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: CI/CD, Continuous Deployment, Microsoft Power Platform, Azure Synapse Analytics, Data Pipelines, Analytics, Data Governance, Advanced Analytics, Data Security, Data Architecture, Data Management, Data Analysis Expressions (DAX), Power BI, Microsoft Excel, Exploratory Data Analysis, Apache Spark, Application Deployment, SQL, Governance, Version Control
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: React.js, Routing Protocols, Code Reusability, JavaScript Frameworks, Frontend Performance, Web Content Accessibility Guidelines, UI Components, Debugging, Javascript, Context Management, Authentications, Data Management
Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, C# (Programming Language), Object Oriented Programming (OOP), Web Development, Web Applications, Object Oriented Design, Application Frameworks, Programming Principles, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Scientific Visualization, Research Reports, Technical Documentation, Technical Writing, Technical Communication
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: ISO/IEC 27001, Risk Management, Risk Management Framework, Personally Identifiable Information, Security Controls, System Implementation, Security Awareness, Information Privacy, Risk Mitigation, Security Management, Security Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Architecture, Computer Networking, TCP/IP, Network Protocols, General Networking, Wireless Networks, Network Routing, Local Area Networks, Network Security, Routing Protocols, Load Balancing, Network Model, Wide Area Networks, Network Performance Management, Telecommunications, Cloud Services
Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Digital Transformation, Business Transformation, Marketing Management, General Sales Practices, Business Management, Innovation, Data Strategy, Customer Acquisition Management, Data Management, Marketing Strategies, Growth Strategies, Data-Driven Decision-Making, Scalability, Presentations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cash Flows, Income Statement, Financial Analysis, Financial Accounting, Equities, Revenue Recognition, Working Capital, Balance Sheet, Generally Accepted Accounting Principles (GAAP), Financial Statement Analysis, Accounting, Tax Management, Financial Statements, Financial Reporting, Corporate Finance, Corporate Accounting, Specialized Accounting, Return On Investment, Case Studies, Finance
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Embeddings, Vector Databases, PostgreSQL, Google Cloud Platform, SQL, Database Design, Relational Databases, Generative AI
Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Diagram Design, Data Import/Export, Collaborative Software, Technical Communication, Technical Documentation, User Accounts
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Version Control, GitHub Copilot, Software Documentation, R (Software), Software Versioning, Microsoft Visual Studio, Technical Documentation, Program Development, Statistical Analysis, Development Environment, Descriptive Statistics, Statistical Programming, Programming Principles
Beginner · Course · 1 - 3 Months