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.

Coursera
Skills you'll gain: Applied Machine Learning, Predictive Modeling, Jupyter, Predictive Analytics, Model Evaluation, Model Optimization, Data Analysis, Machine Learning, Data Science, Python Programming
★ 4.7 (228) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Power BI, Data Transformation, Data Preprocessing, Data Manipulation, Data Cleansing, Data Integration, Data Wrangling, Predictive Modeling
★ 4.8 (30) · Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Bioinformatics, Data Structures, Code Reusability, Jupyter, Python Programming, Programming Principles, Scripting, File I/O, Computational Logic, Computer Programming, Data Manipulation, Analysis
★ 4.3 (1.8K) · Mixed · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Development Environment, Engineering Software, Computer Programming, Software Engineering, Data Structures, Memory Management, Computer Programming Tools, Debugging, Program Development
★ 4.7 (3K) · Intermediate · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Bayesian Statistics, Statistical Hypothesis Testing, Sampling (Statistics), Statistical Inference, Exploratory Data Analysis, Regression Analysis, R (Software), Statistical Reporting, Probability & Statistics, Probability Distribution, Statistical Analysis, Statistical Methods, Statistics, Statistical Programming, Statistical Software, Data Analysis, Probability, R Programming, Statistical Modeling, Data Visualization
★ 4.7 (7.7K) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Tableau Software, Data Storytelling, Dashboard, Data Presentation, Dashboard Creation, Interactive Data Visualization, Data Visualization Software, Geospatial Information and Technology, Data Visualization, Forecasting, Spatial Data Analysis, Time Series Analysis and Forecasting, Statistical Visualization, Data Analysis, Predictive Analytics, Exploratory Data Analysis, Color Theory, Business Analytics, Marketing Analytics, Analytics
★ 4.5 (17) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Structures, Graph Theory, Algorithms, Computational Thinking, Programming Principles, Solution Design, Model Optimization, Computational Logic, Data Validation
Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Analysis Software, Power BI, Data Analysis, Data Synthesis, Data Transformation, Timelines, Data Manipulation, Data Management
★ 4.7 (90) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Descriptive Statistics, Bayesian Statistics, Statistical Hypothesis Testing, Probability & Statistics, Sampling (Statistics), Statistical Methods, Probability Distribution, Probability, Statistical Inference, Statistics, A/B Testing, Statistical Analysis, Statistical Machine Learning, Data Science, Exploratory Data Analysis, Correlation Analysis, Histogram, Statistical Visualization, Box Plots
★ 4.6 (696) · Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Clinical Data Management, Data Quality, Quality Assurance, Clinical Trial Management Systems, Case Report Forms, Clinical Trials, Data Maintenance, Clinical Monitoring, Data Cleansing, Data Management, Data Integrity, Clinical Research, Microsoft Excel, Data Compilation, Data Collection, Data Sharing, Data Security, Treatment Planning, Statistical Analysis
★ 4.7 (193) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Apache Hive, Big Data, IBM Cloud, Kubernetes, Docker (Software), Scalability, Data Processing, Development Environment, Distributed Computing, Performance Tuning, Open Source Technology, Data Transformation, Debugging
★ 4.4 (485) · Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Excel Formulas, Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Data Validation, Data Visualization, Data Analysis, Interactive Data Visualization, Productivity Software, Data Integrity, Microsoft 365
★ 3 (6) · Mixed · Course · 1 - 4 Weeks