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: IT Management, Information Technology Architecture, Computer Security Awareness Training, Computer Security, Human Factors (Security), Artificial Intelligence
★ 4.9 (20) · Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Database Application, Python Programming, Unit Testing, Computer Programming, Restful API, Cross Platform Development, Package and Software Management, Scripting, Data Science, Program Development, Computer Programming Tools, Software Development, Data Processing, Debugging, Programming Principles, User Interface (UI) Design, Regression Analysis, Machine Learning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Overcoming Objections, Sales Development, Oral Expression, Lead Generation, Consultative Selling, Selling Techniques, Verbal Communication Skills, Prospecting and Qualification, Phone Sales, Cold Calling, General Sales Practices, Sales, Emotional Intelligence, Sales Strategy, Target Audience, Closing (Sales), Sales Prospecting, Data-Driven Marketing, Empathy, Rapport Building
★ 4 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Model Deployment, Unstructured Data, Tensorflow, MLOps (Machine Learning Operations), Model Training, Applied Machine Learning, Machine Learning, Jupyter, Artificial Intelligence
★ 4.7 (47) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, SQL, Hardware Architecture, General Networking, Database Design, Database Software, Hardware Troubleshooting, Networking Hardware, Database Theory, Databases, Database Management Systems, Computer Networking, Relational Databases, Network Support, Database Management, Network Protocols, Query Languages, Information Technology, Network Routers, Wireless Networks
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: Model Evaluation, MLOps (Machine Learning Operations), Classification Algorithms, Model Deployment, Machine Learning Software, Applied Machine Learning, Machine Learning Algorithms, Java, Software Design Patterns, Data-Driven Decision-Making, Logistic Regression, Business Metrics, Benchmarking, Decision Tree Learning, Matrix Management, Business
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Excel Formulas, Data Validation, Spreadsheet Software, Microsoft Excel, Accounting, Data Integrity, Financial Reporting, Vocabulary, Automation
Beginner · Course · 1 - 4 Weeks

University of Arizona
Skills you'll gain: User Experience Design, Data-Driven Marketing, Content Marketing, Digital Brand Strategy, Digital Marketing, Marketing Analytics, Marketing Channel, Strategic Marketing, Content Strategy, Cross-Channel Marketing, Digital Content, Storytelling, Social Media Strategy, Search Engine Marketing, Persuasive Communication
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Prompt Patterns, Tool Calling, LLM Application, JSON, Large Language Modeling, Artificial Intelligence
★ 4.6 (16) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: JSON, Javascript, JavaScript Frameworks, Software Testing, Unit Testing, Scripting, Frontend Performance, Event-Driven Programming, Hypertext Markup Language (HTML), Scripting Languages, Data Validation, Data Structures, Network Protocols, Verification And Validation
★ 3.8 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Hunting, Endpoint Detection and Response, Threat Detection, Incident Response, Cloud Security, Cyber Threat Intelligence, Computer Security Incident Management, Microsoft Azure, Security Information and Event Management (SIEM), Endpoint Security, Azure Active Directory, Incident Management, Security Controls, Multi-Cloud, Anomaly Detection, Email Security, Hybrid Cloud Computing, Role-Based Access Control (RBAC), Automation, Query Languages
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Agentic systems, Code Reusability, AI Integrations, Engineering Software, Systems Architecture, API Design, Systems Design, Solution Architecture, Artifactory, Generative Model Architectures, Release Management
Intermediate · Course · 1 - 4 Weeks