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: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, AWS SageMaker, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, LLM Application, Applied Machine Learning, Model Optimization, Deep Learning, A/B Testing, Python Programming, Machine Learning, Data Analysis, AWS CloudFormation, AI Personalization
★ 3.9 (44) · Intermediate · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Javascript and jQuery, jQuery, Data Validation, Javascript, Event-Driven Programming, Application Programming Interface (API), Object Oriented Programming (OOP)
★ 4.8 (69) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Classification Algorithms, Applied Machine Learning, Machine Learning Methods, Dimensionality Reduction, Data Analysis, Supervised Learning, Anomaly Detection, Machine Learning, Machine Learning Algorithms, Unsupervised Learning, Data Mining, Predictive Modeling, Model Evaluation, Regression Analysis, Decision Tree Learning, Statistical Methods, Project Planning, Logistic Regression
★ 5 (7) · Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C and C++, Data Structures, Secure Coding, Application Security, System Programming, Programming Principles
★ 4.5 (75) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Star Schema, Data Analysis Expressions (DAX), Power BI, Snowflake Schema, Data Modeling, Model Optimization, Performance Tuning, Business Intelligence, Data Analysis
★ 3.8 (14) · Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: digital literacy, Systems Design, Systems Development, Data Security, System Design and Implementation, Data Ethics, Cybersecurity, Information Technology, Information Privacy
★ 4.5 (54) · Beginner · Course · 1 - 4 Weeks

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Programming Principles, Database Management Systems, System Design and Implementation, Theoretical Computer Science, Computer Programming, Computer Science
★ 2.9 (40) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Business Intelligence, Looker (Software), Data Visualization, Data Presentation, Interactive Data Visualization, Business Reporting, Data Visualization Software, Dashboard, Data Storytelling, Dashboard Creation, Power BI, Business Analytics, Data Analysis, Business Marketing, Trend Analysis
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, R (Software), Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Data Wrangling, Data Processing, Data Transformation, Software Installation
★ 4.7 (313) · Beginner · Course · 1 - 4 Weeks
Madecraft
Skills you'll gain: Plotly, Interactive Data Visualization, Data Visualization, Data Visualization Software, Data Presentation, Statistical Visualization, Data Storytelling, Dashboard Creation, Dashboard, Scatter Plots, Graphing, Diagram Design, Python Programming, Geospatial Information and Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Pipelines, Google Cloud Platform, Cloud Security, Data Processing, Data Security, Cloud Storage, Containerization
★ 4.1 (94) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Import/Export, Data Cleansing, Data Preprocessing, Data Analysis, Data Quality, Human Resources Information System (HRIS), Data Ethics, Data Validation, Microsoft Excel, Data Integrity, Verification And Validation, AI Workflows, Relational Databases, Project Documentation
Beginner · Course · 1 - 4 Weeks