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.

LearnKartS
Skills you'll gain: Git (Version Control System), GitHub, Version Control, Software Versioning, Software Configuration Management, Collaborative Software, IntelliJ IDEA, Integrated Development Environments, Software Development, Software Installation, Devops Tools, Software Development Tools, Microsoft Visual Studio, Eclipse (Software), File Management, Linux, Open Source Technology, Release Management, Command-Line Interface, Authentications
★ 4.2 (34) · Beginner · Specialization · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Responsible AI, Law, Regulation, and Compliance, Data Ethics, Legal Risk, Regulation and Legal Compliance, Risk Management Framework, Artificial Intelligence, Education and Training, AI literacy, Ethical Standards And Conduct, Social Impact, Economics, Policy, and Social Studies, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, Analysis
★ 4.9 (47) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Excel Formulas, Data Analysis Software, Data Entry
★ 4.7 (106) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: OpenAI API, OpenAI, AI Integrations, Prompt Engineering, JSON, Application Programming Interface (API), Web Applications, Generative AI
★ 4.2 (20) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Control Systems, Simulation and Simulation Software, Numerical Analysis, Simulations, Engineering Analysis, Torque (Physics), Mathematical Modeling, Applied Mathematics
★ 4.6 (51) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Competitive Analysis, Market Research, Consumer Behaviour, Market Analysis, Customer Analysis, Product Management, Persona Development, Target Market, Data Presentation, Product Marketing, Target Audience, Data Storytelling, Market Intelligence, Report Writing, Research Reports, Market Opportunities, User Research, Competitive Intelligence, Data Analysis, Critical Thinking
★ 4.6 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Docker (Software), Network Troubleshooting, Containerization, Cloud Infrastructure, Application Deployment, Scalability, Virtual Networking, Role-Based Access Control (RBAC), Network Monitoring, System Monitoring, Configuration Management, Software Installation, Data Persistence
★ 3.2 (12) · Intermediate · Course · 1 - 3 Months

École normale supérieure
Skills you'll gain: Theoretical Computer Science, Combinatorics, Algorithms, Operations Research, Graph Theory, Applied Mathematics, Model Optimization, Advanced Mathematics, Linear Algebra, Mathematical Modeling, Network Model, Probability, Probability & Statistics
★ 4.8 (46) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Dataflow, Tensorflow, Model Optimization, Data Processing, Data Pipelines, Data Transformation, Keras (Neural Network Library), Data Store, Applied Machine Learning, Real Time Data, Machine Learning
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Policy, Health Systems, Public Health, Health Administration, Research Design, Systems Analysis, Scalability, Technical Communication
★ 4.7 (42) · Intermediate · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Financial Statement Analysis, Financial Analysis, Business Planning, Financial Data, Financial Statements, Financial Acumen, Cost Estimation, Cost Management, Cost Accounting, Profit and Loss (P&L) Management, Gross Profit, Finance, Financial Reporting, Income Statement, General Finance, Financial Management, Accounting
★ 4.9 (80) · Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Adobe Illustrator, Color Theory, Graphics Software, Creative Design, Design Elements And Principles, Graphical Tools, Graphic and Visual Design, Visualization (Computer Graphics), Design Software, Data Import/Export, Typography, Graphic Design, Graphic and Visual Design Software, Adobe Creative Cloud, Digital Design, Computer Graphic Techniques
★ 4.4 (9) · Beginner · Specialization · 1 - 3 Months