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.

Multiple educators
Skills you'll gain: Data Storytelling, Storytelling, Design Thinking, Business Strategy, Business Modeling, Business Solutions, Marketing Communications, Data Visualization, Brand Strategy, Project Portfolio Management, Growth Strategies, Technology Strategies, Business Process, Digital Transformation, Innovation, Organizational Strategy, Strategic Communication, Presentations, Strategic Thinking, Market Opportunities
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: MITRE ATT&CK Framework, Network Security, Cybersecurity, Exploitation techniques, Cyber Operations, Python Programming, Data Access, Authorization (Computing), Authentications, Scripting, Network Protocols, User Accounts
Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Linux Administration, Devops Tools, Operating System Administration, General Networking, Linux, Linux Commands, Ubuntu, Software Development Tools, Web Applications, Network Administration, Application Development, TCP/IP, Computer Networking, Network Troubleshooting, DevOps, Package and Software Management, Application Servers, Development Environment, Java, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Architectural Drawing, Technical Drawing, Drafting and Engineering Design, Computer-Aided Design, Architectural Design, Construction, Data Import/Export, File Management, Design
Beginner · Course · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Spatial Analysis, NoSQL, Spatial Data Analysis, Geospatial Mapping, Geographic Information Systems, Big Data, MongoDB, File Systems, Apache Hadoop, Distributed Computing, Data Architecture, Cloud Computing, Apache Spark, Public Cloud, Database Systems, Data Processing, Scalability, Databases, Environmental Monitoring, Climate Change Programs
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Presentations, Storytelling, Data Storytelling, Persuasive Communication, Public Speaking, Verbal Communication Skills, Drive Engagement, Motivational Skills, Communication, Target Audience, Leadership
Advanced · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Machine Learning Algorithms, Data Governance, Health Systems, Health Informatics, Artificial Intelligence, Analytics, Digital Transformation, Healthcare Industry Knowledge, Healthcare Ethics, Artificial Intelligence and Machine Learning (AI/ML), Human Factors (Security), Generative AI Agents, Machine Learning, Health Technology, Health Information Management, Information Technology, Information Systems
Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Cloud Security, Application Security, Network Security, Cloud Computing, Cybersecurity, Information Systems Security, Security Controls, Infrastructure Security, Remote Access Systems, Public Key Infrastructure, Cryptography, Vulnerability Assessments, Virtualization, Virtual Machines, Encryption, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, Object Oriented Programming (OOP), C# (Programming Language), Software Design Patterns, Event-Driven Programming, Computer Programming, UI Components, Data Import/Export, Debugging, File Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Competitive Analysis, Market Research, Consumer Behaviour, Market Analysis, Product Strategy, Target Market, Business Strategy, Market Opportunities, New Product Development, Data Analysis, Customer Insights, Product Development, Focus Group, Data Collection, Innovation, Interviewing Skills, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Spatial Analysis, Geographic Information Systems, Scripting, Geospatial Mapping, Dashboard, Data Visualization Software, Data Processing, Interactive Data Visualization, Data Manipulation, Cascading Style Sheets (CSS)
Intermediate · Course · 1 - 4 Weeks
Northeastern University
Skills you'll gain: Healthcare Industry Knowledge, Health Systems, Health Informatics, Value-Based Care, Change Management, Health Care, Health Care Administration, Health Technology, Patient-centered Care, Consumer Behaviour, Data-Driven Decision-Making, Payment Systems
Beginner · Course · 1 - 4 Weeks