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.

Illinois Tech
Skills you'll gain: Operating System Administration, Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux Administration, Linux, System Monitoring, File Systems, System Support, Event Monitoring, Authorization (Computing), File Management, Network Security, Data Security
★ 4.8 (27) · Intermediate · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Applied Machine Learning, Model Evaluation, Model Training, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Machine Learning, Machine Learning Methods, Computer Vision, AI literacy, Image Analysis, Feature Engineering, Data Literacy
★ 4.7 (12) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Application Development, Mobile Development Tools, Data Validation, iOS Development, User Interface and User Experience (UI/UX) Design, Information Architecture, User Interface (UI) Design, User Interface (UI), Application Design, Cross Platform Development, UI Components, Interactive Design, Software Design, Interaction Design, Scalability, Usability, Verification And Validation
★ 4.9 (45) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Java, Java Programming, Program Development, Application Development, Programming Principles, Data Storage, Data Entry, Computer Programming, Algorithms
★ 4.6 (8) · Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Database Design, Data Access, Data Persistence, Java, Relational Databases, Data Mapping, Java Programming, JUnit, SQL, Query Languages, Software Versioning
★ 5 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Animation and Game Design, Video Game Development, Game Design, 3D Assets, Event-Driven Programming, Animations, Graphics Software, Computer Graphics, Visualization (Computer Graphics), Interactive Design, Computer Graphic Techniques, Debugging, User Interface (UI), User Interface (UI) Design, UI Components, Computer Displays, Program Development, Code Reusability, Python Programming, Development Environment
★ 4.7 (33) · Beginner · Specialization · 1 - 3 Months

Total Seminars
Skills you'll gain: Security Controls, Authentications, Cryptographic Protocols, Risk Management Framework, Cybersecurity, Cryptography, Security Management, Threat Modeling, Cyber Attacks, Data Security, Cyber Security Assessment, Encryption, Threat Management, Threat Detection, Cyber Risk, Cyber Threat Intelligence, Security Awareness, Cyber Threat Hunting, Vulnerability Assessments, Identity and Access Management
Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computational Logic, Logical Reasoning, Deductive Reasoning, Theoretical Computer Science, Analytical Skills, Computer Science, Data Analysis, Computer Programming, Algorithms, Verification And Validation, Program Development, Software Development, Machine Learning
Beginner · Course · 1 - 3 Months
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Infrastructure As A Service (IaaS), Cloud Infrastructure, Amazon Web Services, IT Automation, Amazon Elastic Compute Cloud, Code Reusability, Infrastructure Architecture, Cloud Management, Cloud Platforms, Data Security, Dependency Analysis
★ 4.1 (21) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Model Deployment, Unstructured Data, MLOps (Machine Learning Operations), Tensorflow, Applied Machine Learning, Model Training, Cloud API, Analytics, Jupyter, Machine Learning
★ 4.7 (47) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering Tools, AI Enablement, Strategic Leadership, Initiative and Leadership, Strategic Thinking, Decision Intelligence, Data Ethics, Business Priorities
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, Robotics, Artificial Intelligence, Sampling (Statistics), Simulations, NumPy
★ 4.5 (25) · Advanced · Guided Project · Less Than 2 Hours