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.

Skills you'll gain: AI Security, LLM Application, Open Web Application Security Project (OWASP), Application Security, Large Language Modeling, Prompt Engineering, Secure Coding, Security Testing, Personally Identifiable Information, Data Loss Prevention, Security Controls, Information Privacy, Authorization (Computing), Supply Chain Management, Data Modeling, Data Governance
Intermediate · Course · 1 - 3 Months

University of Cape Town
Skills you'll gain: Descriptive Statistics, Statistical Software, Plot (Graphics), Statistical Analysis, Statistical Visualization, Statistical Programming, Statistical Reporting, Biostatistics, Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Deep Learning, Mathematical Software, Machine Learning
★ 4.7 (52) · Beginner · Course · 1 - 4 Weeks

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
★ 4.7 (2.4K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Web Development Tools, Front-End Web Development, Web Design, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Web Content Accessibility Guidelines, Web Analytics and SEO, User Interface (UI), Software Engineering Tools, Development Testing, Data Validation, Javascript, Animations
★ 4.7 (1.9K) · Beginner · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Responsible AI, Data Ethics, Business Intelligence, Organizational Leadership, Business Analytics, Generative AI, Culture Transformation, AI Security, Data-Driven Decision-Making, Data Management, Artificial Intelligence, Natural Language Processing, Strategic Decision-Making, Analytics, Business Transformation, Predictive Modeling, Innovation, Organizational Change, Data Science, IT Service Management
★ 4.4 (30) · Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: React.js, Mobile Development, Event-Driven Programming, UI Components, Code Reusability, Front-End Web Development, Web Applications, JavaScript Frameworks, Application Development, Javascript, Hypertext Markup Language (HTML), Cascading Style Sheets (CSS), Dataflow
★ 4.7 (2.6K) · Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Debugging, Computational Thinking, Programming Principles, Data Structures, Computer Programming, Program Development, Computer Science, Python Programming, Algorithms, Code Reusability
★ 4.9 (7.5K) · Beginner · Course · 1 - 3 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

Skills you'll gain: Tensorflow, Convolutional Neural Networks, Applied Machine Learning, Image Analysis, Python Programming, Jupyter, Artificial Neural Networks, Deep Learning, Software Visualization, Machine Learning
★ 4.4 (84) · Intermediate · Guided Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Computing, Cloud Solutions, Public Cloud, Cloud Engineering, Cloud Infrastructure, Cloud Platforms, Amazon Elastic Compute Cloud, Cloud Services, Cloud Computing Architecture, Cloud Management, Serverless Computing, Cloud Deployment, Cloud Security, Cloud Storage, Security Controls, Databases, Database Systems, Virtual Networking, Data Storage
★ 4.8 (2.1K) · Beginner · Course · 3 - 6 Months

Berklee
Skills you'll gain: Post-Production, Music, Musical Composition, Peer Review, Media Production, Music Performance, Creativity, Instrumental Music, Automation, Editing, File Management, Writing, Digital Signal Processing, Timelines, Coordination, Data Import/Export, Digital Communications, Electronic Media
★ 4.8 (3.1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative Adversarial Networks (GANs), Generative Model Architectures, Retrieval-Augmented Generation, Generative AI, Autoencoders, ChatGPT, Model Training, Deep Learning, Model Evaluation, Vision Transformer (ViT), Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Large Language Modeling, Prompt Engineering, PyTorch (Machine Learning Library), Artificial Neural Networks, Image Analysis, Computer Vision, Unsupervised Learning, Natural Language Processing
★ 3.5 (14) · Beginner · Specialization · 1 - 3 Months