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.

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Threat Modeling, Cybersecurity, Cryptography, Mobile Security, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Cyber Security Assessment, Application Security, Operating System Administration, Network Security, Operating Systems, Encryption, Hardening
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: HubSpot CRM, Team Building, Customer Relationship Management (CRM) Software, Team Management, Customer Relationship Management, Email Automation, Business Reporting, Marketing Automation, Email Marketing, Sales Development, Customer Service
Beginner · Guided Project · Less Than 2 Hours

Scrimba
Skills you'll gain: SQL, Relational Databases, Database Design, Database Management, Database Application, Query Languages, Databases, Data Manipulation, Database Management Systems
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management, Billing, Customer Relationship Management (CRM) Software, Sales Tax, Small Business Accounting, Accounting and Finance Software, Accounting, Security Controls, Payroll Systems
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Spring Boot, React.js, Spring Framework, Object-Relational Mapping, Frontend Integration, Restful API, YAML, Data Access, Database Application, Data Persistence, Web Applications, JavaScript Frameworks, Back-End Web Development, Databases, Application Performance Management, Configuration Management, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Visual Studio, C# (Programming Language), Integrated Development Environments, Microsoft Development Tools, Program Development, Programming Principles, C and C++, Computer Programming, Command-Line Interface, Computational Logic
Beginner · Guided Project · Less Than 2 Hours

Pragmatic AI Labs
Skills you'll gain: Responsible AI, Model Evaluation, AI Integrations, Model Deployment, GitHub, Application Programming Interface (API), AI Enablement, Generative AI, Development Environment, LLM Application, API Design, Cloud Development, Microsoft Azure, Prompt Engineering, Capacity Management, Scalability, Authentications, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Earned Value Management, Workflow Management, Business Process Automation, Change Management, Project Management, Project Controls, Performance Measurement, Automation, Predictive Modeling, AI Enablement, Strategic Communication, Data-Driven Decision-Making, Risk Analysis, Process Improvement and Optimization, Process Optimization, Analytics, Cloud-Based Integration, Generative AI, Systems Integration, Machine Learning
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Vulnerability Assessments, Risk Management, Continuous Monitoring, Vulnerability Scanning, Risk Management Framework, Operational Risk, Threat Management, Cyber Security Assessment, Intrusion Detection and Prevention, Cyber Risk, Computer Security Incident Management, Vulnerability Management, Risk Modeling, Security Management, Security Controls, Risk Mitigation, Event Monitoring, Risk Analysis, Network Monitoring, Network Analysis
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: SketchUp (3D Modeling Software), Computer-Aided Design, Visualization (Computer Graphics), Computer Graphics, 3D Assets, Design Software, Computer Graphic Techniques, Graphic and Visual Design Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Monitoring, Network Security, Incident Response, Anomaly Detection, Network Analysis, Digital Forensics, Cyber Security Assessment, Network Protocols, Threat Detection, Technical Communication, Distributed Denial-Of-Service (DDoS) Attacks, Computer Security, Cybersecurity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Risk Modeling, Data-Driven Decision-Making, Predictive Modeling, Data Literacy, Risk Analysis, Strategic Decision-Making, Business Analysis, Performance Metric, Applied Machine Learning, Data Synthesis, Technical Communication
Beginner · Course · 1 - 4 Weeks