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: Angular, JavaScript Frameworks, Model View Controller, Javascript, Web Development, Software Development
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Functional Behavior Assessment, Behavioral Management, Applied Behavior Analysis, Instructional Strategies
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistics, Probability & Statistics, Regression Analysis, Probability, Statistical Hypothesis Testing, Probability Distribution, Statistical Methods, Statistical Analysis, Statistical Inference, Sampling (Statistics), Combinatorics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Model View Controller, .NET Framework, Object-Relational Mapping, Database Management, Data Access, Full-Stack Web Development, Web Development, Web Applications, Database Development, Software Architecture, Software Design Patterns, Maintainability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Ajax, Java Programming, Test Script Development, Java, Software Testing, Test Automation, Scripting, Automation, Cascading Style Sheets (CSS)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Request for Proposal, Supplier Risk Management, Strategic Sourcing, Supplier Management, Supplier Quality Management, Root Cause Analysis, Procurement, Supply Management, Inventory Management, Document Management, Supplier Performance Management, Vendor Contracts, Purchasing, Request For Quotation (RFQ), Inventory Control Systems, Inventory Control, Strategic Prioritization, Price Negotiation, Data Entry, Interviewing Skills
Beginner · Professional Certificate · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Musical Composition, Music, Algorithms, Digital Signal Processing, Programming Principles, Other Programming Languages, Development Environment, Object Oriented Programming (OOP), Data Mapping
Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, AI Personalization, Content Creation, Campaign Management, Keyword Research, Marketing, Generative AI Agents, Email Marketing, Digital Marketing, Search Engine Optimization, Artificial Intelligence and Machine Learning (AI/ML), Business Marketing, Content Marketing, ChatGPT, Social Media Marketing, Business Process Automation, Automation, Market Trend, Business, Business Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: File Management, Document Management, Microsoft Power Automate/Flow, Email Automation, Version Control, Microsoft Power Platform, Intranet, Automation
Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Data Warehousing, Apache Hadoop, Distributed Computing, Scalability, Transaction Processing, Database Systems, Database Design, Applied Machine Learning, Database Management Systems, Data Architecture, Database Theory, Database Management, Database Development, Database Architecture and Administration, Cloud Computing, Big Data, Relational Databases, Query Languages, Data Processing, SQL
Intermediate · Specialization · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Education Software and Technology, Machine Learning Methods, Supervised Learning, Machine Learning, Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Learning Management Systems, Digital pedagogy, Artificial Intelligence, AI literacy, Data Mining, Learning Theory, Human Factors, Human Computer Interaction
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Medical Privacy, Personally Identifiable Information, Cyber Security Strategy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Information Privacy, Security Awareness, Data Security, Cybersecurity, Health Information Management and Medical Records, Cyber Attacks, Information Assurance, Security Controls, Health Information Management, General Data Protection Regulation (GDPR), Computer Security Awareness Training, Data Sharing, Security Strategy, Authorization (Computing), Healthcare Industry Knowledge, Health Care Procedure and Regulation
Beginner · Course · 1 - 3 Months