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.

Università di Napoli Federico II
Skills you'll gain: Interactive Data Visualization, Dashboard, Data Storytelling, Peer Review, Data Presentation, Tableau Software, Data Visualization Software, Business Intelligence, Data Preprocessing, Data Sharing, Business Analytics, Data Transformation, Data Cleansing
Advanced · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Web Analytics, Google Analytics, Social Media, Search Engine Marketing, Social Media Marketing, Marketing Analytics, Market Research, Digital Marketing, Marketing Effectiveness, Content Performance Analysis, Analytical Skills, Online Advertising, Social Media Strategy, Email Marketing, Customer Data Management, Analytics, Target Audience, Key Performance Indicators (KPIs), Social Network Analysis, Facebook
Intermediate · Specialization · 1 - 3 Months
University of Michigan
Skills you'll gain: Ajax, jQuery, JSON, Django (Web Framework), Web Applications, Javascript, Debugging, Database Design, Data Modeling, User Accounts, Object Oriented Programming (OOP), Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Image Analysis, Image Quality, Matlab, Computer Vision, Traffic Flow Optimization, Automation, Digital Signal Processing, Anomaly Detection, Spatial Data Analysis, Geospatial Information and Technology, Medical Imaging, Spatial Analysis, Data Preprocessing, Quantitative Research, Algorithms, Data Store
Beginner · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Dashboard, Data Entry, Productivity Software, Business Reporting, Data Cleansing, Data Visualization, Data Management, Analytics, Data Validation
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Model View Controller, Software Architecture, Hypertext Markup Language (HTML), UI Components, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Supervised Learning, Data Modeling, Unsupervised Learning, Applied Machine Learning, Data Analysis, Regression Analysis, Classification Algorithms, Classification And Regression Tree (CART), Machine Learning Algorithms, Machine Learning, Decision Tree Learning, Predictive Analytics, Logistic Regression, Random Forest Algorithm, Bayesian Statistics
Beginner · Course · 1 - 4 Weeks

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

Board Infinity
Skills you'll gain: Responsible AI, HR Tech, Employee Engagement, Human Resources, Generative AI, Data Ethics, Talent Recruitment, Talent Acquisition, Human Resource Strategy, Recruitment, Trend Analysis, Employee Training, Employee Retention, Data-Driven Decision-Making, Workforce Development, Workforce Planning
Beginner · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: Software Documentation, Object Oriented Design, Unified Modeling Language, Relational Databases, Object-Relational Mapping, Software Design, Test Driven Development (TDD), Database Management, Unit Testing, Object Oriented Programming (OOP), Database Design, SQL, Debugging, Data Structures, Python Programming, JSON, File Management, Computer Programming, Programming Principles, Software Installation
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Security, Risk Management Framework, Data Security, DevSecOps, Personally Identifiable Information, Cloud Management, Security Management, ISO/IEC 27001, NIST 800-53, Infrastructure as Code (IaC), Cyber Security Policies, Security Controls, Google Cloud Platform, Cybersecurity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Large Language Modeling, LLM Application, Retrieval-Augmented Generation, ChatGPT, Natural Language Processing, Generative AI Agents, OpenAI API, Model Deployment, Embeddings, Transfer Learning, Generative Model Architectures, Multimodal Prompts, Generative AI, Cloud Deployment, Responsible AI, Artificial Intelligence and Machine Learning (AI/ML), AI Personalization, Cost Management, Machine Learning
Intermediate · Specialization · 1 - 4 Weeks