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.

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Financial Inclusion, Responsible AI, Data Ethics, Data Governance, FinTech, Financial Data, AI Personalization, Law, Regulation, and Compliance, Data Sharing, Financial Regulation, Financial Services, Decision Intelligence, Data Strategy, Financial Systems, Data Literacy, Finance, Business Ethics, Product Design, Application Programming Interface (API)
★ 4.8 (31) · Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Data Storytelling, Data Visualization, Data Presentation, Interactive Data Visualization, Tableau Software, Dashboard, Spatial Data Analysis, Data Visualization Software, Dashboard Creation, Data Integration, Business Intelligence, Geospatial Mapping, Spatial Analysis, Business Intelligence Software, Data Wrangling, Plot (Graphics), Data Manipulation, Data Preprocessing, Data Transformation, Data Analysis
★ 4.6 (11) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Scatter Plots, Plot (Graphics), Regression Analysis, Excel Formulas, Statistical Visualization, Microsoft Excel, Data Analysis, Statistical Modeling, Descriptive Statistics, Analytics, Statistical Analysis, Statistical Methods, Descriptive Analytics, Spreadsheet Software, Correlation Analysis, Statistics, Analysis, Exploratory Data Analysis, Predictive Modeling, Trend Analysis
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Azure Synapse Analytics, Data Integration, Cloud-Based Integration, Data Architecture, Cloud Storage, Data Lakes, Data Infrastructure, Data Pipelines, Data Storage, Databricks, Microsoft SQL Servers, Data Storage Technologies, NoSQL, .NET Framework, Data Security, Encryption, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Storytelling, Data Presentation, Dashboard Creation, Business Reporting, Responsible AI, Storytelling, Report Writing, Data Visualization, Interactive Data Visualization, Presentations, Financial Reporting, Generative AI, Financial Data, Technical Communication, Microsoft Excel, Financial Modeling, Data Ethics, Data Visualization Software, Strategic Communication
Advanced · Course · 1 - 3 Months

Skills you'll gain: Interoperability, Data Transformation, Secure Coding, Data Management, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Classification And Regression Tree (CART), Data-Driven Decision-Making, Minitab, Regression Analysis, Descriptive Statistics, Statistical Hypothesis Testing, Case Studies, Business Analytics, Strategic Decision-Making, Data Visualization, Analytics, Decision Tree Learning, Predictive Analytics, Estimation, Statistical Visualization, Probability & Statistics, Statistical Analysis, Data Analysis, Decision Making, Data Literacy
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Database Design, Data Integration, Social Media Analytics, Extensible Markup Language (XML), Database Management Systems, Database Management, JSON, Data Processing, Distributed Computing, Data Analysis, Analytics, Scalability, Extensible Languages and XML, Data Pipelines, Query Languages, Data Cleansing, Dataflow
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Computational Thinking, Algorithms, Programming Principles, Data Structures, Problem Solving, Javascript, Performance Tuning
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Maintenance, Data Quality, Data Cleansing, Model Training, Computer Vision, Data Visualization, Data Preprocessing, Deep Learning, Image Analysis, Model Evaluation, Model Optimization, AI Workflows, Verification And Validation, Exploratory Data Analysis
★ 4.5 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Algorithms, Java Programming, Java, Computational Thinking, Computer Programming, Applied Mathematics, Geometry, Problem Solving
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, AI Personalization, Data Engineering, Context Engineering, AI Orchestration, System Monitoring, Generative AI, Data Processing, AI Workflows, Extract, Transform, Load, Scalability, Large Language Modeling, Data Architecture, Data Pipelines, Embeddings, Continuous Monitoring, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks