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.

Johns Hopkins University
Skills you'll gain: Survey Creation, Sampling (Statistics), Quantitative Research, Research Methodologies, Data Analysis, Data Quality, Research Design, Model Evaluation, Data Transformation, Statistical Analysis, Data Modeling, Statistical Methods
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Social Network Analysis, Network Analysis, Graph Theory, Technical Communication, Data Structures, Algorithms, Analysis, Computer Science, Research
Mixed · Course · 1 - 3 Months

Skills you'll gain: Excel Macros, Data Validation, Scatter Plots, Pivot Tables And Charts, Microsoft Excel, Data Visualization, Regression Analysis, Excel Formulas, Histogram, Data Analysis, Data Integrity, Descriptive Statistics, Data Visualization Software, Spreadsheet Software, Analytics, Statistical Analysis, Data Analysis Expressions (DAX), Statistical Methods, Descriptive Analytics, Automation
Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Business Analytics, Business Metrics, Analytics, Business Process Improvement, Business Intelligence, Business Process, Tableau Software, Business Analysis, Data Analysis, Key Performance Indicators (KPIs), Web Analytics, Data-Driven Decision-Making, Digital Transformation, E-Commerce, Financial Services, SQL, Decision Making
Mixed · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Clinical Informatics, Data Ethics, Health Informatics, Responsible AI, Electronic Medical Record System, Health Care, Health Technology, Clinical Data Management, Healthcare Ethics, Artificial Intelligence, Natural Language Processing, Decision Support Systems, Machine Learning, Data Quality, Generative AI
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Sharing, Identity and Access Management, Authorization (Computing), Data Access, Google Cloud Platform, User Accounts, Data Migration, Data Management, Cloud Computing
Beginner · Project · Less Than 2 Hours
University of Toronto
Skills you'll gain: Scientific Visualization, Data Visualization Software, Statistical Visualization, Interactive Data Visualization, Bioinformatics, Ggplot2, Visualization (Computer Graphics), R (Software), Dimensionality Reduction, Scatter Plots, R Programming, Network Analysis, Exploratory Data Analysis, Heat Maps, Molecular Biology, Design Thinking
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Microsoft Excel, Sales Tax, Regulatory Requirements, Law, Regulation, and Compliance, Automation
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data Visualization Software, PySpark, Data Visualization, Data Storytelling, Statistical Visualization, Site Reliability Engineering, Docker (Software), Databricks, Containerization, Interactive Data Visualization, Plot (Graphics), Plotly, Data Pipelines, Matplotlib, Kubernetes, Apache Spark, Apache Hadoop, Big Data, Data Science, Python Programming
Intermediate · Specialization · 1 - 3 Months

University of Glasgow
Skills you'll gain: Data Literacy, Business Transformation, Data-Driven Decision-Making, Strategic Leadership, Leadership, Leadership Development, Leadership and Management, Organizational Change, Big Data, Data Management, Analytical Skills, Decision Making, Agile Methodology
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Model Evaluation, Data Mining, Unsupervised Learning, Supervised Learning, Service Level, Probability, Dimensionality Reduction, Deep Learning, Statistical Modeling, Applied Machine Learning, Anomaly Detection, Machine Learning Algorithms, Statistical Inference, Statistical Hypothesis Testing, Statistical Machine Learning, Data Warehousing, Recurrent Neural Networks (RNNs), Performance Testing, Bash (Scripting Language), Data Science
Credit offered
Graduate Certificate · 6 - 12 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Big Data, Apache Hive, Apache Spark, NoSQL, Data Infrastructure, File Systems, Data Processing, Data Management, Analytics, Data Science, Databases, SQL, Query Languages, Data Manipulation, Java, Data Structures, Distributed Computing, Scripting Languages, Performance Tuning
Intermediate · Specialization · 3 - 6 Months