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.

Yonsei University
Skills you'll gain: Business Marketing, Hospitality Management, Peer Review, Global Marketing, Marketing, Hospitality and Food Services, Hospitality, Brand Management, B2B Sales, Customer Service, Branding, Innovation, Guest Relations, Customer experience strategy (CX), Marketing Management, Promotional Strategies, Customer Relationship Management, Diversity Marketing, Growth Strategies, Digital Marketing
Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Statistical Inference, Regression Analysis, R Programming, Statistical Methods, Statistical Analysis, Statistical Modeling, R (Software), Statistical Software, Data Science, Correlation Analysis, Data Analysis, Probability & Statistics, Linear Algebra
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Competitive Analysis, Market Research, User Story, User Interface (UI), Competitive Intelligence, User Interface and User Experience (UI/UX) Design, Usability, Persona Development, Microsoft Copilot, Product Development, Market Analysis, UI/UX Strategy, New Product Development, Product Management, Product Lifecycle Management, Product Roadmaps, Data Ethics, Law, Regulation, and Compliance, Responsible AI, Data Governance
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: NoSQL, Operational Databases, Database Administration, Database Design, Database Architecture and Administration, Database Management, Data Migration, Google Cloud Platform, Scalability, Performance Tuning, Distributed Computing, Cloud Storage, Data Access, Cloud Security, Data Storage, Capacity Management, IT Automation, Disaster Recovery, Cloud Deployment, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Large Language Modeling, Prompt Engineering, LLM Application, Artificial Intelligence, Jupyter, Python Programming, Data Analysis, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, AI Integrations, Data Literacy, Application Development, Scripting, Programming Principles, Automation, Computer Programming, Application Programming Interface (API), Package and Software Management, Data Structures
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Big Data, R (Software), Data Mining, Data-Driven Decision-Making, Data Visualization, Data Strategy, FinTech, Data Engineering, Data Visualization Software, Plot (Graphics), Deep Learning, Statistical Visualization, Machine Learning Methods, R Programming, Predictive Analytics, Analytics, Applied Machine Learning, Financial Market, Data Analysis, Digital Transformation
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Mammography, Model Evaluation, Model Training, Artificial Intelligence, Bayesian Network, Image Analysis, AI Product Strategy, Machine Learning Methods, Oncology, Artificial Neural Networks, Medical Imaging, Machine Learning, Applied Machine Learning, Deep Learning, Epidemiology
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Prompt Engineering, Responsible AI, LLM Application, Large Language Modeling, HR Tech, Human Resources, AI Enablement, Information Privacy, Human Resource Policies, Personally Identifiable Information, Governance, AI Integrations, Employee Surveys, Interviewing Skills, Recruitment, Employee Onboarding, Employee Engagement, Talent Acquisition, Compliance Management, Diversity and Inclusion
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Apache Airflow, Docker (Software), Git (Version Control System), SQL, Data Pipelines, Containerization, CI/CD, Debugging, Ansible, Database Management, Continuous Deployment, Performance Tuning, Infrastructure as Code (IaC), Continuous Integration, Workflow Management, DevOps, Automation, Configuration Management, Root Cause Analysis, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Scikit Learn (Machine Learning Library), Predictive Modeling, Regression Analysis, Machine Learning Algorithms, Applied Machine Learning, Predictive Analytics, Python Programming, Classification Algorithms, Model Training, Machine Learning, Data Analysis
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Docs, Gmail, Google Sheets, Google Workspace, Presentations, Calendar Management, File Management, Spreadsheet Software, Productivity Software, Email Security, Email Automation, Collaborative Software, Excel Formulas, Data Visualization, Data Validation, Document Management, Setting Appointments, Meeting Facilitation, Sales Presentations, Version Control
Beginner · Specialization · 3 - 6 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Bioinformatics, Data Analysis Software, Data Processing, Data Analysis, Data Literacy, Metadata Management, R Programming
Intermediate · Course · 1 - 3 Months