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: Plotly, PyTorch (Machine Learning Library), NumPy, Matplotlib, Object Oriented Programming (OOP), Pandas (Python Package), Plot (Graphics), Data Structures, Unit Testing, Object Oriented Design, Python Programming, File I/O, Data Visualization Software, Algorithms, Interactive Data Visualization, Machine Learning Methods, Computational Thinking, Programming Principles, Computer Programming, Code Reusability
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Data Analysis Expressions (DAX), Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Processing, Data Presentation, Data Transformation, Data Analysis, Data Visualization, Statistical Methods
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Literacy, Data Analysis, Package and Software Management, R Programming, Analysis, R (Software), Statistical Analysis, Tidyverse (R Package), Data Analysis Software, Data Manipulation, Statistical Visualization, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Persuasive Communication, Storytelling, Presentations, Data Visualization, Driving engagement, Communication, Marketing Analytics, Business Priorities, Data-Driven Decision-Making, User Feedback, Google Analytics, Stakeholder Communications, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Modeling, Graphing, Mathematical Modeling, Algebra, Trigonometry, Linear Algebra, Calculus, General Mathematics, Mathematical Software, Applied Mathematics, Geometry
Beginner · Course · 1 - 3 Months

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

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Data Strategy, Data Management, Data Architecture, Data Security, Data Governance, Generative AI Agents, Metadata Management, Containerization, Data Ethics, Interoperability, Data Store, Retrieval-Augmented Generation, Taxonomy, Data Storage, Data Processing, Large Language Modeling, Machine Learning, Agentic systems
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PySpark, MySQL, Data Pipelines, Apache Spark, Data Access, Data Processing, Data Transformation, Data Manipulation, Distributed Computing, Data Import/Export, Python Programming
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Tableau Software, Report Writing, Data Visualization Software, Dashboard, Data Visualization, Data Analysis, Data-Driven Decision-Making, Dashboard Creation, Data Presentation, Ad Hoc Reporting, Interactive Data Visualization, Microsoft Excel, Data Manipulation, Data Sharing, Microsoft PowerPoint, Data Management, Decision Making, Productivity Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: Apple iOS, Core Data (Software), iOS Development, Application Design, Swift Programming, User Interface (UI), Mobile Development, UI Components, Machine Learning Software, Software Architecture, Performance Tuning, Database Development, Database Application, Database Management, Software Design, Application Frameworks, Application Development, Game Design, AI Integrations, Model Optimization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Responsible AI, Data Collection, Game Theory, Data Preprocessing, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Algorithms, Decision Intelligence, Artificial Intelligence, Model Evaluation, Predictive Modeling, Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Apache Spark, Scala Programming, Spring Boot, Java Programming, Development Environment, Apache, JSON, Data Transformation, Solution Design, Data Processing, Content Management, Performance Tuning, Software Architecture, Data Validation, Software Installation, System Configuration
Beginner · Specialization · 1 - 3 Months