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: Pandas (Python Package), Data Analysis, Data Manipulation, NumPy, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Data Transformation, Data Processing
Mixed · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Data Processing, Data Manipulation, Data Visualization, Interactive Data Visualization, Web Scraping, Data Visualization Software, Pandas (Python Package), Data Science, Data Cleansing, Matplotlib, Data Import/Export, NumPy, Jupyter, JSON, Python Programming
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Probability & Statistics, Scatter Plots, Microsoft Excel, Statistics, Data Import/Export, Data Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Data Ethics, Data Integrity, Data Analysis, Tableau Software, Stakeholder Communications, Sample Size Determination, Responsible AI, Verbal Communication Skills, Small Data, Decision Making, Stakeholder Analysis, Sampling (Statistics), Key Performance Indicators (KPIs), Big Data, Data Sharing, Statistics, Information Privacy, Spreadsheet Software, Concision
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Looker (Software), Data Modeling, Dashboard, Database Design, Data Warehousing, Performance Tuning, Business Intelligence Software, SQL, Data Analysis
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Data Manipulation, Data Science, Histogram, Package and Software Management, Data Import/Export, Python Programming
Intermediate · Course · 1 - 4 Weeks

Packt
Intermediate · Course · 1 - 3 Months

Wesleyan University
Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Predictive Modeling, Random Forest Algorithm, Applied Machine Learning, Predictive Analytics, Unsupervised Learning, Machine Learning, Supervised Learning, Data Analysis, Data Mining, Feature Engineering, Exploratory Data Analysis, Regression Analysis, Statistical Analysis, Statistical Methods, Python Programming
Mixed · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Unsupervised Learning, Data Mining, Data Validation, Machine Learning Algorithms, Machine Learning Methods, Statistical Methods, Exploratory Data Analysis, Algorithms
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, Data Analysis Software, R Programming, Statistical Programming, Data Manipulation, Data Structures, Software Installation, Data Import/Export, Data Access
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Generative AI, Microsoft Copilot, Natural Language Processing, Data Quality, Anomaly Detection, Data Storytelling, Technical Communication, Responsible AI, Data Visualization, Data Ethics, Data-Driven Decision-Making, Interactive Data Visualization, Data Pipelines, Data Cleansing, Data Visualization Software, Data Analysis, Data Science, Data Security, Data Synthesis, Critical Thinking
Beginner · Specialization · 1 - 3 Months