Recommender systems courses can help you learn collaborative filtering, content-based filtering, and hybrid approaches to personalization. You can build skills in data analysis, user behavior modeling, and algorithm evaluation. Many courses introduce tools like Python libraries such as Scikit-learn and TensorFlow, that support implementing machine learning algorithms, as well as frameworks for managing large datasets and user interactions.

EC-Council
Skills you'll gain: Cryptography, Encryption, Systems Development Life Cycle, Human Factors (Security), Threat Management, Systems Development, Security Management, Security Awareness, Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Cyber Security Policies, ISO/IEC 27001, Data Security, Security Controls, Network Security, Risk Management Framework, Cyber Risk
★ 4.9 (40) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Billing and Coding, Medical Coding, ICD Coding (ICD-9/ICD-10), Medical Billing, CPT Coding, Health Information Management, Medical Records, Revenue Cycle Management, Clinical Documentation
★ 4.5 (35) · Beginner · Course · 1 - 3 Months

École Polytechnique
Skills you'll gain: Energy and Utilities, Climate Change Mitigation, Electrical Power, Climate Change Programs, Hydrology, Electric Power Systems, Time Series Analysis and Forecasting, Water Resource Management, Predictive Modeling, Environment, Estimation, Hydraulics, Mathematical Modeling, Systems Of Measurement, Physical Science
★ 4.6 (152) · Intermediate · Course · 1 - 3 Months

Technical University of Munich (TUM)
Skills you'll gain: Traffic Flow Optimization, Transportation Management, Transportation Operations, Sustainable Systems, Demand Planning, Environmental Regulations, Sustainable Design, Environmental Issue, Sustainable Engineering, Regulatory Requirements, Law, Regulation, and Compliance, Sustainable Business, Feasibility Studies, Regulatory Affairs, Emerging Technologies, Regulatory Compliance, Safety Assurance, Concept Of Operations, Customer Demand Planning, Data-Driven Decision-Making
★ 4.5 (94) · Intermediate · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Advanced Mathematics, Integral Calculus, Calculus, Mathematical Theory & Analysis, Differential Equations, Applied Mathematics, Trigonometry, Mathematical Modeling, Linear Algebra, Physics, Numerical Analysis, Derivatives
★ 4.7 (34) · Intermediate · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: Digital Transformation, Supply Chain Management, E-Commerce, Supply Chain, Retail Store Operations, Analytics, Digital Analysis, Supply Chain Systems, Business Analytics, Business Technologies, Descriptive Analytics, Customer Demand Planning, Customer experience strategy (CX), Predictive Analytics, Consumer Behaviour, Decision Making
★ 4.6 (128) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Loss Prevention, Waste Minimization, Mitigation, Food Quality Assurance And Control, Supply Chain, Food and Beverage, Supply Chain Management, Supply Chain Systems, Sustainable Development, Production Process, Market Dynamics, Economics, Market Data, Stakeholder Engagement, Economic Development, Stakeholder Management, Knowledge Transfer, International Relations
★ 4.7 (178) · Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Arithmetic, Geometry, Mathematics Education, Systems Of Measurement, General Mathematics
★ 4.9 (352) · Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Branding, Brand Management, Target Market, Marketing, Marketing Management, Customer Relationship Management, Strategic Marketing, Brand Loyalty, Marketing Strategy and Techniques, Brand Strategy, Marketing Strategies, Digital Brand Strategy, Brand Awareness, Customer Retention, Customer Data Management, Relationship Management, Customer Engagement, Data-Driven Marketing, Consumer Behaviour, Customer Insights
★ 4.8 (129) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Migration, Cloud Storage, Data Management, Data Integration, Data Storage, Data Infrastructure, Data Storage Technologies, Data Architecture, Data Security, File Systems, Data Loss Prevention
★ 4.8 (37) · Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: File I/O, Data Structures, Theoretical Computer Science, Algorithms, Memory Management, Graph Theory, Data Access, Performance Tuning
★ 4.6 (60) · Advanced · Course · 1 - 3 Months

Universidad Nacional Autónoma de México
Skills you'll gain: Water Sustainability, Water Resources, Water Resource Management, Natural Resource Management, Hydrology, Water Quality, Environment and Resource Management, Climate Change Adaptation, Sanitation, Sustainable Development, Sustainable Systems, Environmental Science, Risk Management, Mitigation
★ 4.9 (501) · Beginner · Course · 1 - 3 Months