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.

Johns Hopkins University
Skills you'll gain: Email Security, Mobile Security, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Intrusion Detection and Prevention, Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cryptographic Protocols, Blockchain, Business Continuity Planning, Business Continuity, Cryptography, Disaster Recovery, Data Management, Digital Assets, Security Management, Vulnerability Assessments, Enterprise Security, Threat Modeling, Asset Protection, Vulnerability Management, Regulation and Legal Compliance, Data Security, Application Security, Application Frameworks, Network Security, Data Access
Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Intellectual Property, Media Production, Responsible AI, Large Language Modeling, Data Ethics, Media Strategy, Journalism, Media and Communications, AI literacy, Media Planning, Risking, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Innovation, Digital Transformation, Marketing Communications, Digital Advertising, Marketing, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon Redshift, Amazon Web Services, SQL, Data Warehousing, Cloud Services, Query Languages, Database Application, Data Management, Data Analysis
Beginner · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: LinkedIn, Applicant Tracking Systems, AI literacy, Prompt Engineering, Prompt Engineering Tools, Interviewing Skills, AI Personalization, Google Gemini, Job Analysis, ChatGPT, Content Optimization, Professional Networking, Professional Development, Generative AI, Responsible AI, Keyword Research, Personal Development, Writing and Editing, Negotiation, Organizational Skills
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Recognizing Others, People Development, Leadership Development, Management Training And Development, Professional Development, Team Motivation, Team Leadership, Team Building, Team Management, Self-Awareness, Emotional Intelligence, Motivational Skills, Employee Engagement, Timelines, Open Mindset, Storytelling, Mindfulness
Beginner · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Algorithms, Computational Thinking, Theoretical Computer Science, Computational Logic, Critical Thinking and Problem Solving, Computer Science, Data Structures, Critical Thinking, Classification Algorithms, Logical Reasoning, Graph Theory, Mathematical Theory & Analysis, Complex Problem Solving, Analysis, Game Theory
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Campaign Management, Digital Marketing Tools, Campaign Planning, Digital Marketing Campaigns, Marketing Effectiveness, Consumer Behaviour, Marketing Strategies, Key Performance Indicators (KPIs), Digital Marketing, Digital Brand Strategy, Customer Analysis, Marketing Analytics, Customer experience strategy (CX), Marketing Planning, Data-Driven Marketing, Performance Analysis, Strategic Marketing, Target Market, Digital Analysis, Marketing
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Node.JS, Authentications, Cloud Deployment, Middleware, MongoDB, Server Side, Back-End Web Development, Role-Based Access Control (RBAC), Application Deployment, Full-Stack Web Development, API Testing, Authorization (Computing), Redis, JavaScript Frameworks, JSON, Database Management, TypeScript, Javascript, Database Design, Debugging
Beginner · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: Interviewing Skills, Labor Compliance, Talent Recruitment, Recruitment, Law, Regulation, and Compliance, Diversity Training, Talent Acquisition, Diversity Equity and Inclusion Initiatives, Human Resource Management, Labor Law, Workplace inclusivity, Recruitment Strategies, Professionalism, Record Keeping, Data-Driven Decision-Making, Decision Making
Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Wireless Networks, Mobile Security, General Networking, Proxy Servers, Network Security, Cybersecurity, Telecommunications, Virtual Private Networks (VPN), Infrastructure Security, Data Security, Security Awareness, Remote Access Systems, Network Protocols, Information Privacy, Communication Systems, Emerging Technologies
Beginner · Course · 1 - 3 Months
Logical Operations
Skills you'll gain: Prompt Engineering, AI powered creativity, Responsible AI, Generative AI, AI literacy, Data Ethics, Presentations, Artificial Intelligence, Photo Editing, Graphic and Visual Design, Visual Design, Business Ethics, Legal Risk, Photo/Video Production and Technology, Intellectual Property, Law, Regulation, and Compliance, Customer Service, Marketing
Mixed · Course · 1 - 4 Weeks