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 Maryland, College Park
Skills you'll gain: Sampling (Statistics), Statistical Programming, Statistical Software, Data Analysis Software, Statistical Analysis, STATA (Software), Statistical Methods, R (Software), Statistical Modeling, Regression Analysis, Data Analysis, Logistic Regression
Mixed · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Matplotlib, Plot (Graphics), Data Visualization, Pandas (Python Package), NumPy, Data Analysis, Seaborn, Data Storytelling, Data Cleansing, Data Presentation, Data Analysis Software, Data Wrangling, Data Manipulation, Jupyter, Data Quality, Exploratory Data Analysis, Data Transformation, Statistical Methods, Statistical Analysis, Python Programming
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), User Centered Design, Data Presentation, Usability, Human Centered Design, Design Research, User Research, Graphic and Visual Design, Usability Testing, Quantitative Research, Design Elements And Principles
Build toward a degree
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Visualization, Data Presentation, Regression Analysis, Data Storytelling, Advanced Analytics, Statistical Analysis, Data Analysis, Statistical Modeling, Applied Machine Learning, Statistical Methods, Analytical Skills, Data Science, Exploratory Data Analysis, Predictive Modeling, Machine Learning Methods, Artificial Intelligence, Python Programming, AI literacy, Machine Learning, Portfolio Management
Advanced · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Clinical Data Management, Clinical Research, Data Quality, Health Informatics, Time Series Analysis and Forecasting, Data Cleansing, Data Analysis, Data Modeling, Data Science, Analytical Skills, Statistical Reporting, Data Preprocessing, Electronic Medical Record
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Claude Code, Infrastructure as Code (IaC), CI/CD, Bash (Scripting Language), PostgreSQL, Redis, Google Cloud Platform, Ubuntu, Agile Project Management, Continuous Integration, Prometheus (Software), Object Oriented Design, Data Pipelines, Linux Commands, SQL, Web Development Tools, Extract, Transform, Load, Amazon S3, Computational Logic, Software Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Business Analytics, Analytics, Data Quality, Data Integration, AI literacy, Data Ethics, Data Cleansing, Responsible AI, Artificial Intelligence, Data Analysis, LLM Application, Machine Learning
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Surveys, Survey Creation, Data Synthesis, Research Methodologies, Statistical Analysis, Data Analysis Software, Data Collection, Statistical Software, Interviewing Skills, Research Design, STATA (Software), R (Software), Data Integration, Data Validation, Data Ethics, Data Analysis, Statistical Programming, R Programming
Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Data Visualization, Data Visualization Software, Statistical Visualization, Data Presentation, Plot (Graphics), Data Storytelling, Tableau Software, Exploratory Data Analysis, Descriptive Statistics, Data Analysis, Descriptive Analytics, Data Mapping
Mixed · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geospatial Information and Technology, Geographic Information Systems, Geospatial Mapping, GIS Software, Database Management Systems, Big Data, Database Systems, Apache Hadoop, Data Modeling, PostgreSQL, Network Analysis
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Business Analysis, Data Analysis, Presentations, Data Visualization, Data Presentation, Microsoft PowerPoint, Google Sheets, Anthropic Claude, Microsoft Excel, Business Research, Generative AI, Microsoft Copilot, Business Reporting, ChatGPT, Performance Reporting, Data Cleansing, Google Workspace, Stakeholder Communications, Financial Reporting, Visual Design
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Unsupervised Learning, Data Mining, Applied Machine Learning, Machine Learning Algorithms, Spatial Analysis, Machine Learning Methods, Model Evaluation, Statistical Methods, Taxonomy, Exploratory Data Analysis, Algorithms, Verification And Validation
Mixed · Course · 1 - 3 Months