Information retrieval courses can help you learn search algorithms, indexing techniques, and data mining strategies. You can build skills in evaluating search results, optimizing query performance, and understanding user intent. Many courses introduce tools like Elasticsearch, Apache Solr, and various machine learning libraries, showing how these technologies enhance information retrieval processes and improve the accuracy of search results.

Wesleyan University
Skills you'll gain: Descriptive Statistics, Plot (Graphics), Statistical Visualization, Data Manipulation, Data Presentation, Data Visualization Software, Data Management, Data Literacy, Graphing, SAS (Software), Peer Review, Data Analysis, Descriptive Analytics, Exploratory Data Analysis, Statistical Analysis, Python Programming
Mixed · Course · 1 - 3 Months

Skills you'll gain: Global Marketing, Intercultural Competence, Strategic Planning, Cultural Diversity, Cultural Sensitivity, Market Research, Market Analysis, Strategic Decision-Making, International Finance, Product Lifecycle Management, Diversity Awareness, Culture, Business Planning, Market Intelligence, Advertising, Branding, Strategic Marketing, Marketing Strategies, Consumer Behaviour, Business Development
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Package and Software Management, Linux Administration, Linux, Linux Commands, Virtual Private Networks (VPN), Linux Servers, System Monitoring, Operating System Administration, Public Key Infrastructure, Ubuntu, Version Control, File Management, Command-Line Interface, Intrusion Detection and Prevention, Git (Version Control System), File Systems, User Accounts, Firewall, Cloud Computing Architecture, DevOps
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Evaluation, Supervised Learning, Machine Learning Methods, Statistical Methods, Applied Machine Learning, Statistical Machine Learning, Model Optimization, Statistical Modeling, Performance Testing, Machine Learning, Statistics, Predictive Modeling, Analysis, Verification And Validation, Statistical Analysis, Data Analysis, Data-Driven Decision-Making, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: High Voltage, Electrical Power, Electrical Equipment, Electrical Safety, Electric Power Systems, Test Equipment, Test Engineering, Energy and Utilities, Maintenance, Repair, and Facility Services, Hardware Troubleshooting, Electrical Systems, Sustainable Technologies, Sustainable Engineering, Power Electronics, Failure Analysis, Test Tools, System Monitoring, Control Systems, Electronic Systems
Beginner · Course · 1 - 4 Weeks

The Expert Academy
Skills you'll gain: Enterprise Sales, B2B Sales, Loyalty Programs, Customer Success Management, Closing (Sales), Overcoming Objections, Customer Retention, Selling Techniques, Procurement, Negotiation, Customer Relationship Management, Brand Loyalty, Price Negotiation, Customer Relationship Management (CRM) Software, Sales Strategy, Customer experience strategy (CX), Customer experience improvement, Sales Management, Sales, Stakeholder Engagement
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Extract, Transform, Load, Data Pipelines, Data Integration, Data Processing, Data Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: WordPress, Content Management Systems, Web Design and Development, Blogs, Content Creation, Content Management, Business Marketing, Creativity
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Return On Investment, Heat Maps, Business Research, Market Research, Business Metrics, User Research, Data Storytelling, Research, Data Presentation, Cost Benefit Analysis, Performance Analysis, Data-Driven Decision-Making, Consumer Behaviour, Data Analysis, Statistical Visualization, Financial Analysis, Cost Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Correlation Analysis, Data Pipelines, Dashboard, Dashboard Creation, Analytics, SQL, Business Analytics, Data Infrastructure, Data-Driven Decision-Making, Warehousing, Analysis, Capacity Management, Data Warehousing, Performance Analysis, Performance Metric, Scalability, Performance Measurement, Return On Investment, Interactive Data Visualization, Descriptive Statistics
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Technical Analysis, Market Trend, Financial Market, Portfolio Risk, Financial Trading, Portfolio Management, Financial Forecasting, Market Dynamics, Trend Analysis, Financial Analysis, Investment Management, Market Analysis, Risk Analysis, Probability & Statistics
Mixed · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Key Management, Security Management, Cyber Attacks, Cryptography, Cyber Security Policies, Cybersecurity, Cyber Risk, Encryption, ISO/IEC 27001, Threat Management, Risk Management Framework, Security Controls, Data Integrity
Build toward a degree
Beginner · Course · 1 - 4 Weeks