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.

Skills you'll gain: Oracle Cloud, Oracle Databases, Oracle Cloud Applications, Data Infrastructure, Data Architecture, Data Migration, Database Administration, Database Software, Data Lakes, Database Architecture and Administration, Data Integration, NoSQL, Database Management, Cloud Management, MySQL, Cloud Deployment, Data Security, Security Controls, Machine Learning Methods
★ 4.6 (8) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Information Management, Security Awareness, Personally Identifiable Information, Cloud Security, Encryption, Health Informatics, Health Information Management and Medical Records, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Data Security, Security Controls, Cyber Attacks, Medical Records, Health Technology, Health Administration, Information Privacy, Cloud Computing, Patient Safety
★ 4.8 (477) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: File I/O, Object Oriented Design, Java Programming, Object Oriented Programming (OOP), Data Structures, Java, Cryptography, Software Engineering, Computer Programming, Algorithms, Encryption, Data Store, Program Development, Web Analytics and SEO, Data Import/Export, Web Servers, File Management
★ 4.6 (3.2K) · Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Bash (Scripting Language), Linux Commands, Shell Script, Linux, Linux Administration, Unix Shell, File Management, grep, File Systems, Scripting, Command-Line Interface, File I/O, Scripting Languages, Remote Access Systems, Data Manipulation, Data Processing, Data Management, Development Environment
★ 4.6 (136) · Intermediate · Course · 1 - 4 Weeks

STARWEAVER
Skills you'll gain: AI Personalization, System Monitoring, Generative AI, Data Processing, Extract, Transform, Load, Scalability, Large Language Modeling, Data Architecture, Data Pipelines, Context Management, Performance Tuning, Continuous Monitoring, Database Systems, Data Quality, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Modeling, Graphing, Mathematical Modeling, Algebra, Trigonometry, Linear Algebra, Calculus, General Mathematics, Mathematical Software, Applied Mathematics, Geometry
★ 4.8 (123) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Interactive Data Visualization, Dashboard, Dashboard Creation, Tableau Software, Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Spreadsheet Software, Data Analysis Software, Business Intelligence, Performance Tuning, Data Analysis, Analytics, Analytical Skills, Business Metrics
★ 4.1 (8) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Tableau Software, Data Visualization Software, Data Analysis, Dashboard, Dashboard Creation
★ 4.8 (22) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, File Management, Microsoft Azure, Azure Synapse Analytics, Information Management, Data Management, Databricks, Data Storage Technologies, Data Security
★ 4.6 (18) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Dashboard Creation, Data Visualization Software, Data Modeling, Dashboard, Data Wrangling, Interactive Data Visualization, Data Presentation, Data Storytelling, Data Transformation, Data Cleansing, Data Import/Export, Exploratory Data Analysis, Data Analysis, Key Performance Indicators (KPIs)
★ 4.9 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Data Analysis, Data Synthesis, Data Presentation, Data Transformation, Data Cleansing, Data Manipulation
★ 4.6 (357) · Beginner · Course · 1 - 3 Months

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Computer Programming
★ 2.7 (7) · Intermediate · Course · 1 - 3 Months