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.

LearnQuest
Skills you'll gain: Microsoft Azure, Infrastructure As A Service (IaaS), Network Administration, Network Infrastructure, Cloud Deployment, Cloud Computing, Data Storage, Cloud Management, Dashboard Creation, Cloud Platforms
★ 4.4 (512) · Beginner · Course · 1 - 3 Months

Peking University
Skills you'll gain: C (Programming Language), Object Oriented Programming (OOP), Computer Programming, Programming Principles, Data Structures, Algorithms, Memory Management
★ 4.9 (827) · Mixed · Course · 1 - 3 Months

ESSEC Business School
Skills you'll gain: Social Impact, Return On Investment, Stakeholder Engagement, Program Evaluation, Environmental Social And Corporate Governance (ESG), Sustainable Business, Philanthropy, Performance Measurement, Social Sciences, Stakeholder Analysis, Needs Assessment, Program Implementation, Surveys, Key Performance Indicators (KPIs), Performance Metric, Stakeholder Communications, Data Collection, Qualitative Research, Strategic Communication, Organizational Change
★ 4.6 (100) · Beginner · Course · 1 - 4 Weeks

Rutgers the State University of New Jersey
Skills you'll gain: Digital Transformation, Customer Engagement, Business Technologies, Customer experience improvement, Augmented and Virtual Reality (AR/VR), Business Transformation, MarTech, Technology Strategies, Customer experience strategy (CX), Business Marketing, Cross-Functional Collaboration, Internet Of Things, Emerging Technologies, Business Ethics, Responsible AI, Customer Retention, Data Ethics, Customer Relationship Management (CRM) Software, Business Leadership, Augmented Reality
★ 4.4 (455) · Intermediate · Course · 1 - 3 Months
Duke University
Skills you'll gain: Return On Investment, Accounts Receivable, Cash Flows, Accounts Payable and Receivable, Inventory Control, Financial Analysis, Cash Management, Accounts Payable, Working Capital, Business Metrics, Financial Acumen, Financial Data, Financial Statements, Performance Measurement, Capital Expenditure, Operational Efficiency, Strategic Decision-Making
★ 4.8 (88) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Optimization, Model Deployment, AI Workflows, Scikit Learn (Machine Learning Library), Model Evaluation, Data Preprocessing, Version Control
Intermediate · Course · 1 - 4 Weeks

Universidad Austral
Skills you'll gain: File I/O, Data Structures, Python Programming, JSON, File Management, Scripting, Scripting Languages, Data Import/Export, Computer Programming
★ 4.5 (425) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Transfer Learning, Model Training, Model Optimization, Image Quality, Computer Vision, Image Analysis, Data Pipelines, Data Transformation, Data Manipulation, Exploratory Data Analysis, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Marketing Effectiveness, Marketing Analytics, Campaign Management, Market Analysis, Marketing Strategies, Performance Reporting, Return On Investment, Data-Driven Marketing, Performance Measurement, Data Visualization Software, Performance Analysis, Data Ethics, Business Strategy, Marketing Channel, Go To Market Strategy, Smart Goals, Key Performance Indicators (KPIs), Cross-Channel Marketing
★ 4.6 (44) · Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, DevOps, Data Processing, Model Training, Data Collection, Data Management, Cloud Deployment, Model Evaluation, Machine Learning Methods, Automation, Data Pipelines, Feature Engineering, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Data Structures, Python Programming, Data Manipulation, Programming Principles, Quantum computing, Computer Programming, Software Installation, Computational Logic, Development Environment, Package and Software Management, Jupyter
★ 4.4 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unsupervised Learning, Generative AI, Large Language Modeling, Supervised Learning, Deep Learning, Generative Model Architectures, LLM Application, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Statistical Machine Learning, Machine Learning Algorithms, Model Training, Artificial Neural Networks, Feature Engineering, Unstructured Data, Model Evaluation, Dimensionality Reduction, Model Optimization
★ 4.7 (66) · Intermediate · Course · 1 - 3 Months