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.

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Sampling (Statistics), Quantitative Research, Analysis, Research Methodologies, Data Analysis, Data Collection, Data Quality, Data Transformation, Statistical Analysis, Data Modeling, Data Validation, Statistical Methods, Mitigation
★ 4.7 (82) · Beginner · Course · 1 - 4 Weeks

Unilever
Skills you'll gain: Data Governance, Data Storytelling, Data Presentation, Data Literacy, Presentations, Data Visualization, Supply Chain, Data Management, Supply Chain Management, Data Analysis, Data Analysis Software, Analytics, Data Visualization Software, Data Quality, Data Compilation, Analytical Skills, Data Cleansing, Data Synthesis, Risk Management, Problem Solving
★ 4.5 (93) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Plot (Graphics), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Data Analysis, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Statistical Reporting, Scripting, Package and Software Management, Scripting Languages, Data Transformation
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Microsoft Copilot, Data Visualization, Data Analysis, Interactive Data Visualization, Data Presentation, Exploratory Data Analysis, Data Storytelling, Data Visualization Software, Dashboard, Data Cleansing, Microsoft Excel, AI Workflows, Microsoft PowerPoint, Artificial Intelligence and Machine Learning (AI/ML), AI Personalization, Excel Formulas, Data Architecture, Excel Macros, Generative AI, Microsoft Windows
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Sample Size Determination, Interactive Data Visualization, Data Visualization, Statistical Inference, Data Visualization Software, Statistical Hypothesis Testing, Statistics, Data-Driven Decision-Making, Microsoft Excel, Correlation Analysis, Descriptive Statistics, Probability & Statistics, Data Analysis, Forecasting, Regression Analysis, Data Literacy, Statistical Modeling, Statistical Visualization, Data Presentation
★ 4.7 (118) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Lakes, Data Pipelines, Data Integration, Apache Airflow, Performance Tuning, Data Security, Data Architecture, Data Transformation, Apache Spark, Disaster Recovery, Data Warehousing, Cloud Infrastructure, SQL, Infrastructure as Code (IaC), Database Architecture and Administration, PySpark, Terraform, Extract, Transform, Load, Cloud Computing, Data Governance
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Ethics, Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, General Data Protection Regulation (GDPR), Health Information Management, Information Privacy, Personally Identifiable Information, Healthcare Ethics, Data Security, Health Informatics, Law, Regulation, and Compliance, Healthcare Industry Knowledge, Regulatory Compliance, Data Integrity, Risk Analysis, Data Access
Intermediate · Course · 1 - 4 Weeks

Clemson University
Skills you'll gain: Dimensionality Reduction, Model Evaluation, Data Cleansing, Matplotlib, Regression Analysis, Unsupervised Learning, Data Science, Statistical Analysis, Anomaly Detection, Data Preprocessing, Statistical Methods, Data Wrangling, Plot (Graphics), Descriptive Statistics, Data Analysis, Data Visualization Software, Applied Machine Learning, Pandas (Python Package), Data Mining, Data-Driven Decision-Making
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Web Scraping, Rmarkdown, R (Software), Leaflet (Software), R Programming, Interactive Data Visualization, Cloud Storage, Microsoft Azure, Data Ethics, Data Integration, Data Collection, Data Pipelines, Data Engineering, Big Data, Data Migration, Data Warehousing, Data Transformation, Data Modeling, Data Security, Database Management
Intermediate · Course · 1 - 3 Months

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Theoretical Computer Science, Code Reusability, Object Oriented Programming (OOP), Network Routing, Application Design, Application Development
★ 4.8 (1.2K) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data-Driven Decision-Making, Descriptive Statistics, Data Literacy, Data Analysis, Plot (Graphics), Probability Distribution, Statistical Software, Statistics, Statistical Visualization, R (Software), Data Visualization, Statistical Analysis, Probability, R Programming, Probability & Statistics, Statistical Programming, Descriptive Analytics, Statistical Hypothesis Testing, Data Manipulation, Histogram
★ 4.3 (15) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Analytical Skills, Research, Critical Thinking, Trustworthiness, Query Languages, Due Diligence, Market Research, Risk Management, Annual Reports
Beginner · Course · 1 - 4 Weeks