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: Google Ads, Advertising Campaigns, Search Engine Marketing, Pay Per Click Advertising, Performance Metric, Campaign Management, Performance Analysis, Online Advertising, Keyword Research, Performance marketing, Performance Measurement, Bidding, Conversion Funnel Analysis, Digital Advertising, Digital Marketing Campaigns, Web Analytics, Campaign Planning, Registration, Advertising, Digital Marketing
★ 4.5 (15) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Azure, Role-Based Access Control (RBAC), Azure Active Directory, Cloud Management, Authorization (Computing), Authentications, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Cloud Solutions, Cloud Security, Single Sign-On (SSO), Kubernetes, Encryption, Data Security, Data Integration
★ 4.9 (16) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Sensory Systems Analysis, Statistical Analysis, Psychological Evaluations, Data Analysis, Data Collection, Neurology, Psychology, Physiology, Image Analysis, Medical Imaging, Statistical Hypothesis Testing, Statistical Inference
★ 4.6 (8) · Intermediate · Course · 1 - 3 Months

H2O.ai
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Generative AI Agents, Agentic Workflows, Document Management, Generative AI, Web Applications, Artificial Intelligence, Data Processing, Agentic systems, Application Programming Interface (API), Process Optimization, Automation
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Microsoft PowerPoint, Presentations, Microsoft Office, Productivity Software, Microsoft Excel, Microsoft Word, Office Administration, Computer Literacy, Information Technology, Diagram Design, Editing
★ 4.7 (95) · Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Target Audience, Public Relations, Communication Planning, Strategic Communication, Corporate Communications, Crisis Management, Marketing and Public Relations, Strategic Planning, Media Relations, Persuasive Communication, Marketing Effectiveness, Content Performance Analysis, Media and Communications, Marketing Budgets, Persona Development, Campaign Management, Marketing Communications, Social Media, AI Enablement, Teamwork
★ 4.9 (12) · Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: AI literacy, Responsible AI, Data Ethics, digital literacy, Generative AI, Education Software and Technology, Artificial Intelligence, Ethical Standards And Conduct, Human Computer Interaction, Information Privacy, Intellectual Property
★ 4.4 (27) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Robotics, Automation Engineering, Machine Controls, Internet Of Things, Control Systems, Automation, Image Analysis, Industrial Engineering, Computer Vision, Equipment Design, Mechanical Design
★ 4.5 (34) · Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: API Design, API Gateway, Application Programming Interface (API), Postman API Platform, Restful API, API Testing, Data Validation, Authentications, OAuth, Cloud API, Microservices, Application Deployment, Continuous Deployment, CI/CD, Authorization (Computing), Application Frameworks, Performance Tuning, Application Lifecycle Management, Prometheus (Software), Grafana
★ 3.3 (13) · Intermediate · Specialization · 1 - 3 Months

Multiple educators
Skills you'll gain: Data Storytelling, Storytelling, Conversion Funnel Analysis, Design Thinking, Solution Design, Business Strategies, Business Strategy, Business Modeling, Visual Storytelling, Marketing Communications, Data Visualization, Brand Strategy, Digital Analysis, Advertising, Business Planning, Growth Strategies, Technology Strategies, Risk Management, Portfolio Risk, Process Design
★ 4.8 (88) · Intermediate · Specialization · 3 - 6 Months

Universiteit Leiden
Skills you'll gain: Data Analysis, Research Design, Epidemiology, Statistical Inference, Statistical Analysis, Analysis, Clinical Research, Biostatistics, Quantitative Research, Public Health, Statistical Methods, Health Care, Probability & Statistics, Research Methodologies, Research, Clinical Trials, Science and Research, Medical Science and Research, Statistics, Descriptive Statistics
★ 4.3 (21) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, AI Security, Machine Learning, Information Privacy, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Data Security, Algorithms
Intermediate · Course · 1 - 4 Weeks