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.

Northeastern University
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization, Data Visualization Software, Visualization (Computer Graphics), Matplotlib, Plot (Graphics), Data Preprocessing, Pandas (Python Package), Data Processing, Data Cleansing, Data Integration, Big Data, Programming Principles, Python Programming
Build toward a degree
Mixed · Course · 1 - 3 Months

Peking University
Skills you'll gain: C++ (Programming Language), File I/O, Object Oriented Programming (OOP), Object Oriented Design, Computer Programming, Programming Principles, C (Programming Language), Code Reusability, Algorithms, Maintainability, Data Structures
Mixed · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Blogs, Social Media Marketing, Marketing Strategies, Social Media Strategy, Social Media, Social Media Content, Content Marketing, Social Media Analytics, Marketing Effectiveness, Digital Media Strategy, Marketing Design, Target Market, Drive Engagement, Customer Engagement, Content Creation, Multimedia, Writing
Mixed · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Data Transformation, Extract, Transform, Load, Consolidation, Microsoft Excel, Data Wrangling, Data Manipulation, Data Cleansing, Data Integration, Data Import/Export, Data Processing, Pivot Tables And Charts, Data Validation, Automation, Data Access, File Management
Beginner · Course · 1 - 3 Months
University of Minnesota
Skills you'll gain: Cybersecurity, Cyber Attacks, Cloud Computing, Cyber Security Strategy, Cloud Services, IT Management, Information Technology, Technology Solutions, Technology Strategies, IT Infrastructure, Data Security, Technical Management, Information Systems, Emerging Technologies, Innovation, Business Transformation, Blockchain
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Model Evaluation, Applied Machine Learning, Unsupervised Learning, Decision Tree Learning, Artificial Neural Networks, Machine Learning Methods, Classification Algorithms, Supervised Learning, Statistical Machine Learning, Machine Learning Algorithms, Random Forest Algorithm, Predictive Modeling, Applied Mathematics, Dimensionality Reduction, Statistics
Build toward a degree
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Django (Web Framework), Back-End Web Development, Database Application, Code Reusability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Feature Engineering, Data Preprocessing, Demand Planning, Financial Data, Predictive Modeling, Customer Demand Planning, Data-Driven Decision-Making, Exploratory Data Analysis, R Programming, Customer Analysis, Predictive Analytics, Profit and Loss (P&L) Management, Inventory and Warehousing, Analytics, Data Processing, Data Wrangling, Advanced Analytics, Machine Learning, Business
Beginner · Specialization · 1 - 3 Months

Pontificia Universidad Católica de Chile
Skills you'll gain: Transportation Operations, Transportation Management, Traffic Flow Optimization, Network Analysis, Operations Research, Systems Analysis, Policy Analysis, Network Model, Operational Analysis, Program Evaluation, Demand Planning, Mathematical Modeling, Econometrics, Markov Model, Feasibility Studies, Economics, Policy, and Social Studies, Cost Benefit Analysis, Statistical Modeling, Social Impact, Decision Making
Mixed · Course · 1 - 3 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Artificial Intelligence, Data Analysis Software, Analytics, Big Data, Data Analysis, Data Ethics, Deep Learning, Machine Learning, Statistical Analysis, Emerging Technologies, Health Technology, Internet Of Things, Natural Language Processing, Digital Transformation, Technology Solutions, Scikit Learn (Machine Learning Library), Large Language Modeling, Technology Strategies, Performance Appraisal, Agile Project Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, Business Continuity, Cryptographic Protocols, Network Security, Cryptography, Encryption, User Provisioning, Security Management, Penetration Testing, ISO/IEC 27001, Threat Management, Network Performance Management, Information Systems Security, Network Architecture, Cyber Operations, Data Management, Vulnerability Management, Software Development Methodologies, Cybersecurity, Configuration Management
Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Model Context Protocol, Token Optimization, AI Workflows, Generative AI Agents, Agentic Workflows, AI Orchestration, Context Engineering, Agentic systems, LLM Application, Prompt Patterns, AI Enablement, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Prompt Engineering Tools, Prompt Engineering, AI Personalization, ChatGPT, Multimodal Prompts, Anthropic Claude, AI Product Strategy
Beginner · Course · 1 - 3 Months