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: Data-Driven Decision-Making, Business Intelligence, Data Presentation, Data Storytelling, Interactive Data Visualization, Data Visualization Software, Power BI, Pivot Tables And Charts, Key Performance Indicators (KPIs), Performance Reporting, Data Analysis, Business Reporting, Trend Analysis, Conversion Funnel Analysis
★ 4.1 (10) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Exploratory Data Analysis, R (Software), Ggplot2, Statistical Reporting, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Plot (Graphics), Statistics, Statistical Visualization, Data Wrangling, Data Science, R Programming, GitHub, Data Transformation, Statistical Analysis, Git (Version Control System), Statistical Programming
★ 4.7 (26) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Professional Networking, Interviewing Skills, Professional Development, Presentations, Data Science, Company, Product, and Service Knowledge, Writing, Business Research, Portfolio Management, Job Analysis, Problem Solving, Communication
★ 4.7 (384) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Design Thinking, Market Opportunities, Data Integration, Data Engineering, Data Science, Analytical Skills, Data Pipelines, Data Validation, Extract, Transform, Load, Data Processing, Workflow Management, Process Modeling, Data Cleansing, Data Quality, Data Collection, Business Priorities, NumPy, Machine Learning, Python Programming
★ 4.3 (189) · Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Data Structures, Data Processing, Verification And Validation, Python Programming, Data Manipulation, Programming Principles, Scripting, Scripting Languages, Computer Programming, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Azure DevOps, Azure DevOps Pipelines, Power BI, Model Optimization, Data Lakes, Data Architecture, Data Modeling, Performance Tuning, Development Environment, Data Warehousing, Security Controls, Data Store, Data Storage Technologies, Process Optimization, Data Security, Application Deployment, Git (Version Control System), Data Analysis, Python Programming
Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Star Schema, Data Modeling, Extract, Transform, Load, Performance Tuning, Tableau Software, Model Optimization, Database Design, Data Warehousing, Data Integration
Advanced · Course · 1 - 3 Months

University of Glasgow
Skills you'll gain: Responsible AI, Generative AI, Generative Model Architectures, AI literacy, Risking, AI Integrations, Data Ethics, ChatGPT, Risk Management Framework, Data Science, LLM Application, Large Language Modeling, Artificial Intelligence and Machine Learning (AI/ML), Data Security, Statistical Methods
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Correlation Analysis, Plot (Graphics), Matplotlib, Seaborn, Data Cleansing, Data Visualization, Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Data Science, Statistical Analysis, Data Wrangling, Python Programming
★ 4.5 (445) · Beginner · Guided Project · Less Than 2 Hours

University of Pittsburgh
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Data Presentation, Spatial Data Analysis, Data Visualization, Datamaps, Tableau Software, Matplotlib, Geospatial Information and Technology, Leaflet (Software), Spatial Analysis, Geospatial Mapping, Plot (Graphics), Seaborn, Visual Storytelling, Data Ethics, Data Mapping, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Security Controls, Scalability, Azure Synapse Analytics, Data Pipelines, Databases, Microsoft Azure, Data Governance, Extract, Transform, Load, Data Lakes, Databricks, NoSQL, Data Processing, Data Management, Big Data, Apache Spark, Dashboard Creation, Interactive Data Visualization, Large Language Modeling, Applied Machine Learning, Model Training
Intermediate · Professional Certificate · 3 - 6 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Molecular Biology, Bioinformatics, Data Literacy, Science and Research, Data Analysis, Spatial Data Analysis, Scientific Methods, Data Processing, Cell Biology, Informatics, Biology, Data Collection
★ 3.5 (19) · Intermediate · Course · 1 - 3 Months