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 System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, User Provisioning, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Software Installation, Role-Based Access Control (RBAC), Server Administration, Encryption, Network Planning And Design, Network Performance Management, Computer Networking
★ 4.7 (678) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Android Development, Android (Operating System), Mobile Development, Software Design, User Interface (UI) Design, Java Programming, Data Access, Data Persistence, Service Management
★ 4.3 (411) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Prompt Engineering, Presentations, Prompt Engineering Tools, Document Management, Graphic and Visual Design, AI Integrations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Object-Relational Mapping, Database Application, SQL, Cloud Deployment, Bootstrap (Front-End Framework), Relational Databases, Database Management, Database Design, Full-Stack Web Development, Databases, Database Management Systems, Cloud Applications, Web Applications, Application Deployment, Authentications, UI Components, Model View Controller, Application Development, Query Languages
★ 4.6 (356) · Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Market, Capital Budgeting, Financial Management, Finance, General Finance, Investments, Securities (Finance), Equities, Capital Markets, Decision Making, Return On Investment, Market Data, Risk Management, Cash Flows, Risk Analysis
★ 4.6 (97) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft PowerPoint, Presentations, Data Visualization, Driving engagement, Drive Engagement, Productivity Software, Editing, Graphic Design, Business Communication
★ 4.5 (324) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsible AI, AI Product Strategy, Data Ethics, AI Enablement, Hybrid Cloud Computing, Business Leadership, Data Management, Generative AI, Law, Regulation, and Compliance, Data Strategy, Cloud Infrastructure, Return On Investment, AI Integrations, Model Deployment, Artificial Intelligence, Talent Management
★ 4.8 (132) · Beginner · Course · 1 - 4 Weeks
The Hong Kong University of Science and Technology
Skills you'll gain: Market Liquidity, Analysis, Financial Policy, Economics, Market Data, International Finance, Financial Systems, Financial Market, Market Dynamics, Supply And Demand, Policy Development, Finance
★ 4.8 (340) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, Product Improvement, Customer Insights, Customer Analysis, Generative AI, Customer Data Management, Data-Driven Marketing, Analytics, Data Analysis, Business Reporting, Data Literacy, Data Collection, Performance Metric
Intermediate · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Oral Expression, Presentations, Technical Communication, Verbal Communication Skills, Public Speaking, Infographics, Interactive Data Visualization, Persuasive Communication, Communication Strategies, Communication, Verbal Strategic Communication, Non-Verbal Communication, Graphic and Visual Design, Stress Management
★ 4.6 (267) · Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Dataflow, Tensorflow, Data Transformation, Applied Machine Learning, Keras (Neural Network Library), Data Store, Machine Learning, Statistical Methods
★ 4.5 (15) · Intermediate · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: 3D Assets, Ancient History, 3D Modeling, Visualization (Computer Graphics), Public History, Digital Publishing, Scientific Methods, Data Sharing, Anthropology, Data Modeling, Cultural Diversity, Case Studies, Cultural Sensitivity, Liberal Arts, Research, Data Management, Data Collection, Semantic Web
★ 4.4 (310) · Mixed · Course · 1 - 3 Months