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.

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Social Determinants Of Health, Public Health and Disease Prevention, Health Disparities, Biostatistics, Health Equity, Medical Records, Demography, Vital Signs, Health Policy, Diversity Awareness, Medical Coding, Record Keeping, Data Quality, Health Information Management, Data Collection
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Google Cloud Platform, Serverless Computing, Cost Management, Cloud Infrastructure, Cloud Computing Architecture, Cloud Services, Cloud Computing, Infrastructure As A Service (IaaS), Hybrid Cloud Computing, Cloud Management, Data Processing, System Monitoring, Application Performance Management, Cloud Security, Big Data, Identity and Access Management, Data Warehousing, Key Management, Virtual Private Networks (VPN)
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Rmarkdown, Knitr, Exploratory Data Analysis, Dimensionality Reduction, Ggplot2, Plotly, Data Visualization, Data Visualization Software, Statistical Visualization, Data Storytelling, Statistical Analysis, Generative AI, R Programming, Correlation Analysis, Data Analysis, Tidyverse (R Package), Scatter Plots, Descriptive Statistics, Data Cleansing, Data Preprocessing
Beginner · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Financial Policy, Financial Systems, Microsoft Excel, Financial Data, Governmental Accounting, Corporate Finance, Financial Accounting, International Finance, Data Analysis, Economics, Fiscal Management, Policty Analysis, Research, and Development, Financial Management, Quantitative Research, Public Administration, Behavioral Economics, Balance Sheet, International Relations, Data Import/Export
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Gemini, Exploratory Data Analysis, Prompt Engineering, Data Visualization Software, Google Cloud Platform, Data Cleansing, Data Transformation, Debugging, Query Languages
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Real Time Data, Extract, Transform, Load, Google Cloud Platform, Big Data, Data Transformation, Time Series Analysis and Forecasting, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Generative AI Agents, CrewAI, AI Orchestration, Generative AI, Agentic systems, Prompt Patterns, Tool Calling, LLM Application, Model Deployment, Responsible AI, Scalability, Application Deployment, Collaboration, Data Integration, Job Evaluation, Logical Reasoning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Gmail, Authorization (Computing), Google Workspace, Email Security, Data Governance, Cloud Security, Identity and Access Management, Document Management, Data Management, File Management, Enterprise Application Management, User Provisioning, Data Security, Security Assertion Markup Language (SAML), Single Sign-On (SSO), Email Marketing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Big Data, Applied Machine Learning, Google Cloud Platform, Data Analysis, Machine Learning
Beginner · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Health Policy, Data Presentation, Data Quality, Data Literacy, Public Health, Health Equity, Health Care, Policy Development, Data Strategy, Health Disparities, Public Health and Disease Prevention, Policy Analysis, Data-Driven Decision-Making, Data Collection, Data Analysis, Data Management, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

American Psychological Association
Skills you'll gain: Descriptive Statistics, Probability & Statistics, Statistics, Statistical Analysis, Data Literacy, Statistical Visualization, Data Analysis, Graphing, Arithmetic
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Data Warehousing, Data Modeling, Database Design, SQL, Star Schema, Business Intelligence, Databases, Relational Databases, Database Architecture and Administration, Data Mart, Data Integrity, Data Analysis, Snowflake Schema, Data Transformation
Mixed · Course · 1 - 4 Weeks