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.

Rice University
Skills you'll gain: Capital Budgeting, Cash Flows, Probability & Statistics, Finance, Financial Statements, Microsoft Excel, Descriptive Statistics, Financial Accounting, Business Analytics, Box Plots, Probability Distribution, Data Visualization, Probability, Statistics, Ledgers (Accounting), Financial Analysis, Business Valuation, Business Mathematics, Financial Management, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: General Data Protection Regulation (GDPR), Information Privacy, Personally Identifiable Information, Data Governance, Incident Response, Data Security, Accountability, Compliance Management, Data Processing, Data Sharing, Data Access, Regulatory Requirements, Informed Consent
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Exploratory Data Analysis, Data Visualization Software, Dashboard, Interactive Data Visualization, Data Analysis, Google Analytics, Data Integration
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Applied Machine Learning, Unsupervised Learning, Statistical Machine Learning, Regression Analysis, Classification And Regression Tree (CART), Statistical Methods, Decision Tree Learning, Data Science, Predictive Modeling, Statistical Analysis, Statistical Programming, Artificial Neural Networks, R Programming, Supervised Learning, Probability & Statistics, Advanced Analytics, Dimensionality Reduction, Random Forest Algorithm, Machine Learning
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Fractal Analytics
Skills you'll gain: Responsible AI, Data Governance, Data Strategy, Data Ethics, Data Management, Data Pipelines, Data Architecture, Generative AI, Metadata Management, Data Store, Governance, Data Loss Prevention, Data Security, Interoperability, Data Integrity, Docker (Software), Data Storage, LLM Application, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Oracle Cloud, Oracle Databases, Data Architecture, Data Migration, Database Administration, Data Lakes, Database Architecture and Administration, NoSQL, MySQL, JSON, Data Security, Analytics, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, File Management, Microsoft Azure, Information Management, Data Management, Data Storage Technologies
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Interactive Data Visualization, Dashboard, Tableau Software, Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Business Intelligence, Performance Tuning, Data Analysis, AI Personalization, Analytics, Analytical Skills, Business Metrics
Beginner · Course · 1 - 3 Months
University of Glasgow
Skills you'll gain: Health Informatics, ICD Coding (ICD-9/ICD-10), Clinical Data Management, Data Mining, Medical Records, Clinical Informatics, Descriptive Analytics, Database Design, Electronic Medical Record, Precision Medicine, Analytics, Relational Databases, Patient Flow, Exploratory Data Analysis, Descriptive Statistics, Predictive Analytics, Predictive Modeling, SQL, Interoperability, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pandas (Python Package), Data Import/Export, Matplotlib, Pivot Tables And Charts, Jupyter, Data Visualization Software, Microsoft Excel, Data Analysis, Text Mining, Data Manipulation, Data Cleansing, NumPy, Data Analysis Software, Data Integration, Data Wrangling, Time Series Analysis and Forecasting, Data Transformation, Python Programming, Data Structures, Development Environment
Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Data Warehousing, Big Data, Databases, Business Analytics, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Flutter (Software), JSON, User Interface (UI), User Interface and User Experience (UI/UX) Design, Database Development, Databases, Interactive Data Visualization, Debugging, Application Development, Mobile Development, Data Storage Technologies, Application Programming Interface (API), Data Management
Intermediate · Course · 1 - 4 Weeks