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.

Amazon Web Services
Skills you'll gain: Amazon Web Services, Data Preprocessing, Data Wrangling, Data Processing, Extract, Transform, Load, Data Architecture, Data Pipelines, Data Integration
★ 4.5 (31) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Microsoft Copilot, Competitive Analysis, Marketing Operations, Marketing Design, Marketing Strategies, Marketing Planning, Performance Reporting, Campaign Planning, Marketing Channel, Cross-Channel Marketing, Generative AI, Market Intelligence, Microsoft 365, Customer Analysis, Market Research, Artificial Intelligence, Customer experience improvement, Customer Retention
★ 4.7 (20) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Facebook, Target Market, Advertising Campaigns, Advertising Sales, Advertising, Online Advertising, Marketing, Social Media, Customer Data Management, Digital Marketing
★ 4.4 (59) · Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: SQL, Query Languages, Database Design, Performance Tuning, Database Management, Databases, PostgreSQL, Data Access
★ 3.2 (32) · Intermediate · Guided Project · Less Than 2 Hours

University of California San Diego
Skills you'll gain: Debugging, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Java, Teaching, Programming Principles, Program Development, Pedagogy, Computer Programming, Software Design, Computational Thinking, Education Software and Technology, Cultural Responsiveness, Digital pedagogy, Test Case, Computational Logic, Algorithms, Data Structures
★ 4.7 (57) · Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Program Development, Computer Programming, Data Modeling, Transaction Processing
★ 4.7 (28) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Bedrock, Cloud Computing Architecture, AI Workflows, Generative AI, Cloud Engineering, Amazon Web Services, Cloud Development, Cloud Computing, AI Orchestration, Applied Machine Learning, Cloud Deployment, AI literacy, Cloud Security, AWS Identity and Access Management (IAM), Scalability
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Autoencoders, Convolutional Neural Networks, Generative Adversarial Networks (GANs), Generative Model Architectures, Model Deployment, Model Training, Unsupervised Learning, Dimensionality Reduction, Classification Algorithms
★ 4.5 (25) · Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), C++ (Programming Language), Computer Programming, Microsoft Visual Studio, Extensible Markup Language (XML), Data Structures, Data Access, Programming Principles, Extensible Languages and XML, Database Management, .NET Framework, Java Programming, Program Development, User Interface (UI), C (Programming Language), Algorithms, UI Components, Event-Driven Programming, Network Model
★ 4.5 (53) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Generative AI, A/B Testing, Generative AI Agents, Web Content, Content Management, Campaign Management, Content Optimization, Branding, Text Mining
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Apache Airflow, Operational Databases, PostgreSQL, MySQL, Data Warehousing, Data Pipelines, Extract, Transform, Load, Database Management Systems, Database Design, Data Maintenance, SQL, Data Architecture, Performance Tuning, Disaster Recovery, Data Security, Data Transformation
★ 4.7 (16) · Advanced · Course · 1 - 3 Months
Skills you'll gain: Vue.JS, HTML and CSS, Hypertext Markup Language (HTML), Web Applications, JavaScript Frameworks, Application Development, Front-End Web Development, Web Design and Development, Cascading Style Sheets (CSS), Web Components, Javascript, Data Persistence
★ 4.2 (45) · Beginner · Course · 1 - 4 Weeks