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: Ajax, Test Tools, Build Tools, Object Oriented Design, Gherkin (Scripting Language), Test Script Development, Web Development Tools, Software Design Patterns, Test Data, Scripting, Data Structures, Package and Software Management, File I/O, Data Access, Automation, Cascading Style Sheets (CSS)
★ 4.3 (10) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Quality Management, Project Closure, Team Management, Management Training And Development, Quality Management Systems, Team Leadership, Leadership Studies, Project Management, Team Performance Management, Product Quality (QA/QC), Project Management Life Cycle, Data-Driven Decision-Making, Project Implementation, Quality Assessment, Quality Monitoring, Project Controls, Data Storytelling, Project Documentation, Project Risk Management, Project Performance
★ 4.8 (32) · Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: Network Architecture, General Networking, Network Infrastructure, Computer Networking, OSI Models, Network Switches, Local Area Networks, Network Planning And Design, Networking Hardware, Network Protocols, Network Model, Infrastructure As A Service (IaaS)
★ 3.4 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Identity and Access Management, Verification And Validation, Cloud Deployment, IT Infrastructure, Multi-Tenant Cloud Environments, IT Automation, Code Reusability, Development Testing, Data Structures, Authentications, Data Security, Dependency Analysis
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unreal Engine, Video Game Development, Animation and Game Design, Game Design, Animations, User Interface (UI), Interactive Design, Prototyping, Virtual Environment, Simulation and Simulation Software, Visualization (Computer Graphics), Simulations, Artificial Intelligence, User Interface (UI) Design, 3D Assets, Physics, UI Components, Scripting, Event-Driven Programming, Development Environment
★ 4.8 (18) · Intermediate · Specialization · 3 - 6 Months

Empower School of Health
Skills you'll gain: Health Technology, Healthcare Ethics, Data Ethics, Telehealth, Medical Privacy, Health Informatics, Responsible AI, Clinical Research Ethics, Law, Regulation, and Compliance, Emerging Technologies, Healthcare Industry Knowledge, Digital Transformation, Health Information Management, Health Systems, Health Equity, Information Privacy, Blockchain, Cloud Storage, Robotic Process Automation, Artificial Intelligence and Machine Learning (AI/ML)
★ 3.9 (18) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Software Development Methodologies, Open Web Application Security Project (OWASP), CI/CD, Application Deployment, DevOps, Development Environment, Continuous Integration, Ansible, TCP/IP, Docker (Software), OSI Models, General Networking, Networking Hardware, Computing Platforms, Application Programming Interface (API), Version Control, IT Automation, Software Design Patterns, JSON
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Case Studies, Emerging Technologies, Technology Strategies, Digital Transformation, Business Transformation, AI Security, AI Enablement, Innovation, AI Integrations, Internet Of Things, Information Systems Security, Wireless Networks, Cybersecurity, Operational Efficiency, Telecommunications, Data Security, Artificial Intelligence, Information Privacy
★ 4.9 (72) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon S3, Network Planning And Design, Identity and Access Management, Cloud Solutions, Cloud Management, Cloud Computing, Cloud Computing Architecture, Public Cloud, User Provisioning, Network Architecture, Virtual Networking, Cloud Infrastructure, Cloud Services, User Accounts, Solution Architecture
★ 4.8 (26) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, Transact-SQL, SQL, Database Development, Transaction Processing, Stored Procedure, Database Administration, Database Software, Data Manipulation, Database Management, Query Languages, Relational Databases, Database Architecture and Administration, Data Integrity, Data Analysis, Software Installation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Gemini, Google Gemini, Multimodal Prompts, Retrieval-Augmented Generation, Data Store, Embeddings, Metadata Management, Image Analysis, Large Language Modeling, Prompt Engineering, Cloud Computing, Artificial Intelligence
★ 3.9 (10) · Intermediate · Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Large Language Modeling, AI literacy, Generative AI, LLM Application, Writing, Data Ethics, Writing and Editing, Responsible AI, Artificial Intelligence, Model Evaluation, Machine Learning, Information Privacy
★ 3.7 (19) · Beginner · Course · 1 - 4 Weeks