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: Power BI, Dashboard, Business Intelligence, Data Presentation, Data Storytelling, Data Visualization Software, Data Transformation, Data Analysis Expressions (DAX), Business Analytics, Data Modeling, Star Schema, Data-Driven Decision-Making, Pivot Tables And Charts, Key Performance Indicators (KPIs), Interactive Data Visualization, Microsoft Power Platform, Microsoft Excel, Data Management, Data Analysis, Advanced Analytics
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: SQL, Query Languages, Relational Databases, Database Management, Databases, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Cloud Platform, Query Languages, Data Access, Google Gemini, Big Data, SQL, Ad Hoc Analysis, Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard, Pivot Tables And Charts, Data Transformation, Data Visualization Software, Interactive Data Visualization, Data Modeling, Data Presentation, Data Manipulation, Business Intelligence, Microsoft Excel, Microsoft Power Platform, Report Writing, Data Cleansing
Intermediate · Course · 3 - 6 Months

University of Colorado System
Skills you'll gain: Computational Thinking, Data Analysis, Analysis, C (Programming Language), Programming Principles, Data Structures, Descriptive Statistics, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Microsoft Excel, Spreadsheet Software, Data Entry, Data Integrity, Microsoft Office
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: MySQL, Business Intelligence, Role-Based Access Control (RBAC), SQL, Data Storytelling, Relational Databases, Data Visualization Software, Databases, Data Access, Query Languages, Data Transformation, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Portfolio Management, Risk Analysis, Investment Management, Time Series Analysis and Forecasting, Financial Modeling, Object Oriented Programming (OOP), Simulations, Regression Analysis, Jupyter, Python Programming, Pandas (Python Package), NumPy, Matplotlib, Data Manipulation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Data Pipelines, Microsoft SQL Servers, Microsoft Azure, Data Warehousing, Database Management Systems, SQL, Data Integration, Extract, Transform, Load
Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Metadata Management, Data Sharing, Data Pipelines, Extract, Transform, Load, Cloud Engineering, Google Cloud Platform, Data Migration, Data Warehousing, Apache Airflow, Data Processing, Big Data, Data Storage, Data Management, Apache Spark, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Plot (Graphics), Statistical Visualization, Data Visualization Software, Scientific Visualization, Interactive Data Visualization, Scatter Plots, Jupyter, Histogram, Box Plots, Graphing, Computer Programming, Integrated Development Environments, Animations
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Literacy, Data Visualization, Data Analysis, Research Design, Descriptive Statistics, Analytics, Analysis, Statistics, Quantitative Research, Statistical Methods, Probability & Statistics
Beginner · Course · 1 - 4 Weeks