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: Calculus, Integral Calculus, Advanced Mathematics, Mathematical Theory & Analysis, Applied Mathematics, Numerical Analysis, Mathematical Modeling, Mathematical Software, Exploratory Data Analysis
★ 4.9 (63) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Plotly, Matplotlib, Exploratory Data Analysis, Plot (Graphics), Data Visualization, Interactive Data Visualization, Data Visualization Software, Statistical Visualization, Seaborn, Scatter Plots, Data Analysis, Box Plots, Descriptive Statistics, Jupyter, Data Science, Statistical Analysis, Python Programming, GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Data Wrangling, Data Manipulation, Spreadsheet Software, Business Reporting, Financial Analysis, Financial Data, Data Import/Export, Data Cleansing, Excel Formulas, Microsoft Excel, Budget Management, Trend Analysis, Expense Management, Data Analysis, Financial Reporting, Pivot Tables And Charts, Variance Analysis, Descriptive Analytics, Budgeting
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Identity and Access Management, Query Languages, Data Management, User Provisioning, Cloud Storage, Database Architecture and Administration, Cloud Computing Architecture, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File Management, Document Management, Data Management, Data Governance, Data Literacy, Records Management, Data Cleansing, File Systems, Data Analysis, Data Processing, Data Maintenance, Record Keeping, Data Quality, Version Control
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Pandas (Python Package), Plot (Graphics), Exploratory Data Analysis, Microsoft Excel, Statistical Visualization, Pivot Tables And Charts, Data Manipulation, Box Plots, Data Visualization, Descriptive Statistics, Time Series Analysis and Forecasting, Data Cleansing, Spreadsheet Software, Data Transformation, Feature Engineering, Data Wrangling, Data Import/Export, Data Analysis, Data Integration, Python Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Plot (Graphics), Data Preprocessing, E-Commerce, Business Analytics, Data Visualization Software, Data Visualization, Data-Driven Decision-Making, Descriptive Statistics, Data Analysis, Graphing, Statistical Visualization, Scatter Plots, Exploratory Data Analysis, Analysis, Development Environment, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Graph Theory, Network Model, Python Programming, Data Manipulation, Memory Management, Algorithms, Debugging, Computer Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Statistical Inference, Statistical Analysis, Data Literacy, Data Analysis, Probability & Statistics, Estimation, Correlation Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, MySQL Workbench, Database Development, MySQL, Relational Databases, Databases, SQL, Database Management, Query Languages, Data Manipulation, Data Migration
★ 4.8 (9) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Quantum computing, Public Key Cryptography Standards (PKCS), Cryptography, Data Structures, Cryptographic Protocols, Algorithms, Encryption, Theoretical Computer Science, Computer Science, Programming Principles, Mathematical Software, Advanced Mathematics
★ 4.6 (69) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Conversion Funnel Analysis, Marketing Analytics, Data-Driven Marketing, Web Analytics, Digital Analysis, Customer Analysis, Marketing Automation, Customer Insights, Correlation Analysis, Statistical Methods, Statistical Analysis, Web Analytics and SEO, Decision Intelligence, System Monitoring, Model Evaluation, Continuous Monitoring, Quality Assessment, Data Validation, Verification And Validation
Beginner · Course · 1 - 4 Weeks