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 Pennsylvania
Skills you'll gain: Prompt Engineering, Data Ethics, ChatGPT, Responsible AI, AI Personalization, Generative AI Agents, Generative AI, Education Software and Technology, OpenAI, Digital pedagogy, AI Integrations, Teaching
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: GitHub, Authentications, Authorization (Computing), Role-Based Access Control (RBAC), Security Controls, Data Security, Identity and Access Management, Enterprise Application Management, Multi-Factor Authentication, Security Management, Security Engineering, Version Control, Systems Administration, Collaborative Software
Beginner · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Network Security, Virtual Private Networks (VPN), IT Security Architecture, Intrusion Detection and Prevention, Hardening, Network Monitoring, Firewall, Network Administration, Remote Access Systems, Network Architecture, Network Planning And Design, Zero Trust Network Access, Security Engineering, Security Controls, Security Management, Threat Detection, Security Information and Event Management (SIEM), Security Awareness, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spreadsheet Software, Data Visualization, Plot (Graphics), Data Management
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: PHP (Scripting Language), MySQL, Database Application, Database Development, Object Oriented Programming (OOP), Database Management, Secure Coding, Authentications, Web Applications, SQL, Network Protocols
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Agentic systems, Generative AI Agents, Front-End Web Development, Gemini, Google Gemini, Model Context Protocol, AI Integrations, OpenAI API, Artificial Intelligence, Frontend Performance, Frontend Integration, ChatGPT, TypeScript, Generative AI, Web Applications, Software Architecture, Node.JS, User Interface and User Experience (UI/UX) Design, Data Integration, Machine Learning
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Dashboard Creation, Data Ethics, Predictive Modeling, No-Code Development, Model Deployment, Data Visualization, Data Presentation, Responsible AI, Data-Driven Decision-Making, Interactive Data Visualization, Advanced Analytics, Product Improvement, Business Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Business Analytics, Data Cleansing, Data Preprocessing, Business Metrics, Predictive Analytics, Data Architecture
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Amazon Web Services, Amazon DynamoDB, Containerization, Application Deployment, Databases, Cloud Computing Architecture, Scalability, Docker (Software), Amazon Elastic Compute Cloud, Kubernetes, Database Architecture and Administration, Cloud Deployment, Database Management, NoSQL, Load Balancing, Web Applications, Security Testing, Performance Testing
Intermediate · Course · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Serverless Computing, AWS Identity and Access Management (IAM), Event-Driven Programming, Solution Architecture, Cloud Computing Architecture, Cloud Solutions, Identity and Access Management, Amazon Web Services, Software Architecture, IT Security Architecture, Back-End Web Development, API Gateway, Hybrid Cloud Computing, Cloud Engineering, Systems Architecture, Cloud Management, Information Technology Architecture, Cloud Computing, Data Analysis, Data Visualization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Internet Of Things, Embedded Software, Embedded Systems, Wireless Networks, Application Development, Display Devices, Interactive Design, Development Environment, Computer Programming, Real Time Data, Digital Communications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stored Procedure, Microsoft SQL Servers, Database Development, Transact-SQL, Performance Tuning, Database Management, Query Languages, SQL, Microsoft Copilot, AI Integrations, Code Reusability, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Business Metrics, Business Analytics, Analytics, Performance Metric, Performance Measurement, Marketing Analytics, Financial Data, Business Analysis, Key Performance Indicators (KPIs), Tableau Software, Analytical Skills, Big Data, Data Analysis, Data Literacy, Case Studies, Microsoft Excel, Digital Transformation, SQL
Mixed · Course · 1 - 3 Months