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.

Vanderbilt University
Skills you'll gain: AI powered creativity, ChatGPT, Generative AI, AI literacy, Image Analysis, Organizational Skills, Computer Vision, Multimodal Prompts, Email Automation, Artificial Intelligence, Prompt Engineering, Cooking
★ 4.8 (250) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Cybersecurity, Cyber Threat Intelligence, Security Management, Security Awareness, Data Ethics, Data Security, Technical Communication, AI Workflows, Artificial Intelligence
★ 4.8 (6.5K) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Bash (Scripting Language), Operating Systems, File Systems, Linux Commands, Linux, SQL, Linux Administration, File Management, Unix Shell, Query Languages, Database Management, Command-Line Interface, Databases, Relational Databases, Authorization (Computing), Authentications, User Accounts
★ 4.8 (6.3K) · Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), C and C++, Go (Programming Language), File I/O, Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Programming Principles, Software Design Patterns, Debugging, Computer Programming, Unit Testing, C (Programming Language), Software Design, Program Development, Algorithms, Graph Theory, Software Testing, Code Reusability, Memory Management
★ 4.5 (9.6K) · Intermediate · Specialization · 3 - 6 Months
Macquarie University
Skills you'll gain: Excel Formulas, Microsoft Excel, Excel Macros, Data Validation, Spreadsheet Software, Data Modeling, Financial Forecasting, Predictive Modeling, Financial Modeling, Data Integrity, Visual Basic (Programming Language), Business Modeling, Automation, Data Security
★ 4.8 (8.5K) · Intermediate · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Generative AI, Large Language Modeling, Generative Model Architectures, Fine-tuning, LLM Application, Model Training, Model Deployment, Python Programming, Scalability, Model Optimization, Machine Learning, Model Evaluation, Reinforcement Learning
★ 4.8 (3.6K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Import/Export, Data Analysis, Data Visualization, Programming Principles, Python Programming
★ 4.6 (58) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Scientific Visualization, NumPy, Data Visualization, Debugging, Matplotlib, Numerical Analysis, Engineering Calculations, Code Reusability, Integrated Development Environments, Computational Thinking, Engineering Analysis, Programming Principles, Data Analysis, Computer Programming, Model Optimization
★ 4.8 (22) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon CloudWatch, Amazon Web Services, Serverless Computing, Identity and Access Management, Amazon DynamoDB, Amazon Elastic Compute Cloud, Cloud Computing, Amazon S3, Scalability, Cloud Infrastructure, Event-Driven Programming, Data Migration, Cloud Security, Cloud Storage, Cloud Management, Solution Architecture, Cloud Computing Architecture, Cloud Services, Cloud Solutions
★ 4.8 (6.9K) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Social Media Management, Social Media Content, Social Media, Social Media Marketing, Instagram, Social Media Strategy, Content Creation, Content Performance Analysis, Content Scheduling, Social Media Analytics, Drive Engagement, Generative AI Agents, Web Presence, Brand Strategy, Content Marketing, Content Management, Branding, Performance Analysis, Content Strategy, Customer Engagement
★ 4.8 (6K) · Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Exercise Science, Injury Prevention, Athletic Training, Physiology, Analytics, Data Analysis, Advanced Analytics, Data-Driven Decision-Making, Medical Equipment and Technology, Applied Machine Learning, Vital Signs, Health Technology, Python Programming, Sensory Systems Analysis, Data Integration, Data Validation, Verification And Validation
★ 4.5 (46) · Intermediate · Course · 1 - 3 Months
CertNexus
Skills you'll gain: Data Ethics, Responsible AI, Accountability Frameworks, Risk Control, Accountability, Risk Management, Risk Analysis, Business Risk Management, Information Privacy, Risk Management Framework, Risk Mitigation, Personally Identifiable Information, Safety Assurance, Safety and Security, Safety Standards, Ethical Standards And Conduct, Artificial Intelligence, Diversity and Inclusion
★ 4.5 (102) · Beginner · Course · 1 - 3 Months