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: Operating System Administration, Remote Access Systems, Local Area Networks, Software Installation, Command-Line Interface, Threat Management, Microsoft Windows, System Configuration, Threat Detection, Information Technology Operations, Wireless Networks, Systems Administration, Network Security, TCP/IP, Information Systems Security, Peripheral Devices, USB, Operating Systems, Computer Hardware, Data Storage Technologies
★ 4.7 (44) · Beginner · Specialization · 3 - 6 Months

Vanderbilt University
Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, LLM Application, Large Language Modeling, Matlab, AI Personalization, Generative AI, Debugging
★ 4.8 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Object Oriented Programming (OOP), Eclipse (Software), Java, Java Programming, JUnit, HTML and CSS, Object Oriented Design, Test Automation, Hypertext Markup Language (HTML), Software Testing, Test Script Development, Integrated Development Environments, Web Design and Development, Test Data, Browser Compatibility, Computer Programming, Test Tools, Web Development, Programming Principles
★ 4.5 (29) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Oracle Databases, Relational Databases, Database Management Systems, Database Architecture and Administration, Data Import/Export, Patch Management, Memory Management, Database Management, Multi-Tenant Cloud Environments, Data Migration, Database Software, Data Storage Technologies, Software Installation, Performance Tuning, Servers, Query Languages, User Accounts, System Configuration, SQL, Virtual Environment
★ 4.6 (11) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: User Interface (UI) Design, Data Persistence, Data Store, Object Oriented Design, Database Application, Database Management, Real Time Data, Program Development, Package and Software Management, Computer Programming, Code Reusability, Data Management, Software Installation, Data Modeling
★ 4.6 (32) · Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Interactive Data Visualization, Data Visualization, Heat Maps, Spatial Data Analysis, Geospatial Information and Technology, Data Visualization Software, Technical Communication, Geospatial Mapping, Data Mapping, Interactive Design, Hypertext Markup Language (HTML), GitHub, Usability, Public Health, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, PostgreSQL, Query Languages, Database Management Systems, Database Management
★ 4.9 (12) · Intermediate · Guided Project · Less Than 2 Hours

École Polytechnique
Skills you'll gain: Probability, Probability & Statistics, Probability Distribution, Statistical Methods, Sampling (Statistics), Statistical Inference, Simulations, Mathematical Theory & Analysis, Calculus, Correlation Analysis
★ 4.6 (40) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Image Analysis, Cloud Deployment, Tensorflow, Amazon Web Services, Convolutional Neural Networks, Model Deployment, Application Development, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Application Design, Computer Vision, Model Training, Front-End Web Development, Data Preprocessing, Python Programming
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: CI/CD, Google Cloud Platform, MLOps (Machine Learning Operations), Data Pipelines, Tensorflow, Kubernetes, Continuous Deployment, Metadata Management, Model Deployment, AI Orchestration, Model Training, Model Optimization, Model Evaluation, Data Validation
Advanced · Course · 1 - 3 Months

Skills you'll gain: Audit Planning, Data Security, Network Security, Disaster Recovery, Cyber Attacks, Business Continuity Planning, Security Testing, Digital Forensics, Infrastructure Security, Business Continuity, Database Management, Enterprise Architecture, Internal Auditing, Compliance Management, Auditing, Quality Assurance, Cloud Computing, OSI Models, Asset Management, Quality Management
★ 4.7 (14) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Network Monitoring, Network Security, Incident Response, Anomaly Detection, Network Analysis, Digital Forensics, Cyber Security Assessment, Network Protocols, Threat Detection, Technical Communication, Distributed Denial-Of-Service (DDoS) Attacks, Computer Security, Cybersecurity
★ 4.8 (17) · Intermediate · Course · 1 - 3 Months