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.

Simplilearn
Skills you'll gain: Marketing Strategies, Data-Driven Marketing, Marketing Effectiveness, Email Marketing, Marketing Analytics, Digital Marketing, Driving engagement, Customer Relationship Management, Digital Advertising, Online Advertising, Google Ads, Social Media Marketing, Cross-Channel Marketing, Target Market, Personalized Campaigns, Data Collection
★ 4.7 (20) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Open Source Technology, Package and Software Management, Web Development, Linux, Shell Script, Database Design, Ubuntu, Relational Databases, Web Applications, Web Development Tools, Unix Shell, Test Driven Development (TDD), Python Programming, Linux Administration, Databases, Object Oriented Programming (OOP), Object Oriented Design, Scripting Languages, Javascript, Database Management
★ 4.6 (67) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Generative AI, Data-Driven Marketing, Marketing Analytics, Data Ethics, Brand Strategy, Content Creation, Content Marketing, Responsible AI, Brand Management, Branding, Data Analysis
★ 4.6 (49) · Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Continuous Integration, CI/CD, Continuous Deployment, Integration Testing, DevOps, Software Development, Continuous Monitoring, Webhook Security, Build Tools, Containerization, Docker (Software), Application Deployment, Development Environment, GitHub, Automation, Verification And Validation
★ 4 (41) · Intermediate · Course · 1 - 4 Weeks

SkillUp
Skills you'll gain: Computer Security Awareness Training, Security Awareness, Cybersecurity, Cyber Attacks, Cyber Threat Intelligence, Incident Response, Cyber Risk, Responsible AI, Data Ethics, Threat Management, Threat Detection, Malware Protection, Information Systems Security, Network Security, Security Controls, Data Security, Multi-Factor Authentication, AI Security, Personally Identifiable Information, Authentications
★ 4.9 (14) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Emerging Technologies, Internet Of Things, Network Security, Wireless Networks, Mobile Security, Cybersecurity, Telecommunications, Vulnerability Assessments
★ 4.8 (20) · Intermediate · Course · 1 - 4 Weeks

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: NumPy, Python Programming, Artificial Intelligence, Programming Principles, Tensorflow, Data Structures, Development Environment, Software Installation, Data Manipulation, Package and Software Management
★ 4.6 (89) · Beginner · Course · 1 - 3 Months

Indian Institute of Technology Guwahati
Skills you'll gain: SolidWorks (CAD), Computer-Aided Design, Computer Graphics, 3D Modeling, Manufacturing Processes, Mechanical Design, Manufacturing and Production, Design Software, Robotics, Engineering Drawings, Machine Controls, Manufacturing Operations, Visualization (Computer Graphics), Assembly Drawing, Prototyping, Computer Graphic Techniques, Industrial Design, Product Engineering, Materials science, Process Engineering
★ 3.9 (15) · Intermediate · Specialization · 3 - 6 Months

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Data Literacy, Incident Management, Information Management, Event Monitoring, Data Processing, Query Languages, Business Intelligence, Data Management, Data Analysis, Big Data, Business Analytics
★ 4.8 (26) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Product Lifecycle Management, Prompt Engineering Tools, Sustainable Design, Sustainable Engineering, Digital Transformation, Customer experience improvement, Project Planning, Business Acumen, Electronic Hardware, Electronic Systems, Engineering Design Process, Project Management, Internet Of Things, Collaboration, Artificial Intelligence, Business Communication, Teamwork, Risk Management, Leadership, Generative AI
★ 4.8 (20) · Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Pseudocode, File I/O, C++ (Programming Language), Integrated Development Environments, Object Oriented Programming (OOP), Development Environment, Algorithms, Programming Principles, Software Installation
★ 4.7 (33) · Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Azure Active Directory, Microsoft Azure, Web Applications, Cloud Applications, Application Security, Cloud Security, Identity and Access Management, Authorization (Computing), Key Management, Application Development, Security Strategy, Application Programming Interface (API), Authentications, Encryption
★ 4.6 (14) · Intermediate · Course · 1 - 4 Weeks