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.

LearnKartS
Skills you'll gain: Cybersecurity, Network Security, Cyber Attacks, Penetration Testing, Cyber Security Assessment, Application Security, Cyber Security Strategy, Cyber Threat Intelligence, Vulnerability Scanning, Cyber Security Policies, Security Controls, Network Monitoring, Data Security, Cyber Risk
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Transformation, Unstructured Data, Feature Engineering, Predictive Analytics, Applied Machine Learning, Machine Learning
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Tableau Software, Data Modeling, Dashboard Creation, Dashboard, E-Commerce, Performance Reporting, Data Visualization Software, Data Visualization, Performance Analysis, Data Presentation, Interactive Data Visualization, Data Analysis, Regional Sales, Business Analysis, Branding
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphic Techniques, Visualization (Computer Graphics), Graphical Tools, Computer Graphics, Animation and Game Design, Model Optimization, User Interface (UI)
Beginner · Course · 3 - 6 Months

Illinois Tech
Skills you'll gain: Infrastructure As A Service (IaaS), Virtualization, Platform As A Service (PaaS), Containerization, Cloud-Native Computing, Serverless Computing, Cloud Infrastructure, Network Security, Cloud Services, Cloud Computing, Amazon Web Services, Cloud Management, Infrastructure as Code (IaC), Cloud Computing Architecture, Virtualization and Virtual Machines, Virtual Machines, Network Troubleshooting, Software-Defined Networking, Cloud Security, Network Administration
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: Data Ethics, Microsoft Excel, Microsoft Copilot, Excel Formulas, Excel Macros, Microsoft Power Platform, ChatGPT, Microsoft 365, Microsoft Access, Microsoft Teams, Workflow Management, Microsoft Office, Microsoft Project, Business Workflow Analysis, Operational Excellence, Microsoft Windows, Test Tools, Interactive Learning, Software Development Tools, Devops Tools
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Microsoft Office, Data Literacy, Communication, Business Strategy
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Administration, Database Management, Relational Databases, SQL, Google Cloud Platform, Operational Databases, Database Design, Database Architecture and Administration, MySQL, Database Management Systems, System Configuration, Data Migration, Cloud Deployment, Database Software, Network Administration, Data Maintenance, Security Controls, Data Import/Export, Data Storage, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Email Marketing, Performance marketing, Product Promotion, Content Marketing, Online Advertising, Data-Driven Marketing, Social Media, Web Analytics, Blogs, Marketing Analytics, Professional Networking, Market Opportunities
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Optimization, Generative Model Architectures, Model Deployment, Azure DevOps Pipelines, Large Language Modeling, Model Training, Cloud Deployment, CI/CD, Fine-tuning
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Generative Adversarial Networks (GANs), AI Security, Fraud detection, Model Evaluation, Feature Engineering, Cybersecurity, Cyber Security Strategy, Reinforcement Learning, Model Optimization, Data Synthesis
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Prompt Engineering, Prompt Patterns, Amazon Bedrock, Token Optimization, Prompt Engineering Tools, Rust (Programming Language), Agentic Workflows, AI Workflows, Natural Language Processing, Tool Calling, LLM Application, AI Orchestration, Large Language Modeling, Generative AI, Data Pipelines, Command-Line Interface, Agentic systems, Version Control
Beginner · Course · 1 - 4 Weeks