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 Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Statistical Analysis, Data Presentation, Ggplot2, Program Evaluation, Policy Analysis, Surveys, Data Ethics, R (Software), Data Analysis, Tidyverse (R Package), Statistical Visualization, R Programming, Statistical Methods, Public Policies, Data Visualization Software, Case Studies, Political Sciences
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Feature Engineering, Data Preprocessing, AWS SageMaker, Data Cleansing, Apache Spark, Extract, Transform, Load, Data Pipelines, Data Transformation, Amazon Web Services, Responsible AI, Data Quality, Data Integrity, Amazon S3, Personally Identifiable Information, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Application Security, Information Systems Security, Software Installation, System Configuration, Data Management, Computer Hardware, Data Security, Hardware Architecture, Data Storage, Information Technology Operations, Microsoft Windows, Firewall, Disaster Recovery, Encryption, Role-Based Access Control (RBAC), Identity and Access Management
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Plot (Graphics), Data Presentation, Ggplot2, R (Software), Statistical Visualization, R Programming, Data Visualization Software, Data Analysis, Scatter Plots, Graphic and Visual Design, Histogram, Tidyverse (R Package), Public Administration, Trend Analysis, Policy Analysis
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Linear Algebra, R Programming, Data Science, Probability Distribution, Statistical Modeling, Mathematical Modeling, Probability & Statistics, Applied Mathematics, Statistical Analysis, Statistical Inference
Advanced · Course · 1 - 4 Weeks

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

Northeastern University
Skills you'll gain: Database Design, Database Theory, Data Modeling, Database Management Systems, Metadata Management, Databases, Data Management, Relational Databases, Unified Modeling Language, Data Governance, Enterprise Modeling, Data Integrity, Data Quality
Build toward a degree
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Precision Medicine, Clinical Trials, Data Analysis, Data-Driven Decision-Making, Analytics, Data Science, Strategic Decision-Making, Decision Making, Health Policy, Random Forest Algorithm, Personalized Service, A/B Testing, Machine Learning, Online Advertising
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Surveys, Interviewing Skills, Data Collection, Sampling (Statistics), Unstructured Data, Research Methodologies, Qualitative Research, Data Validation, Data Quality, Text Mining
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, API Gateway, Scalability, Systems Architecture, Software Architecture, Data Management, Distributed Computing, Databases, API Design, Restful API, Software Design Patterns, NoSQL, GraphQL, Event-Driven Programming
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data-Driven Decision-Making, Looker (Software), Big Data, Data Analysis, Google Cloud Platform, Analytics, Business Intelligence, Data Storage, Data Visualization Software, Dashboard, SQL, Data Warehousing
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Teradata SQL, SQL, Stored Procedure, Transaction Processing, Query Languages, Performance Tuning, Database Management, Data Manipulation, Data Security, Extract, Transform, Load, Database Architecture and Administration, Data Transformation, Data Storage, Relational Databases, Solution Design, Database Management Systems, Data Import/Export, Database Design, System Implementation, Mainframe Computing
Intermediate · Specialization · 1 - 3 Months