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.

University of London
Skills you'll gain: Data Literacy, Unsupervised Learning, Data Science, Applied Machine Learning, Data Analysis, Machine Learning, Big Data
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java, Algorithms, Object Oriented Programming (OOP), Software Design, Theoretical Computer Science, Network Routing, Computational Thinking, Application Development
Intermediate · Course · 1 - 3 Months

Maven Analytics
Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, Power BI, Deep Learning, Excel Formulas, Analytics, Google Sheets, AI Enablement, Microsoft Excel, Artificial Intelligence, Data Analysis, Python Programming, SQL, Data Literacy, Query Languages, Business Intelligence, Data Science, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Analysis, Microsoft Excel, IBM Cognos Analytics, Dashboard, Data Mining, Exploratory Data Analysis, Spreadsheet Software, Data Visualization Software, Pivot Tables And Charts, Data Collection, Data Cleansing, Data Import/Export
Beginner · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: digital literacy, Systems Development, Data Security, System Design and Implementation, Data Ethics, Cybersecurity, Safety and Security, Information Technology, Information Privacy, Computer Literacy, Software Development Tools, Technology Strategies
Beginner · Course · 1 - 4 Weeks

Clemson University
Skills you'll gain: Data Ethics, Data Science, Model Evaluation, Regression Analysis, Data Visualization, Keras (Neural Network Library), Matplotlib, Dimensionality Reduction, Data Analysis, Tensorflow, Data Cleansing, Data Preprocessing, Convolutional Neural Networks, Artificial Neural Networks, Data-Driven Decision-Making, Statistical Analysis, Scikit Learn (Machine Learning Library), Unsupervised Learning, Machine Learning Algorithms, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, IBM Cognos Analytics, Database Design, Data Transformation, Star Schema, Data Modeling, MySQL, Dashboard, Data Architecture, Data Pipelines, PostgreSQL, IT Automation
Intermediate · Course · 1 - 3 Months

Tsinghua University
Skills you'll gain: Data Structures, Algorithms, Graph Theory, Computational Thinking, Programming Principles, Database Design, Query Languages, Performance Tuning, Computer Programming, Computer Science
Intermediate · Specialization · 3 - 6 Months

Unilever
Skills you'll gain: Data Governance, Data Storytelling, Presentations, Data Visualization, Supply Chain, Data Management, Supply Chain Management, Data Analysis, Data Visualization Software, Data Quality, Analytical Skills, Data Cleansing, Data Collection, Google Sheets, Spreadsheet Software, Pivot Tables And Charts, Exploratory Data Analysis, Data Validation, Risk Management, Problem Solving
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Star Schema, Data Analysis Expressions (DAX), Power BI, Data Modeling, Database Design, Performance Tuning, Data Integration, Data Analysis, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Data Pipelines, Data Transformation, Data Integration, Data Processing, Extract, Transform, Load, Power BI, Data Lakes, PySpark, Apache Spark, Data Quality, Data Governance, Analytics
Intermediate · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Inference, Statistical Methods, Probability & Statistics, Statistics, Statistical Modeling, Probability, Probability Distribution, Data Analysis, R Programming, Regression Analysis, R (Software), Microsoft Excel, Analytical Skills, Statistical Visualization, Predictive Modeling, Data Visualization, Data Modeling
Intermediate · Course · 1 - 4 Weeks