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.

Skills you'll gain: Generative AI, Generative Model Architectures, Database Design, Data Pipelines, Query Languages, Extract, Transform, Load, Responsible AI, Data Warehousing, Data Ethics, Data Infrastructure, Data Architecture, Data Mining, Data Synthesis, Data Analysis, Data Quality, Convolutional Neural Networks
★ 4.5 (71) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Product Lifecycle Management, Product Strategy, Product Management, Product Marketing, New Product Development, Case Studies, Team Oriented, Customer Insights, Market Data, Organizational Leadership, Market Research, Initiative and Leadership, Data-Driven Decision-Making, Cross-Functional Collaboration, Digital Media Strategy, Communication, Strategic Thinking, Innovation, Market Analysis, Data Analysis
★ 3.9 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data Visualization Software, Data Presentation, Interactive Data Visualization, Data Storytelling, Microsoft Office
★ 4.8 (29) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle Databases, Oracle SQL Developer, Performance Tuning, Database Management, Data Maintenance, Database Architecture and Administration, Database Administration, Data Migration, Relational Databases, Database Design, Patch Management, Data Integrity, Data Import/Export, User Accounts, User Provisioning, Disaster Recovery, Transaction Processing
Mixed · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Data Literacy, Data Ethics, Data-Driven Decision-Making, Analytics, Root Cause Analysis, Lean Methodologies, Six Sigma Methodology, Data Analysis, Operational Excellence, Case Studies, Lean Six Sigma, ISO 9000 Series, Lean Manufacturing, Quality Improvement, Process Improvement, Decision Making, Quality Management Systems, Data Security, Internet Of Things
★ 4.6 (155) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, Unstructured Data, LLM Application, Large Language Modeling, Data Preprocessing, Metadata Management, Data Processing, JSON, Image Analysis, Data Transformation, Document Management, Vision Transformer (ViT)
★ 4.3 (17) · Beginner · Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: Data Strategy, Data Ethics, Data Sharing, Customer Data Management, Market Opportunities, Data Governance, Data Management, Data-Driven Decision-Making, Data Literacy, Advertising, Strategic Thinking, Personalized Service, Business Transformation, Innovation, Business Modeling
★ 4.9 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Visualization Software, Dashboard Creation, Dashboard, Data Analysis, Advanced Analytics, Interactive Data Visualization, Data Manipulation, Data Presentation, Data Transformation, Data Sharing, Embeddings
★ 4.9 (18) · Advanced · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Dashboard Creation, Dashboard, Excel Macros, Microsoft 365, Pivot Tables And Charts, Data Visualization, Generative AI Agents, Data Analysis, Generative AI, AI Integrations, Artificial Intelligence, Workflow Management, Productivity, Automation, Customer Data Management, Data Management, Leadership Development
★ 4.8 (22) · Intermediate · Course · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Responsible AI, Data Ethics, AI literacy, Debugging, Data Transformation, Generative AI, Prompt Patterns, Data Preprocessing, Analytics, AI Integrations, AI Workflows, Data Analysis, Data Cleansing, Excel Formulas, Data Manipulation, Code Review, Model Optimization, Data Analysis Software, SQL
★ 4.6 (13) · Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Medical Privacy, Health Informatics, Health Information Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Digital Transformation, Health Systems, Health Administration, Health Technology, Health Care, Health Care Procedure and Regulation, Emerging Technologies, Information Privacy, Data Management, Technology Strategies, Cybersecurity, Data Security, Security Strategy, Innovation, Data Integration
★ 4.9 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Plot (Graphics), Prompt Engineering Tools, Large Language Modeling, Text Mining, Retrieval-Augmented Generation, Model Optimization, Data Visualization Software, Fine-tuning, Unstructured Data, Data Processing, Data Analysis
★ 5 (8) · Intermediate · Course · 1 - 4 Weeks