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.

Meta
Skills you'll gain: Jest (JavaScript Testing Framework), React.js, Web Development Tools, JavaScript Frameworks, Code Reusability, Application Programming Interface (API), Unit Testing, UI Components, Front-End Web Development, Software Design Patterns, Javascript, Development Environment, Context Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Hardware Architecture, Computer Hardware, Database Management, Relational Databases, Computer Systems, Databases, Computer Architecture, Cybersecurity, Operating Systems, Cyber Attacks, SQL, TCP/IP, Information Technology, Database Systems, General Networking, Information Systems Security, Cyber Security Policies, Networking Hardware, Security Management
Mixed · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Storytelling, Recruitment, Talent Recruitment, Recognizing Others, Professional Networking, Trustworthiness, Applicant Tracking Systems, Recruitment Strategies, Relationship Building, Team Building, Team Leadership, Team Motivation, Team Performance Management, Talent Acquisition, Team Management, Employee Coaching, Team Collaboration, Team Oriented, Talent Pipelining, Verbal Communication Skills
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Analytics
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Agentic systems, Tool Calling, Agentic Workflows, Generative AI Agents, Gemini, Google Gemini, LLM Application, AI Integrations, OpenAI, Middleware, Angular, Development Environment, Systems Architecture, Node.JS, Frontend Integration, Debugging, JSON, Data Validation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Natural Language Processing, Python Programming, Applied Machine Learning, Machine Learning Methods, Model Training, Recurrent Neural Networks (RNNs), Generative Model Architectures, Machine Learning, Deep Learning
Intermediate · Guided Project · Less Than 2 Hours

EC-Council
Skills you'll gain: Penetration Testing, Threat Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Vulnerability Assessments, Security Testing, Network Security, Cyber Security Assessment, Cybersecurity, Cloud Computing, Cyber Attacks, Brute-force attacks, Exploitation techniques, Human Factors (Security), Web Applications, Mobile Security, Internet Of Things, Wireless Networks
Beginner · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), C and C++, Object Oriented Programming (OOP), Object Oriented Design, Algorithms, C (Programming Language), Programming Principles, Computer Programming, Graph Theory, Code Reusability, Memory Management, Data Structures, File I/O
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Technical Analysis, Market Trend, Trend Analysis, Financial Market, Market Data, Portfolio Risk, Financial Trading, Portfolio Management, Risk Management, Financial Forecasting, Market Dynamics, Market Liquidity, Real Time Data, Financial Analysis, Market Analysis, Investment Management, Risk Analysis, Graphing, Verification And Validation, Probability & Statistics
Beginner · Specialization · 3 - 6 Months
University of Illinois at Urbana-Champaign
Skills you'll gain: Business Strategy, Data Visualization, Data Storytelling, Management Accounting, Model Evaluation, Fund Accounting, Operations Management, Organizational Change, Audit Planning, Mergers & Acquisitions, Financial Statement Analysis, Project Closure, Risk Management, Social Determinants Of Health, Revenue Recognition, Entrepreneurship, Financial Auditing, Data Governance, Generative AI, Supply And Demand
Credit offered
Graduate Certificate · 6 - 12 Months

John Wiley & Sons
Skills you'll gain: Environmental Monitoring, Responsible AI, Social Impact, Applied Machine Learning, Spatial Data Analysis, Data Ethics, Geospatial Information and Technology, Machine Learning, Sustainable Development, Artificial Intelligence, AI literacy, Model Training, Natural Language Processing, Spatial Analysis, Medical Imaging, Health Technology, Deep Learning, Generative AI, Data-Driven Decision-Making, Healthcare Industry Knowledge
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Network Analysis, Social Network Analysis, Network Model, Marketing Analytics, Social Media Analytics, Statistical Methods, Text Mining, Data Structures, JSON, Data Visualization Software, Data Processing, Python Programming, Feature Engineering
Build toward a degree
Intermediate · Course · 1 - 4 Weeks