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.

Tableau Learning Partner
Skills you'll gain: Data Storytelling, Ad Hoc Reporting, Data Presentation, Dashboard, Dashboard Creation, Interactive Data Visualization, Storytelling, Tableau Software, Data Visualization Software, Data Analysis, Business Intelligence, Presentations, Stakeholder Engagement
★ 4.7 (76) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Warehousing, Data Flow Diagrams (DFDs), Data Lakes, Data Pipelines, Diagram Design, Data Integration, Performance Tuning, Data Governance, Cloud Deployment, Data Management, Data Modeling, Data Mapping, Dataflow, Extract, Transform, Load, Trend Analysis, Service Level Agreement, SQL, Apache Kafka, Python Programming
Intermediate · Specialization · 3 - 6 Months

American Psychological Association
Skills you'll gain: Regression Analysis, Correlation Analysis, Statistical Software, Data Visualization, Statistical Analysis, Descriptive Statistics, Histogram, Data Analysis, Data Presentation, Exploratory Data Analysis, Data Visualization Software, Data Literacy, Probability & Statistics, Analysis, Graphing, Variance Analysis, Statistical Visualization, Statistical Methods, Probability Distribution, Social Sciences
★ 4.5 (8) · Beginner · Specialization · 3 - 6 Months

Cloudera
Skills you'll gain: SQL, Apache Hive, Big Data, MySQL, Query Languages, Databases, Analytics, PostgreSQL, Data Manipulation, Data Integration, Data Analysis, Data Management, Virtual Machines
★ 4.8 (531) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: R (Software), Model Evaluation, Statistical Modeling, Statistics, Data Visualization, Data Analysis, Sampling (Statistics), Data Wrangling, Data Manipulation, Predictive Modeling, Correlation Analysis, Histogram, Biostatistics, Statistical Reporting, Statistical Analysis, Statistical Hypothesis Testing, Scripting, Statistical Software, Package and Software Management, Scripting Languages
★ 4.9 (13) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Employee Onboarding, Team Motivation, Interviewing Skills, New Hire Orientations, Organizational Leadership, Team Management, Team Performance Management, Team Building, Organizational Effectiveness, Team Leadership, People Management, Technical Management, Staff Management, Recruitment, Full Cycle Recruitment, Talent Recruitment, Recruitment Strategies, Empowerment, Data Science, Cross-Functional Collaboration
★ 4.5 (3.3K) · Mixed · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Systems, Database Theory, MongoDB, Database Development, Database Management Systems, Data Modeling, Database Management, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Management, Performance Tuning, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Database Software, Databases, Database Management, SQL, Query Languages, Data Analysis, Data Science, Statistical Analysis
★ 3.1 (9) · Beginner · Project · Less Than 2 Hours

University of Amsterdam
Skills you'll gain: Lean Six Sigma, Statistical Hypothesis Testing, Minitab, Statistical Visualization, Six Sigma Methodology, Regression Analysis, Graphing, Probability Distribution, Statistical Methods, Data Analysis, Lean Methodologies, Statistical Analysis, Statistical Software, Statistical Modeling, Probability & Statistics, Data-Driven Decision-Making, Analytics, Data Analysis Software, Process Improvement, Statistics
★ 4.8 (3.5K) · Beginner · Course · 1 - 3 Months
Duke University
Skills you'll gain: Data Storytelling, Dashboard, Data Presentation, Tableau Software, Dashboard Creation, Data Visualization, Business Analytics, Interactive Data Visualization, Statistical Visualization, Process Improvement, Business Process, Business Process Improvement, Presentations, Data Visualization Software, Oral Expression, Data Analysis, Graphing, Analysis, Visualization (Computer Graphics), Stakeholder Communications
★ 4.7 (3.2K) · Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Health Informatics, Machine Learning Methods, Deep Learning, Machine Learning, Machine Learning Algorithms, Health Care, Artificial Neural Networks, Applied Machine Learning, Supervised Learning, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Healthcare Project Management, Medical Science and Research, Unsupervised Learning, Program Development
★ 3.1 (30) · Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Spring Framework, Object-Relational Mapping, Transaction Processing, Data Persistence, Spring Boot, Database Management, Database Systems, Data Access, Restful API, Web Services, Data Management
★ 3.9 (47) · Intermediate · Course · 1 - 4 Weeks