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 Pittsburgh
Skills you'll gain: Adaptive Equipment, Home Health Care and Assisted Living, Home Health Care, Network Protocols, Wireless Networks, Health Technology, Disabilities, Long Term Care, End User Training and Support, Self Service Technologies, Telecommunications, Internet Of Things, Patient Evaluation, Occupational Therapy, Interoperability, Human Computer Interaction, Usability, Clinical Assessment, Patient-centered Care, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Back-End Web Development, PostgreSQL, Server Side, Database Development, Python Programming, Restful API, SQL, API Design, Object-Relational Mapping, Application Programming Interface (API), Database Systems, Database Management, Model Deployment, Data Validation, Development Environment
Intermediate · Course · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Ideation, Innovation, Design Thinking, User Research, AI powered creativity, Design Research, Generative AI, Competitive Analysis, User Experience Design, Journey Mapping, AI literacy, Human Centered Design, Data Ethics, Responsible AI, Artificial Intelligence, Problem Solving, Data Collection, Data Synthesis, Critical Thinking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: z/OS, Package and Software Management, Mainframe Computing, Mainframe Technologies, Patch Management, Software Configuration Management, Software Installation, File Transfer Protocol (FTP), Configuration Management, Problem Management, Debugging, Change Control, Dependency Analysis, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, Autodesk Maya, Visualization (Computer Graphics), 3D Assets, Autodesk, Layout Design, Computer Graphics, Computer Graphic Techniques, Image Quality, Design Software, Functional Design, Design, Simulations, Design Elements And Principles
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Collaborative Software, Productivity Software, Telecommuting, Virtual Teams, Team Building, Organizational Skills, User Accounts, Brainstorming, Data Visualization, Business Strategy
Beginner · Guided Project · Less Than 2 Hours

Universidad de Palermo
Skills you'll gain: Eclipse (Software), Java, Java Programming, Object Oriented Programming (OOP), Integrated Development Environments, Data Structures, File I/O, Programming Principles, Algorithms, Computer Programming, Software Development Tools, Computational Thinking, Software Development
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Software Quality Assurance, Quality Assurance, Software Testing, Test Tools, Jira (Software), Development Testing, Regression Testing, Functional Testing, Software Quality (SQA/SQC), Test Planning, Test Case, Technical Communication, Issue Tracking, Agile Methodology, Software Development, Agile Project Management, Risk Management, User Interface and User Experience (UI/UX) Design, Data Analysis, Problem Solving
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Frontend Integration, Data Access
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Multimodal Prompts, Gemini, Prompt Engineering, Google Gemini, Prompt Patterns, LLM Application, Tool Calling, Large Language Modeling, Token Optimization, Application Programming Interface (API), Image Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Portfolio Risk, Securities (Finance), Data Analysis, International Finance
Beginner · Course · 1 - 4 Weeks

University of Virginia
Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Marketing Effectiveness, Customer Analysis, Marketing Planning, Customer Insights, Marketing Strategies, Marketing, Data-Driven Decision-Making, Brand Management, Analytics, Branding, Campaign Planning, Customer Retention, A/B Testing, Regression Analysis, Consumer Behaviour, Predictive Analytics, Return On Investment
Beginner · Course · 1 - 3 Months