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.

Coursera
Skills you'll gain: Data Storytelling, Infographics, Data Visualization, Visual Storytelling, Storytelling, Diagram Design, Data Analysis, Graphic and Visual Design
★ 4.9 (9) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Marketing Analytics, Digital Marketing, Google Analytics, Brand Awareness, Social Media Marketing, Content Marketing, Digital Advertising, Marketing Effectiveness, Brand Strategy, Email Marketing, Performance Measurement, Brand Management, Brand Marketing, Marketing Channel, Marketing, Marketing Budgets, Search Engine Optimization, AI Enablement, Communication, Generative AI
Intermediate · Specialization · 3 - 6 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Digital Signal Processing, Digital Communications, Communication Systems, Image Analysis, Telecommunications, Electrical Engineering, Electrical and Computer Engineering, Electronics Engineering, Embedded Systems, Electronic Hardware, Electronics, Numerical Analysis, Systems Analysis, Algorithms, Linear Algebra, Mathematical Modeling, Jupyter
★ 4.5 (812) · Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Bayesian Network, Bayesian Statistics, Reinforcement Learning, Probability, Probability & Statistics, Decision Intelligence, Probability Distribution, Markov Model, Agentic systems, Artificial Intelligence, Machine Learning Methods, Statistical Inference, Applied Machine Learning, Statistical Machine Learning, Time Series Analysis and Forecasting, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Content Scheduling, Adobe Express, Personalized Campaigns, Data-Driven Marketing, Content Creation, Social Media Content, Multimedia, Cross-Channel Marketing, Marketing Channel, Content Marketing, Web Content, Marketing Strategies, Social Media Marketing, Marketing Design, Digital Media Strategy, Storytelling, Infographics, Graphic and Visual Design, Video Production, Design Elements And Principles
★ 4.7 (564) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Sampling (Statistics), Matplotlib, Data Analysis, Machine Learning Algorithms, Data Mining, Statistical Analysis, Statistical Hypothesis Testing, Plot (Graphics), Probability & Statistics, NumPy, Pandas (Python Package), Probability Distribution, Dimensionality Reduction, Model Evaluation, R Programming, Python Programming, Data Preprocessing, Applied Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.6 (19) · Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Web Development Tools, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
★ 4.6 (847) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Variance Analysis, Cost Control, Cost Accounting, Cost Management, Operating Cost, Operational Efficiency, Management Accounting, Financial Data, Performance Analysis, Standard Accounting Practices, Cost Estimation, Performance Measurement, Budgeting
Mixed · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Systems Thinking, Systems Engineering, Systems Analysis, Critical Thinking and Problem Solving, Network Model
★ 4.7 (1.4K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Database Management, Stored Procedure, Database Design, Database Management Systems, Relational Databases, SQL, Database Development, Database Administration, Query Languages, Data Management, Data Integrity, Data Maintenance, Data Entry
★ 4.8 (565) · Beginner · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Critical Thinking, digital literacy, Information Management, Digital Communications, Personal Integrity, Data Sharing, Professionalism, Data Ethics, Organizational Skills, Ethical Standards And Conduct
★ 4.9 (4.8K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Make.com, AI Workflows, Business Workflow Analysis, Workflow Management, No-Code Development, Email Automation, Agentic Workflows, AI Security, Decision Intelligence, AI Orchestration, Process Analysis, Process Mapping, Generative AI Agents, Process Design, AI Integrations, Microsoft Power Automate/Flow, Productivity Software, Calendar Management, Responsible AI, Development Testing
Beginner · Course · 1 - 4 Weeks