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.

CertNexus
Skills you'll gain: Customer experience improvement, Data Strategy, Data Modeling, Marketing Analytics, Customer Insights, Business Analytics, Business Intelligence, Marketing Strategies, Data Science, Operational Efficiency, Marketing, Data Ethics, Analytics, Customer Service, Big Data, Descriptive Analytics, Business Strategy, Data Collection, Predictive Analytics, Governance
Mixed · Course · 1 - 4 Weeks
Macquarie University
Skills you'll gain: Excel Formulas, Microsoft Excel, Excel Macros, Data Validation, Spreadsheet Software, Data Modeling, Financial Forecasting, Data Integrity, Business Modeling, Automation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, AI Product Strategy, Leadership and Management, AI Enablement, Business Leadership, Prompt Engineering, Content Creation, Business Transformation, New Business Development, Responsible AI
Beginner · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Data Preprocessing, Machine Learning, Artificial Intelligence, Model Evaluation, Data Analysis, Image Analysis, Data Collection, Classification Algorithms
Build toward a degree
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Spreadsheet Software, Data Management, Data Visualization Software, Data Entry, Data Cleansing, Data Validation, Data Import/Export, Problem Solving
Beginner · Course · 1 - 3 Months

Skills you'll gain: Natural Language Processing, Microsoft Azure, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Analytics, Automation, Application Development
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Calculus, Integral Calculus, Applied Mathematics, Graphing, Numerical Analysis, Python Programming, Advanced Mathematics, Mathematical Software, Mathematical Modeling, Derivatives, Programming Principles
Intermediate · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Scikit Learn (Machine Learning Library), Supervised Learning, Applied Machine Learning, Model Evaluation, Predictive Analytics, Feature Engineering, Classification And Regression Tree (CART), Machine Learning Algorithms, Predictive Modeling, Analytics, Decision Tree Learning, Machine Learning, Logistic Regression, Data Analysis, Classification Algorithms, Data Preprocessing, Python Programming
Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: File I/O, Matplotlib, Object Oriented Design, Java, Object Oriented Programming (OOP), Data Analysis, Unit Testing, Pandas (Python Package), Java Programming, Eclipse (Software), Application Development, Data Visualization, Data Structures, Data Science, Data Cleansing, Debugging, Programming Principles, Computer Programming Tools, Python Programming, Computer Programming
Beginner · Specialization · 3 - 6 Months

IESE Business School
Skills you'll gain: Value Propositions, Brand Management, Financial Statements, Marketing, Financial Statement Analysis, Leadership Development, Business Analytics, Marketing Strategies, Income Statement, Business Analysis, Strategic Marketing, Intercultural Competence, Financial Analysis, Accounting, Conflict Management, Financial Management, Financial Acumen, Financial Data, Leadership, Finance
Beginner · Specialization · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, FinTech, Ggplot2, Data Visualization Software, Plot (Graphics), Deep Learning, Data Modeling, R Programming, Market Data, Predictive Analytics, Analytics, Data Science, Data Analysis, Business Analytics, Data Processing, Data Manipulation, Machine Learning, Financial Market
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Model Evaluation, Predictive Modeling, Data Ethics, Algorithms, Machine Learning, Predictive Analytics, Responsible AI, Artificial Intelligence, Machine Learning Algorithms, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Ethical Standards And Conduct, Generative AI, Economics
Beginner · Course · 1 - 4 Weeks