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.

Meta
Skills you'll gain: Full-Stack Web Development, Front-End Web Development, Django (Web Framework), Web Design and Development, Scalability, HTML and CSS, Cloud Hosting, Responsive Web Design, Web Development, Web Applications, Cloud Deployment, Back-End Web Development, MySQL, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Cloud Computing, Application Programming Interface (API), Restful API, Virtual Environment, Javascript
★ 4.6 (237) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Product Strategy, Product Improvement, Customer Insights, Customer Analysis, Generative AI, Customer Data Management, Data-Driven Marketing, Analytics, Data Analysis, Business Reporting, Data Literacy, Data Collection, Performance Metric
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Analytics, Business Intelligence, Predictive Modeling, Google Analytics, Customer Analysis, Analytics, Model Evaluation, Predictive Analytics, Customer Insights, Data Validation, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Generative AI Agents, Generative AI, Software Design Documents, Software Design, AI Integrations, Software Architecture, Agentic Workflows, Continuous Integration, Software Development, Prompt Patterns, LLM Application, Application Security, Software Engineering, Code Review, Debugging, DevSecOps
★ 4.5 (248) · Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Network Security, Network Support, Network Protocols, TCP/IP, Cloud Computing, Firewall, Cloud Services, General Networking, Networking Hardware, Network Architecture, OSI Models, Microsoft Azure, Computer Networking, Network Infrastructure, Network Monitoring, Software As A Service, Virtualization, Microsoft Servers
★ 4.8 (333) · Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Predictive Modeling, Statistical Modeling, Statistical Machine Learning, Predictive Analytics, Statistical Methods, Data Analysis, Analytics, Applied Machine Learning, Business Analytics, Machine Learning Methods, Statistical Analysis, Machine Learning, Scikit Learn (Machine Learning Library), Model Training, Data Preprocessing, Model Optimization, Python Programming, Data Manipulation, Pandas (Python Package), NumPy
Intermediate · Course · 1 - 3 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

University of California, Irvine
Skills you'll gain: Financial Statement Analysis, Cash Management, Financial Statements, Financial Analysis, Budgeting, Budget Management, Financial Acumen, Financial Forecasting, Cash Flows, Working Capital, Forecasting, Cash Flow Forecasting, Financial Accounting, Financial Data, Finance, Financial Management, Accounting, Corporate Finance
★ 4.7 (709) · Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Data Science, Data Literacy, Organizational Effectiveness, Project Design, Statistics, Machine Learning
Mixed · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Digital Assets, Digital Transformation, Case Studies, digital literacy, Business Modeling, Production Process, Systems Architecture, Manufacturing Processes, Process Optimization, Predictive Modeling
★ 4.1 (466) · Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Infectious Diseases, Environmental Science, Infection Control, Natural Resource Management, Epidemiology, Environmental Resource Management, Environment, Public Health and Disease Prevention, Sustainable Systems, Health Promotion, Social Determinants Of Health, Sustainable Development, Public Health, Environment Health And Safety, Health Disparities, Climate Change Adaptation, Health Policy, Nutrition and Diet, Data Collection
★ 4.7 (367) · Intermediate · Course · 1 - 3 Months

Erasmus University Rotterdam
Skills you'll gain: Email Security, Human Factors (Security), Cyber Security Policies, Cybersecurity, Cyber Attacks, Security Awareness, Cyber Risk, Computer Security Awareness Training, Threat Management, Patient Safety, Malware Protection, Security Controls, Encryption, Health Technology, Data Security, Information Privacy
★ 4.6 (400) · Beginner · Course · 1 - 3 Months