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 of California San Diego
Skills you'll gain: Apache Spark, Apache Hadoop, Data Integration, Big Data, Data Pipelines, Data Processing, Data Management, NoSQL, Analytics, Splunk, Database Systems, MongoDB, Pandas (Python Package), SQL, PostgreSQL
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Scatter Plots, Plot (Graphics), Dashboard, Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Geospatial Information and Technology, Data Literacy, Statistical Reporting, Data Manipulation, Data Science, Data Analysis
Beginner · Specialization · 3 - 6 Months

MathWorks
Skills you'll gain: Data Visualization, Interactive Data Visualization, Data Import/Export, Technical Communication, Data Analysis, Exploratory Data Analysis, Data Visualization Software, Data Cleansing, Matlab, Statistical Analysis, Probability & Statistics, Descriptive Statistics, Data Manipulation, Data Mapping, Scripting
Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Database Design, MySQL, Relational Databases, SQL, Data Modeling, Databases, Business Analytics, Big Data, Business Analysis, Data Analysis, Data Management
Mixed · Course · 1 - 3 Months
Duke University
Skills you'll gain: Predictive Modeling, Predictive Analytics, Microsoft Excel, Data-Driven Decision-Making, Business Analytics, Data Analysis, Business Risk Management
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: 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 Cleansing, Data Quality, Data Import/Export, Target Audience
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: R (Software), Statistical Modeling, Data Visualization, Data Wrangling, Data Manipulation, Correlation Analysis, Histogram, Data Analysis, Statistical Analysis, Biostatistics, Statistics, Statistical Hypothesis Testing, Scripting, Package and Software Management, Predictive Modeling, Risk Analysis, Descriptive Statistics, Data Import/Export
Beginner · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Big Data, Anomaly Detection, Text Mining, Unstructured Data, Exploratory Data Analysis, Spatial Analysis, Advanced Analytics, Statistical Methods, Image Analysis, Algorithms, Information Privacy
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Matplotlib, Plotly, Seaborn, Data Visualization Software, Data Visualization, Statistical Visualization, Interactive Data Visualization, Scatter Plots, Box Plots, Heat Maps, Histogram
Intermediate · Course · 1 - 3 Months

EIT Digital
Skills you'll gain: Data Strategy, Data-Driven Decision-Making, Big Data, Data Science, NoSQL, Data Modeling, Data Storage Technologies, Analytics, Business Analytics, Data Analysis, Data Ethics, Machine Learning, Unsupervised Learning, Regression Analysis, Classification And Regression Tree (CART), Supervised Learning, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: SQL, Database Management, Database Design, Relational Databases, Databases, Query Languages, Performance Tuning, Data Analysis
Beginner · Course · 1 - 4 Weeks

Interactive Brokers
Skills you'll gain: Environmental Social And Corporate Governance (ESG), Data Collection, Due Diligence, Big Data, Analytics, Investment Management, Financial Market, Business Ethics, Sustainable Business, Portfolio Management, Accountability, Artificial Intelligence, Machine Learning, Natural Language Processing
Beginner · Course · 1 - 3 Months