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 Arizona
Skills you'll gain: Search Engine Marketing, Pay Per Click Advertising, Google Ads, Search Engine Optimization, Digital Marketing, Cross-Channel Marketing, Keyword Research, Digital Marketing Campaigns, Online Advertising, Paid media, Social Media Strategy, Marketing Channel, Marketing Strategies, Social Media, Digital Brand Strategy, Social Media Campaigns, Social Media Content, Social Media Marketing, Integrated Marketing Communications, Analytical Skills
Intermediate · Course · 1 - 3 Months

PracticalGrowth
Skills you'll gain: Team Collaboration, Sprint Retrospectives, Collaboration, Teamwork, Discussion Facilitation, Communication Strategies, Influencing, Team Building, Business Communication, Communication, Stakeholder Communications, Professional Networking, Productivity, Time Management, Content Strategy, Performance Metric, Data Storytelling, Negotiation, Value Propositions, Proposal Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Restful API, Postman API Platform, API Design, Application Programming Interface (API), .NET Framework, API Testing, Authentications, Object-Relational Mapping, Development Environment, Microsoft Visual Studio, Web Development Tools, Endpoint Security, Software Design Patterns, Data Mapping, Identity and Access Management, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Multi-Cloud, Enterprise Architecture, Security Architecture Review, Infrastructure Architecture, AI Security, Software Architecture, Generative AI, Microservices, Infrastructure as Code (IaC), Data Architecture, Scalability, Site Reliability Engineering, CI/CD, Cost Management, Security Controls, Application Performance Management, Data Pipelines, Governance
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Conversion Funnel Analysis, Web Analytics, Digital Analysis, Customer Analysis, Product Management, Customer Insights, Analytics, Business Analysis, Root Cause Analysis, User Flows, Performance Analysis, Data Presentation, Performance Metric, Key Performance Indicators (KPIs), Data Collection, Regression Analysis, Event Monitoring, Data Capture, Taxonomy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microservices, API Gateway, Docker (Software), Containerization, Software Architecture, Frontend Integration, Systems Architecture, Software Design Patterns, Restful API, Event-Driven Programming, Software Design, Transaction Processing, Business Logic
Advanced · Course · 1 - 3 Months

Skills you'll gain: Technical Analysis, Market Trend, Market Data, Trend Analysis, Financial Trading, Market Analysis, Market Dynamics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Legal Risk, Responsible AI, Data Ethics, Generative AI, AI Security, Law, Regulation, and Compliance, Information Privacy, Regulation and Legal Compliance, Continuous Monitoring, Case Studies, Diversity Awareness, Ethical Standards And Conduct, Intellectual Property, Mitigation
Beginner · Course · 1 - 4 Weeks
University of Maryland, College Park
Skills you'll gain: Health Informatics, Public Health, Health Policy, Public Health and Disease Prevention, Clinical Informatics, Health Care Administration, Health Administration, Informatics, Health Care, Health Systems, Healthcare Industry Knowledge, Health Care Procedure and Regulation, Data Sharing, Health Technology, Interoperability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unreal Engine, 3D Assets, Cinematography, Virtual Environment, Computer Graphics, Computer Graphic Techniques, Animations, Post-Production, Visualization (Computer Graphics), Image Quality, Visual Storytelling, Fine-tuning, Video Production, User Interface (UI), Scalability, Development Environment, Performance Tuning, Game Design, Simulations, Design
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Transaction Processing, Data Lakes, Data Architecture, Databricks, Data Infrastructure, Data Pipelines, Data Warehousing, Data Integration, Apache Spark, Data Processing, Real Time Data, Big Data, Scalability, Performance Tuning, Data Management, Data Quality, Data Storage Technologies, SQL
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Decision Making, Strategic Decision-Making, Decisiveness, Logical Reasoning, Emotional Intelligence, Data-Driven Decision-Making, Strategic Thinking, Critical Thinking, Business Leadership, Analytical Skills, Leadership, Case Studies, Microsoft Excel, Entrepreneurship
Mixed · Course · 1 - 3 Months