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.

Illinois Tech
Skills you'll gain: Responsible AI, Health Technology, Electronic Medical Record System, Health Informatics, Clinical Informatics, AI Product Strategy, Electronic Medical Record, Health Information Management and Medical Records, Patient Flow, Public Health, Public Health and Disease Prevention, Innovation, Healthcare Project Management, Patient Coordination, Artificial Intelligence, Data Analysis, Health Systems, Interoperability, Clinical Documentation, Project Management
Mixed · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Programming Principles, C (Programming Language), Computer Programming, Data Structures, Code Reusability, Computational Logic, Memory Management, Program Development
★ 4.8 (370) · Mixed · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Scientific Methods, Science and Research, Research, Experimentation, Research Methodologies, Data Collection, Peer Review, Public Affairs, Simulations, Ethical Standards And Conduct
★ 4.7 (257) · Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Product Lifecycle Management, Performance Measurement, Manufacturing Operations, Supply Chain Management, Manufacturing and Production, Supply Chain Planning, Operations Management, Enterprise Resource Planning, Production Planning, Material Requirements Planning, Production Management, Data Integration, Business Process Management, Data Collection, Digital Transformation, Data Security, Data Management, Decision Making
★ 4.6 (643) · Beginner · Course · 1 - 4 Weeks

Saïd Business School, University of Oxford
Skills you'll gain: Risking, Machine Learning Methods, FinTech, Financial Inclusion, Financial Services, Responsible AI, Data Ethics, Artificial Intelligence, Data Sharing, Financial Regulation, Financial Systems, Data Governance, Application Programming Interface (API), Financial Data, Finance, Artificial Intelligence and Machine Learning (AI/ML), Business Ethics, Innovation, General Data Protection Regulation (GDPR), Natural Language Processing
★ 4.7 (101) · Beginner · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Digital Design, digital literacy, Infographics, Content Creation, Graphic Design, Digital Publishing, Creative Design, Visual Design, Brainstorming, Planning, Information Management, Research, Literacy, Lifelong Learning, Critical Thinking, Investigation, Multimedia, Open Source Technology, Document Management, Intellectual Property
★ 4.8 (344) · Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: SQL, Data Validation, Data Access, Query Languages, Data Analysis, Google Analytics
★ 4.8 (6) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, ChatGPT, OpenAI API, No-Code Development, Microsoft Power Automate/Flow, OpenAI, Serverless Computing, LLM Application, Cloud Deployment, Microsoft Power Platform, AI Integrations, Microsoft Azure, Generative AI, Project Design, Large Language Modeling, Application Development, Microsoft Teams, Meal Planning And Preparation, Development Environment
★ 5 (11) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Conversion Funnel Analysis, Dashboard Creation, Data Storytelling, Marketing Budgets, Looker (Software), Customer Retention, SQL, Data Visualization, Marketing Analytics, Customer Insights, Tableau Software, Statistical Analysis, Predictive Analytics, Business Intelligence, Data Analysis, Time Series Analysis and Forecasting, Data-Driven Decision-Making, R Programming, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Job Control Language (JCL), z/OS, Unix, IBM DB2, Database Management Systems, Mainframe Computing, Unix Shell, Operating System Administration, System Programming, Operating Systems, Unix Commands, System Software, Mainframe Technologies, Data Management, Data Storage Technologies, File Systems, Data Storage, System Configuration, File Management, Transaction Processing
★ 4.8 (378) · Intermediate · Course · 1 - 4 Weeks

Erasmus University Rotterdam
Skills you'll gain: Economics, Policy, and Social Studies, Economics, Economic Development, Socioeconomics, Sustainable Development, Policy Analysis, Financial Policy, Data Analysis, Tax, Environmental Issue, International Relations, Environment and Resource Management, International Finance, Investments, Policy Development, Data Literacy, Data Collection
★ 4.6 (90) · Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Probability, Simulations, Probability Distribution, Statistical Methods, Probability & Statistics, Sampling (Statistics), Interactive Data Visualization, Correlation Analysis, Mathematical Theory & Analysis, Applied Mathematics, Integral Calculus
★ 4.5 (105) · Mixed · Course · 1 - 3 Months