data Quality, Data Maintenance, Sales Prospecting, Prospecting and Qualification, Customer Data Management, Customer Engagement, AI Personalization, Advanced Analytics, Personalized Service, Data Integrity, Personally Identifiable Information, Data-Driven Marketing
★ 3.7 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Databricks, CI/CD, Apache Spark, Microsoft Azure, Data Governance, Data Lakes, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Data Infrastructure, Real Time Data, Data Integration, Data Pipelines, IT Automation, Data Management, Automation, Data Storage, Metadata Management, File Systems
★ 4.4 (57) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Integration, Databases, Data Processing, Database Development, Database Management, Data Manipulation, File I/O, MySQL, Data Mapping, Dataflow, Software Installation, Data Transformation, Operations, Software Versioning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Descriptive Statistics, Model Evaluation, Feature Engineering, Probability & Statistics, Supervised Learning, Statistical Hypothesis Testing, Exploratory Data Analysis, Box Plots, Regression Analysis, Statistics, Predictive Modeling, Time Series Analysis and Forecasting, Data Science, Statistical Programming, Histogram, Statistical Analysis, Database Application, Database Software, Python Programming
★ 4.6 (39) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Graph Theory, Data Structures, Algorithms, Computer Programming, Python Programming, Programming Principles, Computational Thinking, Data Science, Theoretical Computer Science, Model Optimization, Data Processing, Geometry, Data Analysis Expressions (DAX), Data Manipulation, Data Analysis, Data Management, Applied Mathematics
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Metadata Management, Data Integration, Data Pipelines, Databases, Business Logic, Data Processing, Java, File Management, Data Import/Export, Database Management, Data Manipulation, File I/O, Data Mapping, Dataflow, Scalability, Data Transformation, Software Documentation, Software Installation, File Systems
Beginner · Specialization · 1 - 3 Months