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.

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android (Operating System), Application Deployment, Mobile Development, JSON, Google Cloud Platform, Restful API, Application Design, Geospatial Information and Technology, Web Services, Application Programming Interface (API), Data Persistence, Animations
★ 4.6 (103) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Model Deployment, Keras (Neural Network Library), Model Optimization, Data Processing, Transfer Learning, Data Analysis, Model Training, Data Preprocessing, Image Analysis, Deep Learning, Classification Algorithms, Artificial Neural Networks, Computer Vision, Predictive Modeling, Model Evaluation, Machine Learning
Intermediate · Course · 3 - 6 Months

Coursera
Skills you'll gain: Statistical Hypothesis Testing, Data-Driven Decision-Making, LLM Application, Statistical Methods, Performance Metric, Statistical Inference, Probability & Statistics, Statistical Analysis, Test Script Development, Large Language Modeling, Model Evaluation, Model Optimization, Prompt Engineering, Natural Language Processing, Scripting, Embeddings
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Risk Modeling, Portfolio Risk, Financial Market, Risk Management, Market Data, Risk Analysis, Probability Distribution, R (Software), Financial Data, Return On Investment, R Programming, Portfolio Management, Statistical Programming, Financial Analysis, Securities (Finance), Equities, Time Series Analysis and Forecasting, Statistical Modeling, Data Access
★ 4.3 (257) · Intermediate · Course · 1 - 4 Weeks
Northeastern University
Skills you'll gain: Healthcare Industry Knowledge, Health Systems, Health Informatics, Value-Based Care, Organizational Change, Change Management, Health Care, Managed Care, Patient-centered Care, Consumer Behaviour, Data-Driven Decision-Making, Payment Systems, Emerging Technologies
★ 4.5 (85) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Clinical Documentation, Medical Coding, Generative AI, Regulatory Compliance, Compliance Management, Medical Billing and Coding, AI Integrations, Medical History Documentation, Automation, Operational Efficiency, Technology Solutions, Innovation
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: DevSecOps, Secure Coding, Cryptography, Application Security, Security Testing, IT Security Architecture, Cyber Threat Intelligence, Cyber Risk, Encryption, Network Security, AI Integrations, DevOps, Cybersecurity, CI/CD, Security Awareness, Cloud Security, Software Development, Security Controls, Artificial Intelligence and Machine Learning (AI/ML), Software Architecture
★ 4.7 (32) · Beginner · Specialization · 3 - 6 Months

Tecnológico de Monterrey
Skills you'll gain: Customer Engagement, Target Market, Target Audience, Digital Advertising, Digital Analysis, Customer Retention, Customer Relationship Building, Search Engine Optimization, Sales Prospecting, Brand Loyalty, Digital Brand Strategy, Digital Media Strategy, Lead Generation, Prospecting and Qualification, Digital Marketing, Marketing Strategies, Strategic Communication, Customer experience strategy (CX), Digital Marketing Tools, Cash Flows
★ 4.9 (146) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Network Security, Operating Systems, Information Technology Operations, Network Support, Mac OS, Security Controls, Microsoft Windows, Information Systems Security, System Configuration, Mobile Security, System Support, Linux, Network Troubleshooting, Technical Support, Software Installation, Help Desk Support, Firewall, Malware Protection, Encryption
★ 4.7 (72) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Budgeting, Data Visualization, Google Sheets, Productivity Software, Budget Management, Spreadsheet Software, Presentations, User Accounts, Data Sharing
★ 4.6 (333) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Cybersecurity, Cyber Operations, Data Persistence, Exploitation techniques, Persistence, Intrusion Detection and Prevention, Scripting, Python Programming, Scripting Languages
★ 4.6 (97) · Intermediate · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Machine Controls, Robotics, Control Systems, Process Control, Graph Theory, Algorithms, Virtual Environment, Simulation and Simulation Software, Mathematical Modeling, Data Structures, Torque (Physics)
★ 4.8 (140) · Intermediate · Course · 1 - 4 Weeks