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.

Edureka
Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Generative AI Agents, LLM Application, AI Workflows, AI Orchestration, Agentic Workflows, GitHub Copilot, AI Enablement, AI Security, Prompt Engineering, Code Review, Prompt Patterns, Software Development, Web Applications, Software Testing, Security Testing, Software Engineering, Web Development
★ 4.7 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Management Accounting, Inventory Control, Inventory Management, Inventory Management System, Cost Accounting, Profit and Loss (P&L) Management, Cost Control, Cost Estimation, Operational Performance Management, Accounting, Statistical Methods, Estimation, Cost Management, Process Analysis, Strategic Decision-Making, Account Management, Probability & Statistics, Microsoft Excel, Decision Making, Correlation Analysis
Mixed · Course · 1 - 3 Months
Madecraft
Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, Generative AI, Responsible AI, Large Language Modeling, AI Personalization, Brand Strategy, Business Process Automation, MarTech, AI Enablement, Marketing, AI literacy, Artificial Intelligence and Machine Learning (AI/ML), Business Solutions, AI Workflows, Digital Marketing, Automation, Content Creation, Data Ethics, Customer Engagement
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Value Propositions, Marketing Strategies, Digital Marketing, Target Audience, Marketing Effectiveness, Strategic Marketing, Digital Marketing Campaigns, Digital Media Strategy, Marketing Budgets, Content Marketing, Search Engine Marketing, Email Marketing, Search Engine Optimization, Marketing Analytics, Journey Mapping, Lead Generation, Key Performance Indicators (KPIs), Marketing Communications, Return On Investment, A/B Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Computer Vision, Convolutional Neural Networks, Image Analysis, Transfer Learning, Model Training, Fine-tuning, Matlab, Artificial Neural Networks, Deep Learning, Applied Machine Learning, Classification Algorithms, Predictive Modeling, Performance Tuning
★ 4.9 (19) · Beginner · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Political Sciences, International Relations, Economics, Policy, and Social Studies, Sustainable Development, Socioeconomics, Social Sciences, Economic Development, Governance, Policty Analysis, Research, and Development, Economics, Public Policies, Community Development, Cultural Diversity, Sociology, Analysis
★ 4.7 (391) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Key Management, Security Management, Cyber Attacks, Cryptography, Cyber Security Policies, Cybersecurity, Encryption, Cyber Risk, ISO/IEC 27001, Threat Management, Risk Management Framework, Security Controls, Data Integrity
★ 4.7 (317) · Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: MLOps (Machine Learning Operations), Generative Model Architectures, Applied Machine Learning, Generative AI, Model Deployment, Google Cloud Platform, Model Training, Artificial Intelligence, Machine Learning, User Interface (UI), Cloud Computing, Complex Problem Solving, Critical Thinking
★ 4.2 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Javascript, Code Reusability, Web Development, Web Design and Development, Application Programming Interface (API), Web Applications, API Testing, Debugging
Beginner · Course · 1 - 3 Months

Skills you'll gain: Feature Engineering, Data Cleansing, Data Visualization, Data Preprocessing, Logistic Regression, Model Training, Predictive Modeling, Statistical Machine Learning, Applied Machine Learning, Data Processing, Scikit Learn (Machine Learning Library), Supervised Learning, Machine Learning, Machine Learning Methods, Model Evaluation, Classification Algorithms, Data Science, Python Programming
★ 4.8 (19) · Beginner · 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
★ 4.6 (613) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Google Workspace, Editing, Vocabulary, Persuasive Communication
Beginner · Course · 1 - 4 Weeks