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.

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Scalability, Distributed Computing, Dataflow, Event-Driven Programming, Microservices, System Design and Implementation, Software Architecture, Data Pipelines, Software Design Patterns, Software Design, Functional Design, Cloud Computing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Patient Communication, Patient Education and Support, Constructive Feedback, Resilience, Emotional Intelligence, Compassion, Patient Education And Counseling, Patient-centered Care, Empathy, Employee Engagement, Telehealth, Interpersonal Communications, Self-Awareness, Active Listening, Communication, Data Analysis, Cultural Sensitivity, Quality Improvement, Leadership and Management, Continuous Improvement Process
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Frontend Integration, Restful API, Full-Stack Web Development, React.js, Application Programming Interface (API), Web Services, Spring Boot, Front-End Web Development, Web Applications, MongoDB, UI Components, NoSQL, Data Persistence, Data Access
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Keras (Neural Network Library), Convolutional Neural Networks, Transfer Learning, Model Evaluation, Image Analysis, Model Optimization, Model Training, Fine-tuning, Computer Vision, Deep Learning, Data Preprocessing, Jupyter
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Research Design, Science and Research, Laboratory Research, Research Methodologies, Sensory Systems Analysis, Statistical Analysis, Psychological Evaluations, Data Analysis, Data Collection, Neurology, Psychology, Physiology, Image Analysis, Medical Imaging, Statistical Hypothesis Testing, Statistical Inference
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Predictive Analytics, Regression Analysis, Predictive Modeling, Machine Learning, Forecasting, Machine Learning Algorithms, Case Studies, Algorithms
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Problem Solving, Root Cause Analysis, Data Collection
Mixed · Course · 1 - 4 Weeks

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

Coursera
Skills you'll gain: Simulation and Simulation Software, Simulations, Microbiology, Network Model, Biology, Programming Principles, Mathematical Modeling, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Key Performance Indicators (KPIs), Data Presentation, Data Analysis Expressions (DAX), Data Integration, Spreadsheet Software, Excel Formulas, Performance Measurement, Data Visualization, Excel Macros, Business Intelligence, Microsoft Office, Microsoft 365, Productivity Software, Data Entry, File Management, Document Management, Data Management, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: AI Workflows, Prompt Engineering Tools, Agentic Workflows, Deepseek, Automation, Agentic systems, AI Integrations, Memory Management
Intermediate · Course · 3 - 6 Months
Skills you'll gain: Regulatory Compliance, Compliance Management, Compliance Training, Responsible AI, Regulatory Requirements, Law, Regulation, and Compliance, Generative AI, Data Ethics, Governance, AI literacy, Internal Controls, Risk Analysis, Ethical Standards And Conduct
Intermediate · Course · 1 - 4 Weeks