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.

Packt
Skills you'll gain: Plotly, PyTorch (Machine Learning Library), NumPy, Matplotlib, Pandas (Python Package), Plot (Graphics), Data Visualization Software, Interactive Data Visualization, Machine Learning Methods, Python Programming, Applied Machine Learning, Scatter Plots, Numerical Analysis, Data Manipulation, Deep Learning, Image Analysis, Linear Algebra, Data Wrangling
Intermediate · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, GIS Software, Database Management Systems, Big Data, Database Systems, Apache Hadoop, Data Modeling, PostgreSQL, Network Analysis
★ 4.5 (532) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Engineering, Data Manipulation, Data Access, Data Warehousing, SQL, Data Pipelines, Extract, Transform, Load, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Databases, Stored Procedure, Cloud Services, Database Management, LLM Application, Application Frameworks, Generative AI, Applied Machine Learning, Data Science, Machine Learning
★ 4.8 (225) · Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Data Storytelling, Model Evaluation, Feature Engineering, Data Visualization, Plot (Graphics), Supervised Learning, Dimensionality Reduction, Data Presentation, Data Integration, Scientific Visualization, Statistical Visualization, Data Preprocessing, Interactive Data Visualization, Exploratory Data Analysis, Data Import/Export, Classification Algorithms, Model Training, Technical Communication, Data Analysis, Machine Learning Methods
★ 4.8 (1.1K) · Beginner · Specialization · 3 - 6 Months

Tableau Learning Partner
Skills you'll gain: Tableau Software, Data Visualization Software, Business Analytics, Business Intelligence, Data Preprocessing, Data Integration, Data Cleansing, Performance Tuning
★ 4.8 (320) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Dashboard Creation, Dashboard, Tableau Software, Peer Review, Data Visualization, Data Storytelling, Interactive Data Visualization, Data Presentation, Data Visualization Software, Exploratory Data Analysis, Proposal Development, Data Analysis, Data Wrangling, Data Access, Data Quality, Data Import/Export
★ 4.6 (589) · Intermediate · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Feature Engineering, Data Preprocessing, Model Evaluation, Data Quality, Model Training, Data Validation, Data Cleansing, Data Transformation, Verification And Validation, Applied Machine Learning, Machine Learning, Responsible AI, Machine Learning Algorithms, Algorithms, Python Programming, Computer Programming, Linear Algebra, Statistical Analysis
★ 4.4 (98) · Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Jupyter, Programming Principles, Computer Programming Tools, Computer Programming, Python Programming, Software Installation, Data Structures, Data Science
★ 4.4 (30) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Data Wrangling, Electronic Medical Record, Data Manipulation, SQL, Data Access, Query Languages
★ 4.5 (430) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Probability, Statistical Hypothesis Testing, Statistical Inference, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Bayesian Statistics, Statistical Analysis, Sampling (Statistics), Applied Mathematics, Data Ethics, Data Analysis, Correlation Analysis, Data Science, Sample Size Determination, Artificial Intelligence
★ 4.4 (360) · Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: File I/O, Development Environment, Data Access, Data Structures, File Management, Data Storage, Scripting, Python Programming, Integrated Development Environments, Debugging
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

Tableau Learning Partner
Skills you'll gain: Data Visualization Software, Spatial Data Analysis, Tableau Software, Data Storytelling, Statistical Visualization, Interactive Data Visualization, Data Presentation, Geospatial Information and Technology, Geospatial Mapping, Data Analysis, Business Intelligence, Data Mapping, Conversion Funnel Analysis
★ 4.9 (107) · Beginner · Course · 1 - 4 Weeks