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 Colorado Boulder
Skills you'll gain: Dimensionality Reduction, Data Analysis, Supervised Learning, Anomaly Detection, Machine Learning, Machine Learning Algorithms, Statistical Analysis, Unsupervised Learning, Data Mining, Analytics, Predictive Modeling, Regression Analysis, Scikit Learn (Machine Learning Library), Classification And Regression Tree (CART), Exploratory Data Analysis, Project Planning
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Microsoft Azure, Big Data, Data Processing, Analytics, Data Pipelines, Databricks, Apache Spark, Business Intelligence, Data Analysis, Data Integration, Data Warehousing, Extract, Transform, Load, Real Time Data, Data Transformation, Scheduling
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data-Driven Decision-Making, Probability Distribution, Descriptive Statistics, Data Analysis, Data Visualization, R (Software), Box Plots, Statistical Methods, Data Manipulation, Probability, Statistical Analysis, Histogram
Beginner · Course · 1 - 3 Months

Skills you'll gain: JSON, jQuery, Web Development Tools, Browser Compatibility, UI Components
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Data Storage, Query Languages, Data Lakes, File Systems, Database Systems, SQL, Databases, Data Architecture, Cloud Storage, Data Warehousing, Amazon Web Services, Amazon S3, Graph Theory, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: SQL, Data Manipulation, Relational Databases, Database Design, Databases, Data Integrity, Database Management Systems, Debugging, Data Management
Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Sampling (Statistics), Quantitative Research, Research Methodologies, Data Analysis, Data Quality, Data Transformation, Statistical Analysis, Data Modeling, Data Validation, Statistical Methods
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Dashboard, Data Visualization, Data Modeling, Data Visualization Software, Data Transformation, Data Manipulation, Data Presentation, Business Reporting, Data Cleansing, Data Sharing, Key Performance Indicators (KPIs), Relationship Building
Beginner · Course · 1 - 4 Weeks

Eindhoven University of Technology
Skills you'll gain: Business Process, Process Analysis, Process Improvement, Business Process Management, Data Mining, Business Process Modeling, Process Optimization, Data Processing, Real Time Data, Data Science, Verification And Validation, Data Validation
Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Feature Engineering, Data Analysis, Predictive Modeling, Data Processing, Data Wrangling, Statistical Modeling, Statistics, Data Science, Data Collection, Applied Machine Learning, R Programming, Research, Supervised Learning, Data Validation, Technical Communication, Python Programming
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Data Visualization Software, Data Analysis, Data Sharing, Data Presentation, Data Manipulation, Data Import/Export
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Data Transformation, Engineering Management, Data-Driven Decision-Making, Data Storytelling, Data Integration, Capacity Management, Data Analysis, Unstructured Data, Data Management, Business Intelligence, Data Governance, Management Reporting
Beginner · Course · 1 - 4 Weeks