Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Skills you'll gain: Relational Databases, Database Design, Transact-SQL, Data Visualization, Microsoft SQL Servers, Power BI, Databases, Database Management, Data Visualization Software, SQL, Data Preprocessing, Data Analysis Expressions (DAX), Data Management, Data Integrity, Data Modeling, Data Access, Data Manipulation, Data Transformation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Computational Thinking, Software Design, Algorithms, Program Development, Software Development, Data Structures, Problem Solving, Computer Science, Machine Learning Methods
Advanced · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Data Governance, Database Management, Database Systems, Databases, NoSQL, SQL, MongoDB, Relational Databases, Big Data, Graph Theory, Data Storage, Apache Hadoop, Data Manipulation
Build toward a degree
Mixed · Course · 1 - 3 Months

Ball State University
Skills you'll gain: Data Ethics, Graph Theory, Data Collection, Supervised Learning, Software Development Methodologies, File Systems, SQL, Financial Statement Analysis, Statistical Hypothesis Testing, Statistical Methods, Data Wrangling, Logistic Regression, SAS (Software), Object Oriented Programming (OOP), Spatial Analysis, Text Mining, Artificial Intelligence, Data Visualization, Natural Language Processing, R Programming
Earn a degree
Degree · 1 - 4 Years

University of Illinois Urbana-Champaign
Skills you'll gain: AI Personalization, Nutrition and Diet, Nutritional Assessment, Personalized Service, Clinical Nutrition, Medical Nutrition Therapy, Nutrition Education, Data Ethics, Data Collection, Patient Education And Counseling, Data Analysis, Clinical Research, Health Technology, Consumer Behaviour, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Data Visualization Software, Big Data, Apache Hadoop, Apache Spark, Apache Hive, Distributed Computing, Data Processing, Data Warehousing, Data Integration, Cloud Security, Cloud Technologies, Artificial Intelligence and Machine Learning (AI/ML), SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Javascript, Programming Principles, Computer Programming, Web Development, Application Development
Beginner · Guided Project · Less Than 2 Hours

University of California, Irvine
Skills you'll gain: Decision Support Systems, Database Design, Relational Databases, Database Management, Database Management Systems, SQL, Descriptive Statistics, Data Literacy, Statistics, Statistical Analysis, Business Intelligence, Microsoft Excel, Extract, Transform, Load, Data-Driven Decision-Making, Business Analytics, Data Manipulation, Data Science
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computational Thinking, Algorithms, Program Development, Software Development, Software Engineering, Programming Principles, Data Structures, Computer Programming, Javascript, Computer Science, Web Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Object Oriented Programming (OOP), C++ (Programming Language), Data Structures, Object Oriented Design, Software Design Patterns, Programming Principles, Data Persistence, Algorithms, Simulations
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Test Case, Data Validation, Verification And Validation, Scripting, Data Cleansing, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Anthropic Claude, Business Intelligence, Data Presentation, Data Visualization, Trend Analysis, Sales, Business Analytics, Sales Strategy, Data-Driven Decision-Making, Data Analysis, Business Strategy, Business Analysis, AI Enablement
Intermediate · Guided Project · Less Than 2 Hours