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 Colorado Boulder
Skills you'll gain: Database Design, Database Management Systems, Relational Databases, Database Theory, Database Systems, Databases, Database Management, Data Modeling, Diagram Design, Informatics, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Full-Stack Web Development, Node.JS, Frontend Integration, Cloud Deployment, Application Deployment, JavaScript Frameworks, Web Applications, Web Development, Angular, Cloud Applications, Memory Management, MongoDB, Authentications, Real Time Data, Frontend Performance, Database Development, Development Environment, API Design
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Music, Sensory Systems Analysis, Music Theory, Aesthetics, World Music, Cultural Diversity, Physiology, Biology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Oracle SQL Developer, Oracle Databases, Data Integrity, Business Logic, Stored Procedure, SQL, Business Process Automation, Data Persistence, Database Design, Database Development, Performance Tuning, Relational Databases, Dependency Analysis, Database Management, Database Management Systems, Computational Thinking, Database Application, Web Services, Data Access, Programming Principles
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Multi-Factor Authentication, Information Architecture, Security Controls, Vulnerability Scanning, Software Documentation, Authentications, ISO/IEC 27001, Penetration Testing, Vulnerability Assessments, Web Content Accessibility Guidelines, Auditing, Security Information and Event Management (SIEM), Data Security, Audit Planning, Enterprise Security, Single Sign-On (SSO), Security Assertion Markup Language (SAML), Maintainability, End User Training and Support, Control Panels
Intermediate · Specialization · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Amazon Bedrock, MLOps (Machine Learning Operations), Amazon Web Services, AWS SageMaker, AI Workflows, Retrieval-Augmented Generation, Shell Script, IT Automation, Unix Shell, Command-Line Interface, AI Integrations, AI Security, Prototyping, Large Language Modeling, Generative AI, Data Management, Anomaly Detection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Digital Marketing, Pay Per Click Advertising, Digital Marketing Campaigns, Online Advertising, Search Engine Optimization, Digital Advertising, Social Media Marketing, Social Media Campaigns, Marketing Effectiveness, Digital Analysis, Data-Driven Marketing, Social Media, Search Engine Marketing, Performance marketing, Marketing Strategies, Social Media Strategy, Return On Investment, Web Analytics and SEO, Paid media, Cross-Channel Marketing
Mixed · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Systems, Payroll Processing, Payroll Administration, Payroll Reporting, Payroll Tax, Data Entry, Workforce Management, Benefits Administration, Compensation Management, Personally Identifiable Information, Employee Onboarding, Reconciliation, Auditing, Accruals, Tax Compliance, Data Security
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: AI Security, Responsible AI, Data Governance, AWS Identity and Access Management (IAM), Cloud Security, AI Integrations, Amazon Web Services, Threat Modeling, Security Controls
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Prompt Engineering, Customer Retention, Customer Acquisition Management, Customer experience improvement, Responsible AI, Customer Service, Customer experience strategy (CX), Customer Success Management, Customer Engagement, Generative AI, Customer Support, Customer Analysis, AI Personalization, ChatGPT, Anthropic Claude, Artificial Intelligence, Business Process Automation, Data-Driven Decision-Making, Automation, Predictive Analytics
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Securities (Finance), Portfolio Risk, Financial Market, Market Data, Investments, Investment Management, Corporate Finance, Portfolio Management, Risk Management, Financial Analysis, Risk Analysis, Cash Flows
Mixed · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Internet Of Things, Application Programming Interface (API), TCP/IP, Web Services, Electronics, Control Systems, Embedded Systems, Network Protocols, USB, General Networking, Networking Hardware, Electronic Systems, Machine Controls, Hardware Design, Digital Signal Processing, Digital Communications, Computer Hardware, Python Programming
Mixed · Course · 1 - 4 Weeks