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.

University at Buffalo
Skills you'll gain: Process Mapping, Performance Improvement, Data Collection, Process Improvement, Process Improvement and Optimization, Business Process, Business Process Improvement, Process Design, Data Strategy, Process Analysis, Data-Driven Decision-Making, Performance Measurement, Process Flow Diagrams, Business Priorities, Data Validation, Business Process Modeling, Plan Execution, Data Capture, Operational Performance Management, Performance Analysis
★ 4.6 (275) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Plotly, Seaborn, Data Visualization Software, Data Visualization, Statistical Visualization, Plot (Graphics), Interactive Data Visualization, Data Presentation, Scatter Plots, Heat Maps, Data Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Statistical Visualization, Data Visualization Software, Data Visualization, Data Presentation, STATA (Software), Scatter Plots, Plot (Graphics), Box Plots, Exploratory Data Analysis, Histogram, Descriptive Statistics, Heat Maps, Graphing, Probability Distribution
Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Dashboard, Microsoft Excel, Pivot Tables And Charts, Star Schema, Spreadsheet Software, Dashboard Creation, Data Transformation, Data Analysis Expressions (DAX), Data Storytelling, Data Analysis, Excel Formulas, Extract, Transform, Load, Consolidation, Data Visualization Software, Data Presentation, Data Modeling, Business Intelligence, Competitive Analysis, Data Wrangling, Data Manipulation
★ 4.7 (224) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Exploratory Data Analysis, Generative Model Architectures, Generative Adversarial Networks (GANs), Data Ethics, Feature Engineering, Predictive Modeling, Responsible AI, Data Science, Data Synthesis, Data Analysis, Data Visualization Software, Autoencoders
★ 4.6 (284) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Warehousing, Data Architecture, Data Infrastructure, Data Storage, Database Administration, Extract, Transform, Load, Database Architecture and Administration, Data Integration, Cloud Storage, Data Mart, Data Storage Technologies, Database Design, Operational Data Store, Database Systems, Query Languages, Data Persistence, Metadata Management
★ 3.8 (69) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data-Driven Decision-Making, Descriptive Statistics, Data Literacy, Data Analysis, Plot (Graphics), Probability Distribution, Statistical Software, Statistics, Statistical Visualization, R (Software), Statistical Methods, Data Visualization, Statistical Analysis, Probability, R Programming, Probability & Statistics, Statistical Programming, Descriptive Analytics, Statistical Hypothesis Testing, Data Manipulation
★ 4.2 (16) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Flow Diagrams (DFDs), Diagram Design, Data Mapping, Data Literacy, Software Design Documents, Data Pipelines, Data Visualization, Dataflow, Technical Communication, Data Store, Data Transformation
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Business Intelligence, Data Literacy, Forecasting, Supply Chain Management, Demand Planning, Data Analysis, Dashboard, Supply Chain, Customer Demand Planning, Decision Intelligence, Supply Chain Planning, Supply Chain Systems, Operational Analysis, Inventory and Warehousing, Financial Forecasting, Operational Performance Management, Variance Analysis, Performance Measurement, Operating Cost, Performance Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Data Presentation, Responsible AI, Prompt Engineering, Prompt Patterns, Data Analysis, Spreadsheet Software, AI Enablement
★ 4.8 (1.1K) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: NumPy, Debugging, Pandas (Python Package), Statistics, Correlation Analysis, Data Analysis, Statistical Programming, Descriptive Statistics, Exploratory Data Analysis, Data Wrangling, Data Preprocessing, LLM Application, Data-oriented programming, Program Development, Code Reusability, Numerical Analysis, Critical Thinking
★ 4 (24) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Excel, Analytical Skills, Dashboard Creation, Excel Formulas, Spreadsheet Software, Dashboard, Data Analysis, IBM Cognos Analytics, Pivot Tables And Charts, Data Analysis Software, Analysis, Data Visualization Software, Data Cleansing
★ 4.6 (342) · Beginner · Course · 1 - 4 Weeks