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.

University of Virginia
Skills you'll gain: Design Thinking, Creative Problem-Solving, Ideation, Innovation, Market Opportunities, Creativity, Storytelling, Design Strategies, Strategic Thinking, Data Visualization, Test Tools, Entrepreneurship, Case Studies, Peer Review
★ 4.8 (112) · Beginner · Course · 1 - 3 Months

Banco Interamericano de Desarrollo
Skills you'll gain: Digital Transformation, Cybersecurity, Data Management, Big Data, Talent Management, Workforce Development, Human Capital, Infrastructure Security, Interoperability, Business Transformation, Technology Strategies, Analytics, Economics, Policy, and Social Studies, Data Security, Administration, Project Design, Public Policies, digital literacy, Process Improvement, Project Management
★ 4.8 (144) · Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: Encryption, Cryptography, Data Security, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Testing, Performance Stress Testing, Test Tools, Software Testing, API Testing, Application Performance Management, Test Planning, Test Script Development, Test Data, Configuration Management
★ 4.6 (82) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Root Cause Analysis, Data Ethics, Responsible AI, Retrieval-Augmented Generation, LLM Application, Operations Research, General Data Protection Regulation (GDPR), Regulatory Compliance, Strategic Decision-Making, Apache Kafka, Pareto Chart, Operational Analysis, Decision Intelligence, Stakeholder Communications, Revenue Management, Large Language Modeling, Real Time Data, Information Privacy, Statistical Inference, Reinforcement Learning
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Sales Strategy, Customer Analysis, AI Personalization, Sales, Personalized Campaigns, Generative AI, Customer Insights, Forecasting, Personalized Service, Data-Driven Decision-Making, Revenue Forecasting, Analytics, AI Integrations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Personalized Campaigns, Data-Driven Marketing, Cross-Channel Marketing, Marketing Channel, Content Marketing, Marketing Analytics, Data Ethics, Marketing Effectiveness, Campaign Management, Data-Driven Decision-Making, Marketing Strategies, Integrated Marketing Communications, Marketing Automation, Content Development and Management, Content Strategy, Content Performance Analysis, Adobe Express, AI Personalization, Social Media, Market Research
★ 4.7 (94) · Beginner · Course · 1 - 4 Weeks

MathWorks
Skills you'll gain: Simulation and Simulation Software, Control Systems, Model Based Systems Engineering, Simulations, Mathematical Modeling, Engineering Analysis, Data Import/Export, Systems Engineering, Model Optimization
★ 4.8 (59) · Beginner · Course · 1 - 4 Weeks
McMaster University
Skills you'll gain: Financial Policy, Loans, Finance, Risking, Credit Risk, General Finance, Financial Data, Financial Systems, Fiscal Management, General Lending, Lending and Underwriting, Consumer Lending, Corporate Finance, Financial Acumen, Financial Statements, Financial Analysis, Financial Statement Analysis, Commercial Lending, Economics, Case Studies
★ 4.7 (148) · Mixed · Course · 1 - 4 Weeks

Case Western Reserve University
Skills you'll gain: Geostatistics, Exploratory Data Analysis, Spatial Analysis, Spatial Data Analysis, Geospatial Information and Technology, Data Cleansing, Data Analysis, Statistical Modeling, Statistical Analysis, Oil and Gas, Statistical Reporting, Estimation, Simulations, Simulation and Simulation Software, Data Integration
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Brand Management, Branding, Marketing, Marketing Management, Customer Relationship Management, Customer Retention, Strategic Marketing, Consumer Behaviour, Marketing Strategy and Techniques, Brand Strategy, Customer Engagement, Customer Data Management, Market Dynamics, Target Market, Market Analysis, Data-Driven Marketing, Digital Media Strategy, Value Propositions
★ 4.8 (129) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Copilot, Microsoft 365, Personalized Campaigns, Sales Enablement, Marketing Automation, Marketing Operations, Customer experience improvement, Generative AI, Business Process Automation, Data-Driven Marketing, Campaign Management, AI Security, Sales Process, Sales Strategy, Customer Service, Business Metrics, AI Personalization, Customer Support, AI Integrations, Critical Thinking
★ 4.5 (39) · Beginner · Course · 1 - 4 Weeks