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.

DeepLearning.AI
Skills you'll gain: LLM Application, Test Case, Large Language Modeling, Code Reusability, Software Documentation, Prompt Engineering, Debugging, Software Testing
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: NoSQL, Data Warehousing, Database Management Systems, Database Systems, Database Architecture and Administration, Database Administration, Database Management, Databases, Database Software, Data Store, Relational Databases, Big Data, Data Architecture, Transaction Processing, Scalability
★ 4.7 (82) · Beginner · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Software Documentation, Object Oriented Design, Unified Modeling Language, Relational Databases, Object-Relational Mapping, Software Design, Test Driven Development (TDD), Database Management, Unit Testing, Object Oriented Programming (OOP), Database Design, Debugging, File I/O, Data Structures, Python Programming, JSON, Computer Programming, Programming Principles, Software Installation, Package and Software Management
★ 4.5 (2.3K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Ledgers (Accounting), Prompt Engineering, Tax Planning, Tax Management, Large Language Modeling, LLM Application, Auditing, Portfolio Risk, Portfolio Management, Tax Compliance, Generative AI, Cash Flow Forecasting, Fraud detection, Financial Forecasting, Financial Analysis, Responsible AI, Audit Planning, Financial Data, Artificial Intelligence, Risk Management
★ 4.3 (270) · Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, Responsible AI, Infrastructure as Code (IaC), Amazon CloudWatch, Application Deployment, Amazon Elastic Compute Cloud, CI/CD, AWS CloudFormation, Unit Testing, Continuous Deployment, Cloud Deployment, Amazon Web Services, DevOps, Devops Tools, DevSecOps, Code Review, Serverless Computing, Containerization, Data Analysis
★ 4.6 (51) · Beginner · Specialization · 1 - 3 Months

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, IT Security Architecture, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Threat Management, Cloud Services, Data Security, Network Planning And Design, Firewall, Cloud Security, OSI Models, Network Protocols, Network Model
★ 4.7 (249) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Billing, Patient Registration, Revenue Cycle Management, Billing, Health Systems, Healthcare Industry Knowledge, Health Care, Insurance, Administration
★ 4.6 (155) · Beginner · Course · 1 - 3 Months

Skills you'll gain: NSX-T Network Virtualization, Virtual Networking, Virtualization, Network Architecture, Disaster Recovery, Software-Defined Networking, Network Security, IT Automation, Software-Defined Data Center (SDDC), Firewall, Security Controls, Information Technology Operations, Network Routing, Digital Transformation, Hybrid Cloud Computing
★ 4.7 (464) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Google Ads, Campaign Planning, Online Advertising, Search Engine Marketing, Campaign Management, Keyword Research, Marketing Budgets, Advertising Campaigns, Advertising, Pay Per Click Advertising, Marketing, Bidding, Digital Marketing, Paid media, Budget Management
★ 4.6 (725) · Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: ChatGPT, Generative AI, AI literacy, LLM Application, Large Language Modeling, Responsible AI, AI Integrations, Artificial Intelligence, Natural Language Processing, Economics, Policy, and Social Studies, Law, Regulation, and Compliance, Regulation and Legal Compliance, Ethical Standards And Conduct, Intellectual Property
★ 4.3 (6) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard Creation, Google Sheets, Spreadsheet Software, Pivot Tables And Charts, Data Visualization, Data Analysis, Data Cleansing
★ 4.6 (649) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Ethics, Generative AI Agents, Generative AI, Software Design Documents, Software Design, AI Integrations, Software Architecture, Agentic Workflows, Continuous Integration, Software Development, Prompt Patterns, LLM Application, Application Security, Software Engineering, Code Review, Debugging, DevSecOps
★ 4.5 (249) · Intermediate · Course · 1 - 3 Months