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.

Duke University
Skills you'll gain: Data-Driven Decision-Making, Data Strategy, Strategic Decision-Making, Business Analytics, Business Intelligence, Decision Intelligence, Analytics, Data Literacy, Decision Making, Forecasting, Data Science, Operational Analysis, Data Analysis, Market Intelligence, Predictive Analytics, AI Enablement, Artificial Intelligence
★ 4.4 (15) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Extract, Transform, Load, Object-Relational Mapping, Data Cleansing, Data Manipulation, Data Quality, Data Pipelines, Pandas (Python Package), Descriptive Statistics, Database Management, Data Transformation, Data Integrity, Relational Databases, Exploratory Data Analysis, Data Store, Databases, Descriptive Analytics, Data Persistence, Data Analysis, Graphical Tools
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Threat Modeling, Application Security, Security Engineering, Blockchain, Security Controls, Security Requirements Analysis, IT Security Architecture, Security Testing, Security Architecture Review, Data Security, Identity and Access Management, Vulnerability Assessments, Cryptographic Protocols, Cryptography, Threat Detection, Distributed Denial-Of-Service (DDoS) Attacks, Information Assurance, Public Key Infrastructure, Risk Analysis, Penetration Testing
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Data Presentation, Ggplot2, R (Software), Statistical Visualization, R Programming, Data Visualization Software, Data Analysis, Scatter Plots, Statistical Analysis, Histogram, Tidyverse (R Package), Public Administration, Statistical Programming, Trend Analysis
★ 4.8 (12) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: SQL, Microsoft SQL Servers, Relational Databases, Transact-SQL, Data Transformation, Database Theory, Data Manipulation, Databases, Query Languages, Database Development, Database Software, Database Management, Data Access, Database Design, Data Wrangling, GitHub Copilot, Generative AI Agents, Data Presentation, Maintainability
★ 4.6 (272) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Plot (Graphics), Prompt Engineering Tools, Large Language Modeling, Text Mining, Retrieval-Augmented Generation, Model Optimization, Data Visualization Software, Fine-tuning, Unstructured Data, Data Processing, Data Analysis
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Warehousing, Star Schema, Dashboard Creation, Data Visualization Software, MicroStrategy, Business Intelligence, Data Integration, Data Architecture, Extract, Transform, Load, Data Modeling, Case Studies, Business Intelligence Software, Data Management, PostgreSQL, SQL, Analytical Skills, Query Languages, Data Transformation
★ 4.6 (294) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Responsible AI, Data Ethics, AI literacy, Debugging, Data Transformation, Generative AI, Prompt Patterns, Data Preprocessing, Analytics, AI Integrations, AI Workflows, Data Analysis, Data Cleansing, Excel Formulas, Data Manipulation, Code Review, Model Optimization, Data Analysis Software, SQL
★ 4.6 (13) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Processing, Pivot Tables And Charts, Data Visualization, Data Analysis, Data Transformation, Numerical Analysis, Exploratory Data Analysis, Data Cleansing, Data Structures
Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Software Design, Program Development, Data Structures, Visualization (Computer Graphics), Graphic and Visual Design, Systems Design, Computer Graphics, Creative Design, Python Programming, Linear Algebra
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Plotly, Object Oriented Programming (OOP), Matplotlib, Pandas (Python Package), Plot (Graphics), Interactive Data Visualization, Data Visualization, Seaborn, Data Analysis, File I/O, Data Visualization Software, NumPy, Data Structures, Restful API, Python Programming, Application Programming Interface (API), Data Manipulation, Programming Principles, Computer Programming, Program Development
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Statistical Visualization, Scatter Plots, Strategic Decision-Making
★ 3.4 (7) · Beginner · Course · 1 - 4 Weeks