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: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Preprocessing, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Logistic Regression, Analysis
★ 4.2 (383) · Mixed · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, GIS Software, Database Management Systems, Big Data, Database Systems, Apache Hadoop, Data Modeling, PostgreSQL, Network Analysis
★ 4.5 (532) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Model Evaluation, Regression Analysis, Leaflet (Software), Exploratory Data Analysis, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Interactive Data Visualization, Probability & Statistics, Data Presentation, Data Visualization, Statistical Analysis, Statistical Modeling, R Programming, Machine Learning, GitHub
★ 4.4 (7.2K) · Intermediate · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Data Loss Prevention, Data Governance, Compliance Management, Compliance Auditing, Compliance Reporting, Microsoft 365, Technical Communication, Payment Card Industry (PCI) Data Security Standards, Regulation and Legal Compliance, Data Security, Governance, Data Sharing, Investigation, Data Access, Technical Documentation, Microsoft Copilot, Security Controls, Management Reporting, Workflow Management, Audit Working Papers
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Business Analysis, Data Analysis, Presentations, Data Visualization, Microsoft PowerPoint, Data Presentation, Google Sheets, Anthropic Claude, Microsoft Excel, Business Research, Generative AI, Microsoft Copilot, Business Reporting, ChatGPT, Performance Reporting, Data Cleansing, Google Workspace, Stakeholder Communications, Financial Reporting, Visual Design
★ 4.9 (17) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Probability, Statistical Hypothesis Testing, Statistical Inference, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Bayesian Statistics, Statistical Analysis, Sampling (Statistics), Applied Mathematics, Data Ethics, Data Analysis, Correlation Analysis, Data Science, Sample Size Determination, Data Collection
★ 4.4 (366) · Intermediate · Specialization · 3 - 6 Months

Edureka
Skills you'll gain: PySpark, Model Optimization, Data Pipelines, Dashboard Creation, Dashboard, Interactive Data Visualization, Model Training, Data Processing, Data Storage Technologies, Data Architecture, Natural Language Processing, Data Storage, Data Wrangling, Data Integration, Data Transformation, Machine Learning, Deep Learning
★ 2.7 (11) · Intermediate · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Data Integration, Data Validation, Data Quality, Data Cleansing, Data Modeling, Data Transformation, Health Systems, Data Warehousing, Star Schema, Data Analysis, Analytics, Interoperability, Relational Databases
★ 4.5 (58) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Database Design, SQL, Database Management Systems, Database Development, NoSQL, Relational Databases, Data Warehousing, Database Theory, Database Systems, Database Architecture and Administration, Databases, Database Software, Database Administration, Data Store, Database Management, Data Modeling, Query Languages, Big Data, Data Architecture, Database Application
★ 4.7 (1.5K) · Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Unsupervised Learning, Data Mining, Applied Machine Learning, Machine Learning Algorithms, Spatial Analysis, Machine Learning Methods, Model Evaluation, Statistical Methods, Taxonomy, Exploratory Data Analysis, Algorithms, Verification And Validation
★ 4.5 (411) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Clinical Research Ethics, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Statistical Programming, Data Wrangling, Data Processing, Electronic Medical Record, Data Manipulation, SQL, Data Access, Query Languages
★ 4.5 (436) · Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Visualization, Data Ethics, Dashboard Creation, Data Presentation, Performance Measurement, Data Analysis, Tableau Software, Data Integrity, Stakeholder Engagement, Data Storytelling, Analysis, Communication Strategies, Prompt Patterns, Statistical Methods, Analytics, Data Infrastructure, Stakeholder Communications, Visual Design, Spreadsheet Software, Verbal Communication Skills
★ 4.7 (112) · Beginner · Specialization · 3 - 6 Months