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: Identity and Access Management, Business Continuity, Cryptographic Protocols, Network Security, Cryptography, Encryption, User Provisioning, Security Management, Penetration Testing, ISO/IEC 27001, Threat Management, Network Performance Management, Information Systems Security, Network Architecture, Cyber Operations, Data Management, Vulnerability Management, Software Development Methodologies, Cybersecurity, Configuration Management
★ 4.8 (160) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Information Technology, Computer Hardware, Cloud Computing, Network Troubleshooting, Software Installation, Technical Support and Services, Help Desk Support, Cybersecurity, Cloud Infrastructure, Cyber Attacks, Information Technology Operations, Hardware Troubleshooting, Data Storage, General Networking, Database Software, Operating Systems, Package and Software Management, Computer Security Awareness Training, Peripheral Devices, Project Management
★ 4.7 (281) · Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Cyber Threat Intelligence, Threat Detection, Workflow Management, Stakeholder Engagement, Cyber Operations, Cybersecurity, Intrusion Detection and Prevention, Stakeholder Management, Security Information and Event Management (SIEM), Incident Response, Security Management, Computer Security Incident Management, Cyber Attacks, Stakeholder Communications, Incident Management, Event Monitoring, Security Controls, Data Security, Data Analysis Software, Standard Operating Procedure
★ 4.8 (360) · Mixed · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Probability & Statistics, Statistical Methods, Probability Distribution, Statistical Reporting, Quantitative Research, Statistical Analysis, Statistical Software, Correlation Analysis, Sampling (Statistics), Statistical Inference, Statistics, Data Analysis, Analysis, Descriptive Statistics, Probability, Scientific Methods, Regression Analysis, Psychology
Beginner · Specialization · 3 - 6 Months
CertNexus
Skills you'll gain: Model Training, Jupyter, Unsupervised Learning, Model Evaluation, Classification Algorithms, Applied Machine Learning, Predictive Modeling, Machine Learning Methods, Regression Analysis, Machine Learning, Model Optimization, Statistical Modeling, Machine Learning Algorithms, Algorithms
Intermediate · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Model Evaluation, Model Training, AI Personalization, AI literacy, AI Integrations, AI Product Strategy, AI Security, Artificial Intelligence, Goal Setting, Decision Making, Usability Testing, Needs Assessment, Project Planning, Resource Planning, Resource Management
★ 4.1 (31) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Make.com, LinkedIn, Marketing Automation, Generative AI Agents, Social Media Content, Digital Marketing Tools, Social Media Marketing, AI Integrations, Application Programming Interface (API), Generative AI, Content Creation, Automation, OpenAI API, Artificial Intelligence, Content Marketing, Workflow Management
★ 3.2 (6) · Beginner · Guided Project · Less Than 2 Hours

Starweaver
Skills you'll gain: Loyalty Programs, Customer Relationship Management (CRM) Software, Customer Relationship Building, Brand Loyalty, Customer Analysis, Customer Retention, Relationship Management, Customer Success Management, Sales Management, Marketing Automation, Marketing Strategies, Target Audience, Data-Driven Marketing, Business Development, Performance Management, Performance Measurement, Data-Driven Decision-Making
★ 4.6 (274) · Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: IT Security Architecture, Computer Security Incident Management, Network Security, Incident Response, Cryptography, Digital Forensics, Security Requirements Analysis, Penetration Testing, Incident Management, Human Factors (Security), Threat Detection, Cloud Security, Vulnerability Assessments, Cyber Attacks, Encryption, Cybersecurity, Vulnerability Management, Exploitation techniques, Data Security, Security Management
★ 4.7 (551) · Beginner · Specialization · 1 - 3 Months

Starweaver
Skills you'll gain: Customer experience improvement, Customer experience strategy (CX), Service Design, Change Management, Social Media Analytics, Organizational Change, Hospitality Management, Content Creation, Hospitality Services, Design Thinking, Social Media Marketing, Brand Marketing, Service Management, Digital Marketing, Content Marketing, Social Media Management, Search Engine Optimization, Design, Prototyping, Leadership
★ 4.4 (202) · Intermediate · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Keyword Research, Email Marketing, Digital Marketing Campaigns, Data-Driven Marketing, Digital Marketing, Campaign Management, Digital Media Strategy, Marketing Analytics, Online Advertising, Digital Advertising, Search Engine Marketing, Performance Analysis, Consumer Behaviour, Marketing Strategies, Market Research, Journey Mapping, Key Performance Indicators (KPIs), Web Analytics and SEO, Search Engine Optimization, Campaign Planning
★ 4.5 (607) · Beginner · Course · 1 - 3 Months

University of Toronto
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Deep Learning, Robotics, Model Training, Machine Learning Algorithms, Model Evaluation, Linear Algebra
★ 4.7 (585) · Advanced · Course · 1 - 3 Months