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.

University of Colorado Boulder
Skills you'll gain: Semiconductors, Power Electronics, Electronic Components, Electronic Systems, Electronics Engineering, Electronics, Electrical Power, Electrical Engineering, Electric Power Systems, Thermal Management, Simulation and Simulation Software
★ 3.5 (8) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Amazon Redshift, Cloud Hosting, Amazon DynamoDB, Cloud Services, Cloud Engineering, Cloud Infrastructure, Cloud Storage, Database Administration, Cloud Deployment, Cloud Computing Architecture, Databases, Network Planning And Design, Virtual Networking, Servers, Database Management, Network Infrastructure, Cloud Security
★ 4.4 (17) · Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Climate Change Adaptation, Supply And Demand, Sustainable Development, Market Dynamics, International Relations, Climate Change Mitigation, Economics, Environmental Issue, Environmental Regulations, Environmental Policy, Socioeconomics, Economics, Policy, and Social Studies, Mathematical Modeling, Tax Laws, Applied Mathematics, Social Impact, Public Policies, Game Theory, Cost Benefit Analysis, Big Data
★ 4.2 (33) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Modeling, Financial Analysis, Working Capital, Business Valuation, Financial Forecasting, Dashboard, Dashboard Creation, Financial Data, Feature Engineering, Model Evaluation, Applied Machine Learning, Statistical Machine Learning, Forecasting, Real Time Data, Power BI, Extract, Transform, Load, Tableau Software, Finance
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Incident Response, Computer Security Incident Management, Zero Trust Network Access, Cloud Computing Architecture, Authentications, Endpoint Detection and Response, Risk Analysis, Network Security, Compliance Training, Risk Mitigation, Risk Management Framework, Cyber Governance, Regulatory Compliance, Cloud Computing, Data Security, Application Security, Cyber Risk, Information Systems Security, Risk Management
★ 4.9 (14) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Security Controls, Threat Management, Cybersecurity, Threat Detection, Zero Trust Network Access, Cyber Attacks, Authentications, Application Security, Cyber Risk, Information Systems Security, Data Security, Encryption, Multi-Factor Authentication, Cryptography, Authorization (Computing), Identity and Access Management
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Performance Tuning, Python Programming, OS Process Management, Scalability, Web Scraping, Database Management
★ 3.9 (12) · Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Business Logic, SAP Applications, Unit Testing, Restful API, Application Deployment, Behavior-Driven Development, Full-Stack Web Development, Test Script Development, Application Development, Development Testing, Web Applications, Enterprise Application Management, Application Frameworks, Software Architecture, Enterprise Architecture, UI Components, Data Modeling, Database Development
★ 3.2 (11) · Advanced · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Email Automation, Calendar Management, Organizational Skills, ChatGPT, AI literacy, Data Integration, Generative AI, Agentic Workflows, Business Process Automation, Automation
★ 5 (10) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: CI/CD, MLOps (Machine Learning Operations), Apache Airflow, Google Cloud Platform, Data Pipelines, Model Deployment, Tensorflow, Continuous Deployment, AI Workflows, Metadata Management, Model Training, Model Optimization, AI Orchestration, Data Preprocessing, Model Evaluation
Advanced · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Responsible AI, AI Security, Data Ethics, AI literacy, Generative AI, Regulatory Compliance, Data Security, Law, Regulation, and Compliance, Artificial Intelligence, Decision Intelligence, Risk Management, Risk Mitigation, Risk Analysis, Algorithms
★ 4.9 (12) · Beginner · Course · 1 - 4 Weeks