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 Washington
Skills you'll gain: Big Data, Relational Databases, Database Systems, Dataflow, Databases, Data Science, Data Manipulation, Data Processing, NoSQL, Apache Spark, Distributed Computing, Apache Hadoop, SQL, Data Analysis, Query Languages, Cloud Computing, Scalability, Graph Theory, Python Programming, Algorithms
Mixed · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Business Intelligence, Data Analysis, Data Presentation, Business Analytics, Microsoft Office, Microsoft 365, Data Wrangling, Data Visualization, Productivity Software
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Dashboard, Data Visualization Software, Data Visualization, R Programming, Alteryx, Statistical Programming, Data Presentation, Interactive Data Visualization, Data Cleansing, Data Storytelling, Data Structures, Statistical Analysis, Workflow Management, Data Analysis, Scatter Plots, Data Preprocessing, Data Manipulation, Data Processing, Data Transformation
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Data Mining, Logistic Regression, Model Evaluation
Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Data Transformation, Microsoft Excel, Sampling (Statistics), Data Cleansing, Statistical Visualization, Data Analysis, Statistical Analysis, Data Integration, Data Import/Export, Microsoft Office, Microsoft 365, Productivity Software
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: MySQL, Bash (Scripting Language), Scripting, Database Management, Relational Databases, Command-Line Interface, SQL, Databases, Data Import/Export, Database Application, Data Pipelines, Data Manipulation, Python Programming, Linux
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Marketing Analytics, Marketing Effectiveness, A/B Testing, Target Audience, Marketing Strategies, Marketing, Marketing Channel, Marketing Budgets, Customer Insights, Sales Process, Regression Analysis, Forecasting, Data Analysis, Return On Investment
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Data Storytelling, Statistical Process Controls, Data Literacy, Process Mapping, Data Ethics, Data Presentation, Data-Driven Decision-Making, Data Collection, Process Improvement, Data Visualization Software, Business Process, Business Analytics, Tableau Software, Analytics, Data Analysis, Root Cause Analysis, Minitab, Lean Methodologies, Six Sigma Methodology, Process Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Performance Tuning
Intermediate · Course · 3 - 6 Months

Stanford University
Skills you'll gain: Descriptive Statistics, Statistics, Statistical Methods, Sampling (Statistics), Statistical Analysis, Data Analysis, Statistical Modeling, Statistical Hypothesis Testing, Regression Analysis, Statistical Inference, Probability, Exploratory Data Analysis, Quantitative Research, Probability Distribution
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Microsoft Excel, Data Security
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Apache Hadoop, Apache Hive, Big Data, Apache Spark, NoSQL, Data Management, Data Processing, Databases, SQL, Query Languages, Data Manipulation, Scripting Languages, Data Transformation, Distributed Computing
Intermediate · Course · 1 - 3 Months