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: Fraud detection, Web Services, Simple Object Access Protocol (SOAP), Test Tools, API Testing, Service Design, Verification And Validation, Process Design, API Design, Workflow Management, System Testing, Extensible Markup Language (XML), Data Validation, Project Design, Business Logic
Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Search Engine Marketing, Search Engine Optimization, Web Analytics and SEO, Digital Marketing, Keyword Research, Online Advertising, Return On Investment, Media Planning, Consumer Behaviour, Cross-Channel Marketing, Marketing, Digital Media Strategy, Digital Advertising, Digital Marketing Tools, Digital Marketing Campaigns, Digital Brand Strategy, Marketing Channel, Social Media Marketing, Marketing Budgets, Business Analysis
★ 4.8 (16) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Model Training, Failure Analysis, Deep Learning, AI Workflows, Applied Machine Learning, Data Pipelines, Performance Metric, Scripting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Financial Forecasting, Model Deployment, Forecasting, Financial Data, Decision Intelligence, Responsible AI, Generative AI, AI Integrations, Financial Management, Market Intelligence, Data-Driven Decision-Making, General Finance, Financial Planning, Market Research, Artificial Intelligence, Market Analysis, Data Quality
★ 4.1 (17) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: MarTech, Marketing, Digital Marketing Tools, Product Promotion, Promotional Strategies, Marketing Strategies, Marketing Strategy and Techniques, Strategic Marketing, Market Dynamics, Marketing Channel, Product Development, Digital Marketing, Digital Transformation, Consumer Behaviour, New Product Development, Customer Engagement, E-Commerce, Innovation, Empowerment
★ 4.6 (18) · Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Generative AI, Content Marketing, Marketing, ChatGPT, Content Creation, AI Personalization, Strategic Marketing, Persona Development, Digital Marketing, Web Analytics and SEO, Artificial Intelligence and Machine Learning (AI/ML), Social Media Campaigns, Automation, Creativity, Ethical Standards And Conduct, Graphic and Visual Design, Analytics, Natural Language Processing, Personal Development
★ 4.7 (7) · Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Apache Kafka, Data Pipelines, Distributed Computing, Live Streaming, Network Monitoring
★ 4.2 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering Tools, Generative AI, AI Enablement, Performance Analysis, Strategic Leadership, AI literacy, Performance Measurement, Initiative and Leadership, LLM Application, Branding, AI powered creativity, Prompt Patterns, Leadership, Cybersecurity, Strategic Thinking, Decision Intelligence, Computer Security Awareness Training, Prompt Engineering, AI Personalization, Business
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, Object Oriented Programming (OOP), Object Oriented Design, Web Design and Development, Application Frameworks, Frontend Integration, Programming Principles, API Design, Middleware, Object-Relational Mapping, Model View Controller, Event-Driven Programming, User Interface (UI), Cascading Style Sheets (CSS), Maintainability
★ 4.2 (49) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Animations, Graphic Design, Graphic and Visual Design Software, Graphic and Visual Design, Content Creation, Digital Publishing, Multimedia, Video Production, Media Production, Data Sharing, Marketing
★ 4.5 (75) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: MySQL Workbench, MySQL, Database Development, Database Management, Databases, Database Management Systems, Relational Databases, Management Information Systems, SQL
★ 4.4 (32) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Legal Technology, Data Ethics, Responsible AI, Legal Strategy, Legal Research, Generative AI, Generative AI Agents, Case Law, Regulation and Legal Compliance, Artificial Intelligence, Legal Writing, Ethical Standards And Conduct, AI Integrations, Automation
★ 4.6 (33) · Beginner · Course · 1 - 3 Months