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: Rmarkdown, Exploratory Data Analysis, R (Software), Version Control, Statistical Analysis, R Programming, Data Manipulation, Data Cleansing, Data Science, Data Wrangling, Data Visualization, Data Processing, Plot (Graphics), Statistical Programming, Statistical Visualization, Ggplot2, Knitr, Data Sharing, GitHub, Machine Learning
★ 4.6 (48K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Visualization, Generative AI, Matplotlib, Data Literacy, Prompt Engineering, Power BI, Excel Formulas, Microsoft Excel, Plotly, Plot (Graphics), Data Ethics, Data Presentation, Pivot Tables And Charts, Data Visualization Software, Generative Model Architectures, Data Analysis, Statistical Analysis, Scientific Visualization, Microsoft Copilot, Data Cleansing
★ 4.3 (650) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Warehousing, Data Pipelines, Data Preprocessing, Data Processing, Data Modeling, Data Management, Data Science, Data Cleansing, Model Evaluation, Exploratory Data Analysis
★ 3.9 (120) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Power BI, Data-Driven Decision-Making, Data Processing, Data Integration, Data Cleansing, Data Wrangling, Data Manipulation, Extract, Transform, Load, Data Preprocessing, Data Modeling, Business Intelligence, Data Visualization Software, Data Quality, Data Import/Export, Data Analysis, Analytics
★ 4.2 (14) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Power BI, Data Visualization, Data Analysis Expressions (DAX), Matplotlib, Plotly, Data Analysis, Exploratory Data Analysis, Seaborn, SQL, Pandas (Python Package), Probability & Statistics, Regression Analysis, Machine Learning, Statistical Hypothesis Testing, Python Programming, Data Transformation, Feature Engineering, Data Integration, NumPy, Web Scraping
★ 4.6 (58) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Data Modeling, Star Schema, Database Design, Data Security, Data Visualization Software, Spreadsheet Software, Performance Tuning, Data Access, Performance Improvement, Model Optimization, Data Manipulation
★ 4.9 (9) · Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, Data Access, Data Sharing, Web Applications, Data Mining, Interoperability, Software Architecture, Data Architecture, Data Modeling
★ 4.1 (94) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Relational Databases, SQL, Star Schema, PostgreSQL, Database Design, Database Theory, Database Development, Query Languages, Databases, Data Import/Export, Database Systems, Analytics, Database Management, Statistical Programming, Operational Databases, Data Manipulation, Data Modeling, Business Analytics, Data Warehousing, Data Analysis
Intermediate · Course · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Social Media Analytics, Analytical Skills, Data Ethics, Predictive Modeling, Model Evaluation, Unsupervised Learning, Natural Language Processing, Predictive Analytics, Regression Analysis, Data Mining, Data Science, Social Media, Text Mining, Anomaly Detection, Business Analytics, Decision Tree Learning, Big Data, Analytics, Supervised Learning, Cloud Computing
★ 4.3 (264) · Beginner · Specialization · 3 - 6 Months

Campus BBVA
Skills you'll gain: Incident Response, Incident Management, Crisis Management, Security Information and Event Management (SIEM), Security Management, Data Security, Cybersecurity, Cyber Attacks, Event Monitoring, AI Security, Data Processing, Security Awareness, Anomaly Detection, Data Science, Authentications, Time Series Analysis and Forecasting
★ 4.7 (349) · Intermediate · Course · 1 - 3 Months

Chegg Skills
Skills you'll gain: Prompt Engineering, Business Analytics, Analytics, Responsible AI, Decision Support Systems, Data Literacy, Business Intelligence, Data Storytelling, Data Ethics, Data Analysis, Data Visualization, Predictive Analytics, Decision Making, Business Reporting, Trend Analysis, Artificial Intelligence, Generative AI, Problem Solving, Statistical Analysis, Microsoft Excel
Beginner · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Data Mining, Text Mining, Unstructured Data, Data Analysis, Exploratory Data Analysis, Data Visualization, Data Preprocessing, Data Presentation, Data Visualization Software, Model Evaluation, Natural Language Processing, Technical Writing, Algorithms
★ 4.5 (51) · Mixed · Course · 1 - 3 Months