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 London
Skills you'll gain: Pseudocode, File I/O, C++ (Programming Language), Integrated Development Environments, Object Oriented Programming (OOP), Development Environment, Algorithms, Programming Principles, Software Installation
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Time Series Analysis and Forecasting, Forecasting, People Analytics, Trend Analysis, Microsoft Excel, Statistical Modeling, Excel Formulas, Predictive Modeling, Correlation Analysis, Statistical Methods, Predictive Analytics, Statistical Analysis, Data Analysis Software, Analytical Skills, Probability & Statistics, Graphing, Data Manipulation
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Technology, Telehealth, Health Systems, Healthcare Industry Knowledge, Health Care, Medicaid, Medical Terminology, Health Policy, Health Informatics, Managed Care, Digital Transformation, Entrepreneurship, Payment Systems, Medicare, Health Equity, Social Determinants Of Health, Payment Processing, Value-Based Care, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Campaign Planning, Social Media Content, Data-Driven Marketing, Social Media Strategy, Personalized Campaigns, Social Media Campaigns, Social Media Marketing, Campaign Management, Content Performance Analysis, Social Media Management, Content Creation, AI Personalization, Content Optimization, Social Media Analytics, AI literacy, Marketing Strategies, Content Strategy, Generative AI, Persona Development, Data Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Administration, Virtual Local Area Network (VLAN), General Networking, Network Architecture, Virtual Networking, TCP/IP, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Wireless Networks, Network Security, Networking Hardware, Network Switches, Network Protocols
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, Digital Signal Processing, Spatial Data Analysis, Medical Imaging, Spatial Analysis, Mathematical Software, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Network Security, Information Systems Security, Cloud Security, Cybersecurity, System Monitoring, Internet Of Things, Network Monitoring, Cyber Attacks, Mobile Security, Cryptography, Information Privacy, Authorization (Computing), Wireless Networks, Authentications, Data Storage, Patch Management, Operating Systems, Cloud Services, Cloud Platforms
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Medical Privacy, Health Technology, Health Information Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Industry Knowledge, Data Management, Health Care, Health Informatics, Cloud Security, Personally Identifiable Information, Health Care Procedure and Regulation, Regulatory Compliance, Information Systems Security, Information Privacy, Data Storage Technologies, Information Management, Data Security, Health Information Management and Medical Records, Cloud Standards, Information Technology
Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: FinTech, Financial Inclusion, Financial Services, Data Sharing, Financial Regulation, Financial Systems, Application Programming Interface (API), Financial Data, Banking, Financial Regulations, International Finance, Law, Regulation, and Compliance, Data Governance, Finance, Interoperability, Design Strategies, Regulatory Requirements, Strategic Thinking, Innovation, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data-Driven Marketing, Web Analytics, Customer Engagement, Digital Analysis, Technical Communication, Campaign Management, Analysis, Performance Metric, Business Metrics, Data-Driven Decision-Making, Descriptive Analytics, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Visual Storytelling, Adobe Firefly, Adobe Express, Adobe Acrobat, Presentations, Generative AI, Content Creation, Creative Thinking, Adobe Photoshop, Creativity, Prompt Engineering, Adobe Illustrator, Storytelling, Visual Design, Graphic Design, Design, Branding, Artificial Intelligence, Communication, Digital Marketing
Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: LangChain, LangGraph, Model Context Protocol, AI Workflows, LLM Application, Context Engineering, AI Orchestration, Agentic Workflows, Generative AI Agents, Tool Calling, Data Processing, Data Transformation, Retrieval-Augmented Generation, Agentic systems, Generative AI, Gemini, Scalability, Artificial Intelligence, Prompt Engineering, Responsible AI
Intermediate · Specialization · 3 - 6 Months