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.

University of Illinois Urbana-Champaign
Skills you'll gain: Data Visualization, Data Visualization Software, Text Mining, Data Presentation, Data Mining, Dashboard, Tableau Software, Plot (Graphics), Dashboard Creation, Natural Language Processing, Unsupervised Learning, Data Mapping, Unstructured Data, Statistical Analysis, Graphing, Big Data, Data-Driven Decision-Making, Analytics, Data Analysis, Statistical Machine Learning
Intermediate · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Data Structures, Algorithms, Data Storage, Programming Principles, Graph Theory, Memory Management, Computer Programming, C++ (Programming Language), Java Programming, Java, Theoretical Computer Science
Intermediate · Course · 1 - 3 Months

Skills you'll gain: NoSQL, Database Administration, Data Warehousing, SQL, Data Pipelines, Apache Hadoop, Database Architecture and Administration, Database Design, Database Management, Relational Databases, Data Security, Linux Commands, Data Migration, Data Governance, MongoDB, Apache Spark, Apache Kafka, Extract, Transform, Load, Data Architecture, Data Store
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: NoSQL, Extract, Transform, Load, Database Administration, Apache Spark, Data Warehousing, Web Scraping, Data Pipelines, Apache Hadoop, Database Architecture and Administration, Database Design, Linux Commands, SQL, IBM Cognos Analytics, Data Store, Generative AI, Professional Networking, Data Import/Export, Python Programming, Data Analysis, Data Science
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Beginner · Professional Certificate · 3 - 6 Months

Snowflake
Skills you'll gain: Data Engineering, Data Pipelines, Database Management, Data Manipulation, Databases, Data Store, Data Transformation, Continuous Deployment, Extract, Transform, Load, Devops Tools, Data Warehousing, Change Control, DevOps, SQL, Data Integration, CI/CD, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Data Analysis
Beginner · Professional Certificate · 1 - 3 Months
Skills you'll gain: Data Storytelling, Rmarkdown, Data Visualization, Data Presentation, Data Ethics, Data Cleansing, Interactive Data Visualization, Data Validation, Ggplot2, R (Software), Sampling (Statistics), Spreadsheet Software, Data Analysis, Stakeholder Communications, LinkedIn, Object Oriented Programming (OOP), Data Literacy, Web Presence, Data Structures, Interviewing Skills
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Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: SQL, Data Cleansing, Jupyter, Data Literacy, Data Mining, Data Manipulation, Data Preprocessing, Data Wrangling, R (Software), Business Analysis, Model Deployment, Database Management, Relational Databases, Stored Procedure, R Programming, Data Science, Data Processing, Big Data, Computer Programming Tools, Python Programming
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Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Presentation, Interactive Data Visualization, Google Gemini, Analytics, Business Analytics, Data Wrangling, AI Personalization, Artificial Intelligence, Model Evaluation, Performance Analysis, AI Enablement, AI literacy, AI Workflows, Generative AI, Simulation and Simulation Software, Productivity Software, Google Workspace, Responsible AI
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Data Storytelling, Web Scraping, Google Sheets, Data Visualization, Data Presentation, Statistical Visualization, Spreadsheet Software, Large Language Modeling, Tableau Software, Data Literacy, Dashboard, Pandas (Python Package), Time Series Analysis and Forecasting, Probability & Statistics, Extract, Transform, Load, Statistical Analysis, Statistics, Data Manipulation, Data Analysis, Descriptive Statistics
Beginner · Professional Certificate · 3 - 6 Months
Skills you'll gain: Interactive Data Visualization, Statistics, Descriptive Statistics, Logistic Regression, Decision Tree Learning, Advanced Analytics, Probability & Statistics, Probability Distribution, Statistical Inference, Applied Machine Learning, Data-Driven Decision-Making, Supervised Learning, Workflow Management, Statistical Methods, Statistical Modeling, Data Cleansing, Data Structures, Interviewing Skills, NumPy, Professional Development
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Advanced · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Data Visualization Software, Scientific Visualization, Interactive Data Visualization, Geospatial Information and Technology, Geospatial Mapping, Data Presentation, Color Theory, Graphic and Visual Design, Visual Design, Spatial Data Analysis, Tree Maps, Visualization (Computer Graphics), Data Storytelling, Statistical Visualization, Design Elements And Principles, Tableau Software, Plot (Graphics), Data Literacy, Computer Displays, Time Series Analysis and Forecasting
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Data Storytelling, Data Analysis Expressions (DAX), Data Presentation, Power BI, Data Ethics, Dashboard Creation, Dashboard, Data Modeling, Data Governance, Extract, Transform, Load, Data Visualization, Business Intelligence, Interactive Data Visualization, Data Visualization Software, Data Analysis, Statistical Analysis, Correlation Analysis, Data Architecture, Data Cleansing, Data Transformation
Beginner · Professional Certificate · 3 - 6 Months