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.

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Electronics, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Communication Systems, Electronics Engineering, Remote Access Systems, Linux, Digital Communications, Restful API, Electrical Engineering, Web Applications, Telecommunications, Systems Of Measurement, Digital Signal Processing, Data Processing
Beginner · Specialization · 3 - 6 Months

Digital Marketing Institute
Skills you'll gain: Content Scheduling, Digital Media Strategy, Social Media Marketing, Content Marketing, Digital Marketing, Marketing, Digital Marketing Campaigns, Social Media Content, Social Media, Content Creation, Digital Content, Social Media Strategy, Cross-Channel Marketing, Digital Marketing Tools, Integrated Marketing Communications, Consumer Behaviour, Digital Transformation, Content Strategy, Customer Engagement
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Budget Management, Variance Analysis, Performance Measurement, Management Accounting, Return On Investment, Financial Data, Cost Management, Budgeting, Financial Analysis, Cost Control, Financial Acumen, Cost Accounting, Performance Metric, Operating Budget, Cost Benefit Analysis, Performance Management, Operational Performance Management, General Accounting, Data Analysis, Planning
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Ansible, Devops Tools, Development Environment, Postman API Platform, Restful API, Authentications, YAML, Software Development Tools, Software Development Methodologies, Network Model, IT Automation, Software-Defined Networking, CI/CD, DevOps, Network Engineering, Network Architecture, Application Programming Interface (API), Scripting, Network Protocols, Network Routing
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Security Strategy, Vulnerability Scanning, Vulnerability Assessments, Security Testing, Application Security, Software Design, C and C++, Linux Administration, System Design and Implementation, Java, Programming Principles, Cybersecurity
Intermediate · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Object Oriented Design, Software Design Patterns, Object Oriented Programming (OOP), Software Design, C (Programming Language), Algorithms, Memory Management, Graph Theory, Artificial Intelligence, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Dashboard, Dashboard Creation, Pivot Tables And Charts, Microsoft Excel, Data Visualization, Spreadsheet Software, Interactive Data Visualization, Excel Formulas, Data Visualization Software, Metadata Management, Data Analysis
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Hypertext Markup Language (HTML), Application Frameworks, Front-End Web Development, Javascript, Software Design Patterns, Java, Web Components, Code Reusability, Web Applications, Full-Stack Web Development, Cascading Style Sheets (CSS), Programming Principles, Web Design, Maintainability, Web Development, UI Components
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Market Opportunities, AI Product Strategy, Responsible AI, Technical Management, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Data Ethics, Artificial Intelligence, Applied Machine Learning, AI literacy, Data Science, Artificial Neural Networks, Machine Learning, Discussion Facilitation, Deep Learning, Recruitment, Sales
Beginner · Course · 1 - 4 Weeks

JetBrains
Skills you'll gain: NumPy, Python Programming, Linear Algebra, Numerical Analysis, Data Manipulation, Data Processing, Integrated Development Environments, Data Science, Data Management, Software Development Tools, Software Development, Machine Learning, Engineering, Scientific, and Technical Instruments
Beginner · Course · 1 - 3 Months

Khalifa University
Skills you'll gain: AI Personalization, Sales Enablement, Customer Analysis, Customer Data Management, Personalized Service, Personalized Campaigns, LLM Application, AI Enablement, Customer experience improvement, AI Product Strategy, Customer experience strategy (CX), Customer Insights, Customer Engagement, Large Language Modeling, Predictive Modeling, Fraud detection, Self Service Technologies, Data Integration, Revenue Management, Network Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Interviewing Skills, Meta Ads Manager, Marketing Analytics, Registration, Marketing, Social Media Marketing, Digital Marketing, Data Analysis, Statistics
Beginner · Course · 1 - 4 Weeks