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: MySQL, Database Management, Stored Procedure, Database Design, Database Management Systems, Relational Databases, SQL, Database Development, Database Administration, Query Languages, Data Management, Data Integrity, Data Maintenance, Data Entry
★ 4.8 (565) · Beginner · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: TCP/IP, Networking Hardware, Network Protocols, OSI Models, Network Support, Network Infrastructure, General Networking, Network Architecture, Network Administration, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Switches, Network Model, Computer Networking, Network Routers, System Configuration, Network Analysis, IT Infrastructure
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Statistical Inference, Econometrics, Mediation, Correlation Analysis, Statistical Analysis, Regression Analysis, Time Series Analysis and Forecasting, Statistical Methods, Statistical Modeling, Mathematical Modeling, Research Design
★ 3.1 (16) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Make.com, AI Workflows, Business Workflow Analysis, Workflow Management, No-Code Development, Email Automation, Agentic Workflows, AI Security, Decision Intelligence, AI Orchestration, Process Analysis, Process Mapping, Generative AI Agents, Process Design, AI Integrations, Microsoft Power Automate/Flow, Productivity Software, Calendar Management, Responsible AI, Development Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, LLM Application, Hugging Face, Retrieval-Augmented Generation, Prompt Patterns, LangGraph, Model Deployment, AI Workflows, Large Language Modeling, AI Orchestration, Generative AI, Token Optimization, Generative Model Architectures, AI Integrations, Fine-tuning, Embeddings, Data Pipelines, Containerization, Restful API, Docker (Software)
★ 1.7 (7) · Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Generative AI, Generative Model Architectures, Generative AI Agents, Prompt Engineering, AI literacy, Prompt Patterns, LLM Application, Artificial Intelligence, AI Workflows, Large Language Modeling, Tool Calling, Responsible AI, Model Training, Data Ethics, Agentic systems, Fine-tuning, Context Management, Model Evaluation
Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Large Language Modeling, Prompt Patterns, Database Design, LLM Application, Database Development, Software Documentation, Software Design Patterns, Vibe coding, Databases, Collaborative Software, Software Testing, OpenAI API, Application Design, Technical Documentation, AI Integrations, Generative AI, Software Engineering, Software Development, Machine Learning
★ 4.6 (825) · Beginner · Professional Certificate · 1 - 3 Months

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

University of Illinois at Urbana-Champaign
Skills you'll gain: Business Strategy, Data Visualization, Data Storytelling, Management Accounting, Model Evaluation, Fund Accounting, Operations Management, Organizational Change, Audit Planning, Mergers & Acquisitions, Financial Statement Analysis, Project Closure, Risk Management, Social Determinants Of Health, Revenue Recognition, Entrepreneurship, Financial Auditing, Data Governance, Generative AI, Supply And Demand
Graduate Certificate · 6 - 12 Months

Edureka
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Security Testing, Application Security, Vulnerability Scanning, Risk Mitigation, Cyber Security Assessment, Vulnerability Management, Cyber Attacks, Security Engineering, Risk Analysis, Web Applications, Security Awareness, Computer Security, Security Management, Cyber Security Strategy, Authentications, Software Development, Linux, Linux Commands
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Bioinformatics, Algorithms, Data Structures, Theoretical Computer Science, Precision Medicine, Data Transformation, Life Sciences
★ 4.5 (1.1K) · Intermediate · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Sustainable Development, Geographic Information Systems, Geospatial Information and Technology, GIS Software, Environment and Resource Management, Spatial Data Analysis, Water Sustainability, Natural Resource Management, Spatial Analysis, Environmental Science, Environmental Policy, Environmental Issue, Hydrology, Economics, Governance, Case Studies, Ethical Standards And Conduct
★ 4.8 (742) · Intermediate · Course · 1 - 3 Months