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 Colorado Boulder
Skills you'll gain: Process Capability, Correlation Analysis, R (Software), Probability Distribution, Statistical Visualization, Statistical Process Controls, Statistical Inference, Descriptive Statistics, R Programming, Data Analysis, Sampling (Statistics), Data Science, Statistics, Statistical Hypothesis Testing, Statistical Analysis, Data Analysis Software, Probability, Box Plots, Quality Improvement, Process Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: R Programming, Data Structures, Data Analysis, Integrated Development Environments, Data Science, Programming Principles, Data Import/Export, Web Scraping, Jupyter, Data Manipulation
Beginner · Course · 1 - 3 Months

Coursera
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Big Data, Analytics, Query Languages, Data Analysis, Data Mining, Data Manipulation, SQL, Data Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: AI Workflows, Agentic systems, AI Orchestration, AI Enablement, Advanced Analytics, Data Processing, Enterprise Architecture, Automation, Data Transformation, Artificial Intelligence, Continuous Improvement Process, Data Quality, Application Deployment, Scalability, Performance Tuning, Business Metrics, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Interactive Data Visualization, Pivot Tables And Charts, Data Visualization, Data Presentation, Data-Driven Decision-Making, Microsoft Excel, Correlation Analysis, Forecasting, Regression Analysis, Excel Formulas, Statistics, Statistical Hypothesis Testing, Descriptive Statistics, Data Analysis, Business Analytics, Statistical Inference, Box Plots, Statistical Analysis, Statistical Modeling, Statistical Visualization
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Data Storytelling, OpenAI, Analytics, Prompt Engineering Tools, Data Analysis, Dashboard, Data Ethics, Responsible AI, Data Visualization Software, Statistical Analysis, Python Programming, Data Cleansing, Data Manipulation, Query Languages
Intermediate · Course · 1 - 4 Weeks

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

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Image Analysis, Computer Vision, Real Time Data, Reinforcement Learning, Large Language Modeling, Advanced Analytics, Data-Driven Decision-Making, Machine Learning, Artificial Intelligence, Data Integration, Analysis, Predictive Analytics, Automation, Supervised Learning, Natural Language Processing, Data Presentation, Innovation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: C (Programming Language), Data Structures, Application Security, System Programming, Programming Principles, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

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 Expressions (DAX), Power BI, Business Intelligence, Data-Driven Decision-Making, Data Modeling, Database Design, Microsoft Power Platform, Snowflake Schema, Data Transformation, Extract, Transform, Load, Data Storytelling, Data Strategy, Data Integration, Data Cleansing, Process Improvement and Optimization, Data Analysis, Data Management, Data Governance, Data Quality, Relationship Management
Beginner · Course · 1 - 4 Weeks