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: Instagram, Email Marketing, Email Automation, Lead Generation, Marketing Automation, Make.com, Digital Marketing Tools, Google Sheets, Social Media, Gmail
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Restful API, ASP.NET, Microsoft SQL Servers, C# (Programming Language), Web Services, Database Management, Database Development, JSON, Back-End Web Development, SQL, Database Design, Server Side, .NET Framework, Object Oriented Programming (OOP), Application Programming Interface (API), API Design, Database Architecture and Administration, Programming Principles
★ 4.1 (14) · Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Social Determinants Of Health, Community Health, Product Development, Health Systems, Health Disparities, Business Modeling, Health Equity, Drive Engagement, Lean Six Sigma, Market Analysis, Performance Improvement, Process Improvement, Stakeholder Analysis, New Product Development, Innovation, Decision Making, Operations Management, Operations, Problem Solving, Leadership
★ 4.8 (10) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Digital Forensics, Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Risk Management, Cryptography, Cybersecurity, Risk Management Framework, Network Security, Incident Response, Threat Management, Cloud Security, Risk Analysis, Cryptographic Protocols, Cyber Attacks, Business Risk Management, Encryption, Cyber Security Policies, Cyber Threat Intelligence, Vulnerability Assessments
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Color Theory, Typography, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Web Design, HTML and CSS, Animations, Digital Design, Visual Design, User Interface (UI) Design, Usability, Visualization (Computer Graphics)
★ 4.6 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Graphic Design, Graphic and Visual Design, Color Theory, Design, Graphic and Visual Design Software, Creative Design, User Accounts, Digital Marketing
★ 4.1 (13) · Beginner · Guided Project · Less Than 2 Hours

University of Arizona
Skills you'll gain: Web Analytics, Search Engine Marketing, Pay Per Click Advertising, Data-Driven Marketing, User Experience Design, Google Ads, Search Engine Optimization, Digital Marketing, Digital Marketing Campaigns, Campaign Management, Content Marketing, Cross-Channel Marketing, Digital Brand Strategy, Keyword Research, Data-Driven Decision-Making, Marketing Analytics, Marketing Strategy and Techniques, Marketing Planning, Customer Engagement, Target Audience
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Javascript, Event-Driven Programming, Web Design and Development, Interactive Design, Web Applications, Interaction Design, Scripting, Web Development, Data Validation
★ 3.9 (28) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Incident Management, Cyber Threat Hunting, Microsoft Azure, Incident Response, Security Management, Cyber Threat Intelligence, Threat Detection, Security Information and Event Management (SIEM), AI Integrations, Data Integration, ChatGPT, Automation, Query Languages, Dashboard Creation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI literacy, Cybersecurity, Computer Security Awareness Training, AI Personalization, Incident Response, Mitigation
Beginner · Course · 1 - 4 Weeks

University of Science and Technology of China
Skills you'll gain: Productivity, Workflow Management, Productivity Software, Collaboration, Operational Efficiency, Process Design, Process Management, Teamwork, Knowledge Transfer, Collaborative Software, Process Optimization, Team Collaboration, Learning Strategies, Information Management, Data Sharing
★ 4 (10) · Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Presentations, Conflict Management, Team Motivation, Team Leadership, Stakeholder Management, Project Risk Management, Team Performance Management, Risk Management, Collaboration, Stakeholder Engagement, Organizational Leadership, Agile Project Management, Storytelling, Team Management, Project Management, Data Visualization, Motivational Skills, Visionary, Environmental Social And Corporate Governance (ESG), Goal Setting
Beginner · Specialization · 3 - 6 Months