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.

The Hong Kong University of Science and Technology
Skills you'll gain: Business Writing, Sales Presentation, Business Correspondence, Interviewing Skills, Business Communication, Case Studies, Business Ethics, Data Visualization, Oral Expression, Presentations, Target Audience, Report Writing, Writing, English Language, Business Analysis, Analysis, Communication Strategies, Verbal Communication Skills, Intercultural Competence, Communication
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Grafana, Visualization (Computer Graphics), Real Time Data, Computer Vision
Intermediate · Course · 1 - 3 Months

Georgia Institute of Technology
Skills you'll gain: User Experience Design, Prototyping, User Centered Design, Usability, Requirements Analysis, UI/UX Research, Interaction Design, User Interface (UI) Design, Usability Testing, User Research
Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Computational Thinking, Algorithms, Pseudocode, Problem Solving, Analytical Skills, Computer Science, Python Programming, Computer Systems, Data Structures, Computer Hardware, Computer Programming, Debugging
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: LangGraph, Generative AI Agents, Agentic systems, LangChain, Artificial Intelligence and Machine Learning (AI/ML), LLM Application, OpenAI, Systems Integration, Tool Calling, Responsible AI, Large Language Modeling, Artificial Intelligence, Prompt Engineering, Data Ethics, Restful API, Data Processing, JSON, Scalability, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Generative Model Architectures, Artificial Neural Networks, Keras (Neural Network Library), Image Analysis, PyTorch (Machine Learning Library), Deep Learning, Tensorflow, Network Architecture, Performance Tuning, Matplotlib, Jupyter, NumPy
Advanced · Course · 3 - 6 Months

University of California San Diego
Skills you'll gain: Bioinformatics, Programming Principles, Python Programming, Computational Thinking, Biology, Data Structures
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Statistical Methods, Regression Analysis, Statistical Hypothesis Testing, Statistical Modeling, Statistical Analysis, R Programming, Business Analytics, Advanced Analytics, Estimation, Probability & Statistics
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Unsupervised Learning, Supervised Learning, Regression Analysis, Applied Machine Learning, Statistical Modeling, Machine Learning Algorithms, PyTorch (Machine Learning Library), Statistical Methods, Statistical Machine Learning, Machine Learning, Predictive Analytics, Predictive Modeling, Statistical Programming, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Probability & Statistics, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Generative AI Agents, Generative AI, Health Informatics, Nurse Education, Clinical Informatics, Clinical Data Management, Healthcare Ethics, Nursing Process, Responsible AI, Nursing, Patient-centered Care, Nursing Practices, Health Care, Artificial Intelligence, Healthcare Industry Knowledge, Artificial Intelligence and Machine Learning (AI/ML), Basic Patient Care, Business Acumen, Physiology, Business
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Google Cloud Platform, Cloud Infrastructure, Infrastructure As A Service (IaaS), Cloud Computing, Cloud Services, Data Storage Technologies, Cloud Security, Databases, System Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Program Development, Data Structures, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API), File Management, Scalability, Scripting Languages
Beginner · Specialization · 3 - 6 Months