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, 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
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks

Technics Publications
Skills you'll gain: Data Modeling, Database Design, Network Model, Data Architecture, Database Development, Data Strategy, Database Software, Database Theory, Databases, Database Application, Database Administration, Relational Databases, Database Systems, Database Management Systems, Data Governance, Database Architecture and Administration, Database Management, Business Analysis, Graph Theory, Business Analytics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Probability & Statistics, Statistics, Data Analysis, Statistical Analysis, Regression Analysis, Statistical Methods, Probability, Data Science, Statistical Modeling, Data-Driven Decision-Making, Bayesian Statistics, Classification And Regression Tree (CART), Statistical Machine Learning, Statistical Inference, Probability Distribution, Predictive Analytics, Applied Machine Learning, Correlation Analysis, Predictive Modeling, Data Preprocessing
★ 4.8 (11) · Intermediate · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Exploratory Data Analysis, Data Cleansing, Statistical Visualization, Plot (Graphics), Statistical Modeling, Data Visualization, Statistics, R (Software), Data Analysis, Statistical Software, Probability & Statistics, Statistical Inference, R Programming, Descriptive Statistics, Data Preprocessing, Box Plots, Data Visualization Software, Histogram, Probability, Probability Distribution
★ 4.6 (9) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Data Storytelling, Revenue Recognition, Data Presentation, Data Visualization, Business Workflow Analysis, Accrual Accounting, Financial Statements, Accruals, Storytelling, Cash Flows, Accounting, Financial Statement Analysis, Business Analytics, Financial Accounting, Business Analysis, Big Data, Asset Management, Analytics, Data Analysis, Intellectual Property
★ 4.7 (6.4K) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Data Warehousing, Database Design, Data Integration, Extract, Transform, Load, Data Modeling, Relational Databases, Data Architecture, Business Intelligence, SQL, Pivot Tables And Charts, PostgreSQL
★ 4.4 (1.1K) · Mixed · Course · 1 - 3 Months

Technics Publications
Skills you'll gain: Data Modeling, Database Design, Data Architecture, Relational Databases, Database Management Systems, Data Engineering, Data Strategy, Database Software, Database Development, Database Theory, Graph Theory, Database Administration, Database Architecture and Administration, Database Management, Databases, Database Systems, Data Governance, Business Analysis, Document Management, Business Analytics
Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Data Manipulation, Data Presentation, Dashboard Creation, Statistical Reporting, Data Wrangling, Dashboard, Data Cleansing, R Programming, Tidyverse (R Package), Data Preprocessing, Data Import/Export, Graphing
★ 5 (37) · Mixed · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Matplotlib, Data Analysis, Pandas (Python Package), Data Visualization, Data Science, Data Cleansing, Pivot Tables And Charts, Data Visualization Software, Data Processing, Data Wrangling, Data Integration, Data Preprocessing, Data Manipulation, Scatter Plots, NumPy, Data Quality, Exploratory Data Analysis, Data Import/Export, Histogram, Python Programming
★ 4.5 (431) · Beginner · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Data Visualization, Feature Engineering, Unsupervised Learning, Scientific Visualization, Data Ethics, Data Presentation, Statistical Visualization, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Science, Model Evaluation, Machine Learning Methods, R Programming, Data Analysis, Model Training, SQL, Python Programming
★ 4.2 (924) · Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Analytical Skills, Data Ethics, Data Mining, Data Science, Business Analytics, Big Data, Analytics, Descriptive Analytics, Data Analysis Software, Predictive Analytics, Small Data
★ 4.2 (158) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Statistical Reporting, Data Analysis, Data Presentation, Team Management, Analytical Skills, Presentations, Team Leadership, People Management, Statistical Inference, Statistical Modeling, Statistical Methods, Data Collection, Communication
★ 4.6 (3.4K) · Mixed · Course · 1 - 4 Weeks