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: Application Performance Management, Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Kubernetes, Cloud Infrastructure, Identity and Access Management, Data Loss Prevention, Load Balancing, Prompt Engineering, Network Monitoring, Prompt Engineering Tools, Cloud Security, Containerization, Virtual Networking, Network Architecture, Infrastructure As A Service (IaaS), Network Routing, DevSecOps, Virtual Private Networks (VPN), Dashboard Creation
★ 4.7 (51K) · Intermediate · Professional Certificate · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Text Mining, Natural Language Processing, Data Mining, Unstructured Data, Big Data, Applied Machine Learning, Data Engineering, Web Scraping, AI Personalization, Model Evaluation, Machine Learning Algorithms, Web Analytics and SEO, Machine Learning, Model Optimization, Network Analysis, Statistical Methods, Statistical Modeling, Probability & Statistics
★ 4.5 (965) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Crisis Management, Data Ethics, Governance, Business Ethics, Strategic Leadership, Corporate Communications, Responsible AI, Law, Regulation, and Compliance, Communication Planning, Accountability Frameworks, Media Relations, Strategic Thinking, Communication Strategies, Risking, Business Leadership, Risk Management, Test Tools, Communication, Leadership, Learning Strategies
★ 4.7 (648) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: CrewAI, Prompt Engineering, Anthropic Claude, Email Automation, Generative AI, AI Orchestration, AI Workflows, ChatGPT, Responsible AI, AI Product Strategy, Agentic Workflows, Automation, AI Enablement, Workflow Management, Report Writing, Productivity, Innovation, Operational Efficiency, Performance Reporting, Customer Support
★ 4.4 (493) · Intermediate · Specialization · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: R Programming, Statistical Programming, R (Software), Statistical Modeling, Bayesian Statistics, Statistical Software, Markov Model, Mathematical Modeling, Statistical Methods, Statistical Inference, Sampling (Statistics), Simulations, Probability Distribution, Classification Algorithms
★ 4.5 (63) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Email Security, Public Key Infrastructure, Encryption, Network Security, Cryptography, IT Security Architecture, Cybersecurity, Endpoint Detection and Response, Hardening, Data Security, Cyber Threat Hunting, Cryptographic Protocols, Advanced Encryption Standard (AES), Key Management, Authorization (Computing), Cyber Attacks, Information Technology, Computer Security Incident Management, Cyber Security Strategy, Technical Support and Services
★ 4.8 (3.2K) · Beginner · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Reinforcement Learning, Financial Trading, Financial Market, Derivatives, Markov Model, Risk Modeling, Financial Modeling, Portfolio Management, Model Optimization, Market Dynamics, Machine Learning, Machine Learning Algorithms
★ 3.6 (134) · Advanced · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Predictive Modeling, Data Storytelling, Database Design, Dashboard, Predictive Analytics, MySQL, Data Presentation, Relational Databases, SQL, Tableau Software, Business Analytics, Business Metrics, Data Visualization Software, Process Development, Data Visualization, Business Analysis, Data Analysis, Big Data, Business Communication, Microsoft Excel
★ 4.6 (15K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Rmarkdown, Stakeholder Communications, Data Ethics, Data Literacy, Data-Driven Decision-Making, Stakeholder Management, Interactive Data Visualization, Data Cleansing, Tableau Software, Spreadsheet Software, Data Validation, Data Visualization Software, R (Software), Data Integrity, Data Collection, Case Studies, Interviewing Skills
★ 4.7 (331) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Lean Six Sigma, Six Sigma Methodology, Process Improvement and Optimization, Quality Improvement, Lean Manufacturing, Continuous Improvement Process, Data-Driven Decision-Making, Business Process, Process Analysis, Process Mapping, Business Analysis, Benchmarking, Root Cause Analysis, Stakeholder Engagement, Performance Measurement, Stakeholder Management, Project Management
★ 4.4 (34) · Beginner · Course · 1 - 4 Weeks

Edge Impulse
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Transfer Learning, Artificial Neural Networks, Embedded Systems, Deep Learning, Model Deployment, Data Ethics, Responsible AI, Model Training, Machine Learning, Computer Programming, Classification Algorithms, Model Evaluation, Python Programming
★ 4.8 (168) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Interactive Data Visualization, Data Storytelling, Data Presentation, Data Visualization, Business Intelligence, Dashboard Creation, Business Intelligence Software, Data-Driven Decision-Making, Customer Analysis, Data Modeling, Data Analysis, Data Integration, Advanced Analytics, Spatial Data Analysis, Exploratory Data Analysis, Statistical Analysis, Data Transformation, Decision Support Systems, Collaborative Software, Data Validation
★ 4.7 (90) · Advanced · Specialization · 1 - 3 Months