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: Community Organizing, Compassion, Community Development, Community Outreach, Social Impact, Needs Assessment, Program Evaluation, Empathy, Education and Training, Data Mapping, Initiative and Leadership, Empowerment, Curriculum Planning, Working With Children, Collaboration, Planning, Driving engagement, Environmental Issue
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, Node.JS, Full-Stack Web Development, HTML and CSS, JavaScript Frameworks, User Interface (UI), Application Deployment, Application Frameworks, Back-End Web Development, Frontend Integration, Front-End Web Development, Hypertext Markup Language (HTML), MongoDB, User Interface (UI) Design, Secure Coding, Middleware, Bootstrap (Front-End Framework), jQuery, Javascript, Cascading Style Sheets (CSS)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: AI Security, AI Integrations, Agentic Workflows, Responsible AI, Authorization (Computing), JSON, Agentic systems, Context Management, Requirements Elicitation
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: AI Security, Responsible AI, Incident Response, Computer Security Incident Management, Threat Modeling, Security Testing, Cybersecurity, MLOps (Machine Learning Operations), Security Strategy, DevSecOps, Identity and Access Management, Cloud Security, Vulnerability Assessments, Hardening, Threat Detection, Artificial Intelligence, Model Deployment, Penetration Testing, Machine Learning, Anomaly Detection
Intermediate · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: File I/O, Data Structures, Python Programming, JSON, File Management, Scripting, Scripting Languages, Data Import/Export, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Personalization, Personalized Campaigns, Marketing Strategies, Email Marketing, Data-Driven Marketing, Growth Strategies, Marketing Automation, Marketing Effectiveness, Strategic Marketing, AI Enablement, Marketing Analytics, Email Automation, Driving engagement, Data Ethics, Customer Engagement, Lead Generation, Customer experience improvement, Customer Insights, Customer Retention, Responsible AI
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Disaster Recovery, Security Management, System Monitoring, Cyber Security Policies, Enterprise Security, Systems Administration, Operating System Administration, Security Architecture Review, Security Controls, Patch Management, Continuous Monitoring, Data Maintenance, Information Systems Security, Unix, Data Integrity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Active Directory, Regulatory Compliance, Microsoft Azure, AI Security, Security Controls, Identity and Access Management, Generative AI, Cloud Security, Data Governance, Authentications, Role-Based Access Control (RBAC), Data Security, Threat Detection, Multi-Factor Authentication
Beginner · Course · 1 - 3 Months

Harvard Business Review
Skills you'll gain: Budget Management, Financial Statements, Business Planning, Generative AI, Strategic Thinking, Financial Statement Analysis, Critical Thinking, Plan Execution, Financial Acumen, Business Acumen, Prompt Engineering, Financial Management, Budgeting, Strategic Decision-Making, Responsible AI, Organizational Strategy, Strategic Leadership, Data-Driven Decision-Making, Business Modeling, Digital Transformation
Intermediate · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Music Theory, Music, Open Source Technology, Media Production, Musical Composition, Digital Signal Processing, Music History, Electronic Hardware, Electronic Components, Post-Production, Electronics, Digital Communications, Electronic Systems, Aesthetics, Hardware Design, Multimedia, Collaborative Software, Patch Management, Embedded Systems, System Configuration
Intermediate · Specialization · 3 - 6 Months

Ball State University
Skills you'll gain: Program Development, Data Analysis, Programming Principles, Statistical Analysis, Computer Programming, Analytics, Python Programming, Natural Language Processing, Computer Science, Text Mining, NumPy, Data Processing, Code Reusability, Mathematical Software, Debugging, Computational Logic, Data Manipulation
Build toward a degree
Beginner · Course · 1 - 3 Months

Duke University
Skills you'll gain: Cloud Deployment, Cloud-Native Computing, Cloud Platforms, Application Deployment, Microservices, Cloud Computing, DevOps, Kubernetes, Cloud Management, Continuous Delivery, Containerization, Amazon Web Services, Serverless Computing, Virtual Machines, Performance Testing, Virtualization and Virtual Machines, System Monitoring, Flask (Web Framework), Performance Stress Testing, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks