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: Bash (Scripting Language), Unix Shell, Software Installation, Unix Commands, Linux Commands, Linux, File Systems, Mac OS, File Management, Data Storage, Data Integrity, Cryptography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Malware Protection, Cyber Security Strategy, Exploitation techniques, Cybersecurity, Threat Detection, Email Security, Security Software, Vulnerability Assessments, Network Security, Human Factors (Security), Network Analysis, Linux, Data Persistence
★ 5 (16) · Mixed · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Care Coordination, Care Management, Value-Based Care, Patient-centered Care, Health Informatics, Case Management, Health Technology, Health Care, Patient Communication, Health Systems, Patient Education and Support, Health Information Management, Patient Advocacy, Community Health, Data Sharing, Decision Support Systems, Community and Social Work, Case Studies
★ 4.7 (30) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Windows PowerShell, Scripting Languages, Scripting, IT Automation, Command-Line Interface, System Configuration, File Management, Software Installation, Configuration Management, Integrated Development Environments, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Debugging, Microsoft Visual Studio, Integrated Development Environments, Git (Version Control System), Microsoft Development Tools, Software Development Tools, Development Environment, Software Development
★ 3.4 (8) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Hardware Architecture, Microarchitecture, Memory Management, Computing Platforms, OS Process Management
★ 4.4 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Digital Transformation, Business Transformation, Design Thinking, Technology Strategies, Business Process Reengineering, Data Strategy, Growth Strategies, Business Strategy, Organizational Change, Market Dynamics, Innovation, Emerging Technologies, Competitive Analysis, Leadership, Communication
★ 4.8 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Back-End Web Development, Front-End Web Development, OpenAI API, Server Side, Full-Stack Web Development, Application Development, HTML and CSS, Generative AI, User Interface (UI) Design, Application Programming Interface (API), User Interface and User Experience (UI/UX) Design, Figma (Design Software), Cascading Style Sheets (CSS), AI Personalization, AI Integrations, Real Time Data
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Financial Market, Risk Mitigation, Cash Management, Financial Analysis, Financial Systems, Market Liquidity, Futures Exchange, Financial Trading, Analysis, Risk Management, Financial Services, Risk Management Framework, Market Data, Lending and Underwriting, Investment Management, Investment Banking, Economics, Fixed Asset, Return On Investment, Payment Systems
★ 5 (17) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Lean Six Sigma, Sample Size Determination, Six Sigma Methodology, Process Improvement, Quality Improvement, Data-Driven Decision-Making, Lean Methodologies, Statistical Process Controls, Process Improvement and Optimization, Process Analysis, Lean Manufacturing, Continuous Improvement Process, Predictive Modeling, Statistical Methods, Process Capability, Quality Management, Statistical Analysis, Quality Monitoring, Quality Assessment, Statistical Modeling
★ 5 (13) · Mixed · 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
★ 4.8 (36) · Advanced · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Facility Management, Event Management, Legal Risk, Contract Management, Facility Operations, Events and Conferences, Driving engagement, Data-Driven Decision-Making, Relationship Management, Data Management, Customer Engagement, Drive Engagement, Operations Management, Promotional Strategies, Risk Management, Workforce Development, Analysis, Business Strategy, Insurance Policies, Advertising
★ 4.6 (12) · Beginner · Course · 1 - 3 Months