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: Data Import/Export, Web Scraping, Tidyverse (R Package), Data Integration, Data Manipulation, Data Transformation, Relational Databases, Google Sheets, Unstructured Data, R Programming, Extensible Markup Language (XML), Spreadsheet Software, Databases, SQL, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Storage Technologies, Database Administration, Database Architecture and Administration, Data Management, Databases, Dataflow, Data Import/Export, Cloud API
Beginner · Project · Less Than 2 Hours

Skills you'll gain: SQL, Database Design, Database Management, Relational Databases, Data Manipulation, Databases, Data Import/Export, PostgreSQL, Database Management Systems, Data Integrity
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: LangChain, LLM Application, Real Time Data, Application Frameworks, Document Management, Data Store, Data Quality, Image Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Cleansing, Prompt Engineering, Data Processing, Microsoft Excel, Data Manipulation, Microsoft Copilot, Data Wrangling, Data Quality, Data Transformation, Data Integrity, Data Validation, Excel Formulas, Data Analysis
Beginner · Course · 1 - 3 Months
Skills you'll gain: Data Integration, Extract, Transform, Load, Metadata Management, Amazon Redshift, Amazon Web Services, Data Pipelines, Data Warehousing, Amazon S3, Automation, Cloud-Native Computing, Data Transformation, Serverless Computing, Process Optimization, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MySQL Workbench, MySQL, Database Management Systems, Database Management, Data Manipulation, Data Management, SQL, Databases, Query Languages, Data Integration, Data Science
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Validation, Data Cleansing, Alteryx, Data Quality, Microsoft Excel, Data Integrity, Data Integration, Data Import/Export, Test Tools, Relational Databases
Intermediate · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Data Quality, Data Cleansing, Quantitative Research, Data Validation, Data Collection, Data Processing, Data Analysis, Data Access, Statistical Analysis, Sampling (Statistics)
Beginner · Course · 1 - 4 Weeks
CertNexus
Skills you'll gain: Extract, Transform, Load, Data Manipulation, Data Cleansing, Data Processing, Data Transformation, Data Warehousing, Data Integration, Data Quality, Data Import/Export, Data Collection, Data Mining
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Jupyter, Microsoft Excel, Spreadsheet Software, Project Schedules, Data Import/Export, Data Visualization Software, Python Programming, Email Automation, Data Literacy, Data Structures, Data Manipulation
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Ggplot2, Data Cleansing, Tidyverse (R Package), Data Wrangling, Data Transformation, Data Visualization, R Programming, Data Manipulation, Data Analysis, Data Management, Pivot Tables And Charts
Intermediate · Guided Project · Less Than 2 Hours