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.

Arizona State University
Skills you'll gain: Research, Data Collection, Surveys, Scientific Methods, Research Methodologies, Persuasive Communication, Data Analysis, Information Management
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Policy, Health Systems, Public Health, Health Information Management, Research Design, Systems Analysis, Scalability, Technical Communication, Data Quality
Intermediate · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Package and Software Management, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Research, Scientific Methods, Data Ethics, Ethical Standards And Conduct, Informed Consent, Innovation, Technical Writing
Beginner · Course · 1 - 3 Months

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Sanitation, Environmental Engineering, Water Resource Management, Sustainable Engineering, Sustainable Technologies, Facility Management and Maintenance, Environmental Management Systems, Innovation, Cost Estimation, Data Collection
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Salesforce, Dashboard, Salesforce Development, Workflow Management, Application Deployment, Data Import/Export, Release Management, Customer Relationship Management, Configuration Management, Business Process Automation, Authentications, Version Control, Data Cleansing, Change Control, System Configuration, Role-Based Access Control (RBAC), Process Design, Continuous Deployment, Data Management, Business Logic
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Architectural Drawing, Technical Drawing, Drafting and Engineering Design, Computer-Aided Design, Architectural Design, Construction, Data Import/Export, File Management, Design
Beginner · Course · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Spatial Analysis, NoSQL, Spatial Data Analysis, Geospatial Mapping, Geographic Information Systems, Big Data, MongoDB, File Systems, Apache Hadoop, Distributed Computing, Data Architecture, Cloud Computing, Apache Spark, Public Cloud, Database Systems, Data Processing, Scalability, Databases, Environmental Monitoring, Climate Change Programs
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Responsible AI, Agentic systems, Data Ethics, Machine Learning Algorithms, Data Governance, Health Systems, Health Informatics, Artificial Intelligence, Analytics, Digital Transformation, Healthcare Industry Knowledge, Healthcare Ethics, Artificial Intelligence and Machine Learning (AI/ML), Human Factors (Security), Generative AI Agents, Machine Learning, Health Technology, Health Information Management, Information Technology, Information Systems
Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Cloud Security, Application Security, Network Security, Cloud Computing, Cybersecurity, Information Systems Security, Security Controls, Infrastructure Security, Remote Access Systems, Public Key Infrastructure, Cryptography, Vulnerability Assessments, Virtualization, Virtual Machines, Encryption, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cybersecurity, Threat Management, Security Controls, Cyber Security Strategy, Threat Detection, Cyber Security Policies, Security Awareness, Computer Security Awareness Training, Cyber Risk, Data Security, Network Security, Enterprise Security, Information Assurance, Incident Response, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Research Methodologies, Health Policy, Research, Qualitative Research, Surveys, Community Outreach, Policty Analysis, Research, and Development, Investigation, Ethical Standards And Conduct, Data Collection, Accountability, Case Studies, Decision Making, Adaptability
Beginner · Course · 1 - 3 Months