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.

Dr. Jonathan Reichental
Skills you'll gain: Data Governance, Data Management, Governance, Data Ethics, Data Quality, Data Dictionary, Governance Risk Management and Compliance, Data Modeling, Data Integrity, Data Security, General Data Protection Regulation (GDPR), Responsible AI, Information Privacy, Risk Management, Data Transformation, Regulatory Compliance, Data Science, Data Pipelines, Cyber Security Policies, Cybersecurity
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Linear Algebra, Applied Mathematics, Data Science, Data Analysis, Data Modeling, Statistical Methods, Algebra, Numerical Analysis
★ 4.5 (189) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Analytics, Data Visualization, Business Analytics, Data Analysis, Interactive Data Visualization, Microsoft PowerPoint, Data Presentation, Presentations, Excel Formulas, Data-Driven Decision-Making, Dashboard, Data Storytelling, Dashboard Creation, Microsoft Excel, Customer Analysis, Data Visualization Software, Big Data, Target Market, Oral Expression, Data Cleansing
★ 4.6 (11K) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Data Visualization Software, Process Development, Tableau Software, Financial Modeling, Data Presentation, Dashboard Creation, Business Process, Peer Review, Presentations, Property Management, Data Analysis, MySQL, Revenue Management, Financial Data, Risk Analysis, Property and Real Estate, Real Estate, Financial Analysis, Microsoft Excel, SQL
★ 4.7 (245) · Mixed · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Personally Identifiable Information, Data Governance, Data Management, Information Privacy, Law, Regulation, and Compliance, Data Security, Compliance Management, General Data Protection Regulation (GDPR), Information Management, Regulatory Compliance, Incident Response, Data Sharing, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Regulation and Legal Compliance, Legal Risk, Financial Regulations, Cyber Security Policies, Regulatory Requirements, Financial Regulation, Cybersecurity
Beginner · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: File I/O, Java Programming, Eclipse (Software), Java, Debugging, Integrated Development Environments, Object Oriented Programming (OOP), Object Oriented Design, Data Structures, File Management, Development Environment, Programming Principles, Problem Solving
★ 4.6 (106) · Beginner · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Apache Spark, Apache Hadoop, Scala Programming, Distributed Computing, Big Data, Data Manipulation, Data Processing, Performance Tuning, Data Persistence, Data Transformation, SQL, Data Import/Export
★ 4.6 (2.6K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Data Processing, Real Time Data, Pandas (Python Package), File I/O, Data Transformation, Jupyter, SQL
★ 4 (44) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Data Presentation, Data Analysis
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Business Intelligence, Data Warehousing, Big Data, Databases, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, Cloud API, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation, Data Management
★ 4.7 (59) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Dashboard, Dashboard Creation, Power BI, Data Visualization, Data Transformation, Data Manipulation, Data Modeling, Data Presentation, Data Import/Export, Data Wrangling, Data Visualization Software, Data Analysis, Analytics, Data Cleansing, Data Security, Data Management
★ 4.3 (16) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computational Thinking, Algorithms, Programming Principles, Data Structures, Problem Solving, Javascript, Performance Tuning
Intermediate · Course · 1 - 3 Months