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.

Skills you'll gain: Descriptive Statistics, Data Analysis, Exploratory Data Analysis, Quantitative Research, R Programming, Statistical Analysis, Histogram, R (Software), Statistical Methods, Statistical Programming, Probability & Statistics, Descriptive Analytics, Statistics, Statistical Software, Data Science
Beginner · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Mathematical Modeling, Systems Thinking, Strategic Decision-Making, Innovation, Diversity Awareness, Social Sciences, Predictive Modeling, Strategic Thinking, Decision Making, Complex Problem Solving, Critical Thinking, Network Analysis, Economics, Economic Development, Probability, Market Dynamics, Coordination
Intermediate · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: Computational Logic, Machine Learning Algorithms, Classification Algorithms, Natural Language Processing, Artificial Intelligence, Agentic systems, AI literacy, Machine Learning Methods, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Decision Support Systems, Bayesian Network, Complex Problem Solving, Probability & Statistics, Algorithms
Build toward a degree
Mixed · Course · 3 - 6 Months

Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Modeling, Excel Macros, Financial Analysis, Pivot Tables And Charts, Bookkeeping, Data Integrity, Excel Formulas, Trend Analysis, Balance Sheet, Reconciliation, Financial Data, Data Validation, Ledgers (Accounting), Data Quality, Spreadsheet Software, Microsoft Excel, Data Cleansing, Automation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Cleansing, Rmarkdown, Data Presentation, Data Visualization, Analytical Skills, Tableau Software, Dashboard, Stakeholder Communications, Dashboard Creation, Data Literacy, Data Integrity, Case Studies, Interactive Data Visualization, Data Analysis, Spreadsheet Software, Data Ethics, Ggplot2, Data Validation, Database Management
Beginner · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Microbiology, Physiology, Epidemiology, Life Sciences, Big Data, Data Analysis, Medical Science and Research, Immunology, Molecular Biology, Nutrition and Diet, Biology, Metadata Management, Specimen Collection, Taxonomy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Frontend Performance, Javascript, Data Structures, Software Installation, Data Mapping, Maintainability, Functional Testing
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Excel Macros, Programming Principles, Visual Basic (Programming Language), Data Import/Export, Object Oriented Programming (OOP), Microsoft Excel, Problem Solving, Computer Programming, Simulations, Debugging, Data Cleansing, Code Reusability, Spreadsheet Software, Algorithms, UI Components, User Interface (UI), Data Management, File I/O, Automation, Data Integration
Beginner · Specialization · 3 - 6 Months

Macquarie University
Skills you'll gain: Governance, Data Presentation, Management Accounting, Data Storytelling, Budgeting, Marketing Analytics, Capital Budgeting, Financial Modeling, Financial Data, Data Ethics, SAS (Software), Business Analytics, Financial Management, Customer Analysis, Customer Insights, Digital Media Strategy, Corporate Finance, Business Valuation, Financial Analysis, Data Visualization
Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Public Key Cryptography Standards (PKCS), Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Data Storage, Process Analysis, Distributed Computing, Emerging Technologies, Scripting, Application Specific Integrated Circuits, Financial Policy, Financial Regulation
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Market Share, Market Analysis, Data Visualization, Competitive Analysis, Data Presentation, Market Intelligence, Market Data, Market Research, Competitive Intelligence, Data Storytelling, Market Opportunities, Data-Driven Decision-Making, Strategic Thinking, Strategic Decision-Making, Risk Management Framework, Regulatory Compliance, Trend Analysis, Business Risk Management, Risk Analysis, Due Diligence
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Angular, HTML and CSS, Data Structures, Spring Boot, Eclipse (Software), Restful API, Java Programming, JavaScript Frameworks, Object Oriented Programming (OOP), Model View Controller, Software Development Tools, Hypertext Markup Language (HTML), Java, Computer Programming Tools, Application Frameworks, Front-End Web Development, Spring Framework, Object Oriented Design, Cascading Style Sheets (CSS), Javascript
Intermediate · Specialization · 1 - 3 Months