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.

Rice University
Skills you'll gain: Data Visualization Software, Plot (Graphics), Package and Software Management, Python Programming, Data Cleansing, Data Mapping, Code Reusability, Software Installation, Data Processing, Data Integration, Data Import/Export, Program Development, Data Structures, Software Documentation
★ 4.6 (549) · Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Data Integration, Health Informatics, Data Dictionary, Health Systems, Metadata Management, Health Care, Data Mapping, Healthcare Industry Knowledge, Value-Based Care, Health Information Management, Taxonomy, Care Coordination, Health Policy, Data Literacy, Clinical Data Management, Clinical Informatics, ICD Coding (ICD-9/ICD-10), Health Care Procedure and Regulation, Data Quality, Medical Terminology
★ 4.4 (135) · Intermediate · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Data Literacy, Data-Driven Decision-Making, Case Studies, Strategic Decision-Making, Data Strategy, Leadership Studies, Decision Making, Data Quality, Business Leadership, Crisis Management, Critical Thinking, Leadership, Organizational Effectiveness, Digital Analysis, Business Transformation, Storytelling, Leadership Development, Agile Methodology, Strategic Leadership, Leadership and Management
★ 4.7 (152) · Intermediate · Specialization · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Data Lakes, Data Visualization, Data Architecture, Amazon Web Services, Interactive Data Visualization, Data Engineering, Data Infrastructure, Data Warehousing, Data Processing, Data Access, Query Languages, Data Management, Data Transformation, Data Governance, Data Import/Export, Data Storage, Data Sharing, Data Science, Machine Learning
★ 4.7 (311) · Beginner · Course · 1 - 3 Months

Alberta Machine Intelligence Institute
Skills you'll gain: Feature Engineering, Data Preprocessing, Model Evaluation, Data Quality, Model Training, Data Validation, Data Cleansing, Data Transformation, Verification And Validation, Applied Machine Learning, Machine Learning, Responsible AI, Machine Learning Algorithms, Algorithms, Python Programming, Computer Programming, Linear Algebra, Statistical Analysis
★ 4.4 (98) · Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Data Visualization Software, Data Visualization, Data Storytelling, Interactive Data Visualization, Plot (Graphics), Plotly, Matplotlib, Data Presentation, Dashboard, Dashboard Creation, Seaborn, Tableau Software, Scatter Plots, Histogram, Google Sheets, Microsoft Excel, Data Analysis, Python Programming, Cloud Applications, Business Communication
★ 4.2 (27) · Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Jupyter, Programming Principles, Computer Programming Tools, Computer Programming, Python Programming, Software Installation, Data Structures, Data Science
★ 4.4 (30) · Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Plotly, PyTorch (Machine Learning Library), NumPy, Matplotlib, Pandas (Python Package), Plot (Graphics), Data Visualization Software, Interactive Data Visualization, Machine Learning Methods, Python Programming, Applied Machine Learning, Scatter Plots, Numerical Analysis, Data Manipulation, Deep Learning, Image Analysis, Linear Algebra, Data Wrangling
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Probability, Statistical Hypothesis Testing, Statistical Inference, Probability & Statistics, Statistical Methods, Probability Distribution, Statistics, Bayesian Statistics, Statistical Analysis, Sampling (Statistics), Applied Mathematics, Data Ethics, Data Analysis, Correlation Analysis, Data Science, Sample Size Determination, Artificial Intelligence
★ 4.4 (360) · Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: File I/O, Development Environment, Data Access, Data Structures, File Management, Data Storage, Scripting, Python Programming, Integrated Development Environments, Debugging
★ 4.7 (1.1K) · Beginner · Course · 1 - 4 Weeks

Tableau Learning Partner
Skills you'll gain: Tableau Software, Data Visualization Software, Business Analytics, Business Intelligence, Data Preprocessing, Data Integration, Data Cleansing, Performance Tuning
★ 4.8 (320) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Data Import/Export, R (Software), Data Wrangling, R Programming, Data Manipulation, Data Analysis, Ggplot2, Relational Databases, Data Transformation, Data Cleansing, Programming Principles
★ 4.1 (13) · Beginner · Course · 1 - 3 Months