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.

Politecnico di Milano
Skills you'll gain: Machine Learning Methods, Unsupervised Learning, Supervised Learning, Machine Learning Algorithms, Machine Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Reinforcement Learning, Dimensionality Reduction, Model Evaluation, Classification Algorithms, Algorithms
Beginner · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Regression Analysis, Derivatives, Financial Market, Statistical Methods, Market Data, Financial Modeling, Securities (Finance), Mathematical Modeling, Numerical Analysis, Equities, Model Optimization, Python Programming, Algorithms, Case Studies
Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: MLOps (Machine Learning Operations), Continuous Delivery, Applied Machine Learning, Cloud Engineering, Google Cloud Platform, Model Deployment, Cloud Applications, Cloud Development, Cloud API, Cloud Deployment, Artificial Intelligence, Machine Learning, Microsoft Azure, AI Workflows, Software Engineering, Computer Vision, Application Programming Interface (API), Natural Language Processing, Flask (Web Framework)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, AI Security, Software Quality (SQA/SQC), Performance Stress Testing, Software Development Methodologies, Regression Testing, AI Integrations, Maintainability, Code Review, Scalability, Automation, Code Coverage, Software Technical Review, DevOps, Security Testing
Beginner · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: Data Structures, Debugging, Python Programming, Computational Logic, Programming Principles, Data Storage, Code Reusability, Program Development, Computer Programming, Computer Architecture
Beginner · Course · 1 - 3 Months

Skills you'll gain: Minitab, Process Capability, Statistical Process Controls, Statistical Hypothesis Testing, Data Visualization, Descriptive Statistics, Statistical Analysis, Plot (Graphics), Business Analytics, Statistics, Sampling (Statistics), Statistical Software, Data-Driven Decision-Making, Data Analysis, Predictive Analytics, Analytical Skills, Case Studies, Statistical Visualization, Statistical Modeling, Data Validation
Beginner · Specialization · 1 - 3 Months

Oracle
Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Oracle Cloud, Computer Programming, Cloud Development, Integrated Development Environments, Programming Principles, Development Environment, Code Reusability
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: 3D Modeling, Video Game Development, Animation and Game Design, 3D Assets, Unity Engine, Game Design, User Interface (UI) Design, User Interface (UI), Visualization (Computer Graphics), Animations, Computer Graphics, Music, Computer Graphic Techniques, Conceptual Design, Creativity, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Nanjing University
Skills you'll gain: Operating Systems, File Management, Memory Management, Computer Systems, File Systems, OS Process Management, System Software, System Programming, File I/O, Software Systems, Data Storage, Computer Hardware, Peripheral Devices, Algorithms, Human Computer Interaction
Mixed · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Animations, 3D Modeling, 3D Assets, Computer Graphics, Visualization (Computer Graphics), Timelines, Graphics Software, User Interface (UI), File Management, Image Quality, Software Versioning, Software Installation
Mixed · Course · 1 - 3 Months

Institut Mines-Télécom
Skills you'll gain: Network Engineering, Wireless Networks, Network Security, General Networking, Network Architecture, Network Infrastructure, Mobile Security, Network Protocols, Telecommunications, OSI Models, Communication Systems, Digital Communications, Dataflow, Authentications, Key Management, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Database Management, Database Administration, Database Management Systems, Databases, Database Application, Relational Databases, Database Architecture and Administration, Data Security, User Accounts, User Provisioning, SQL, Database Design, Vulnerability Management, Application Security, Security Controls, Information Systems Security, NoSQL, Role-Based Access Control (RBAC), Encryption
Beginner · Course · 1 - 3 Months