Data Structures and Algorithms courses can help you learn about arrays, linked lists, trees, and graph structures, along with sorting and searching algorithms. You can build skills in problem-solving, optimizing code efficiency, and analyzing algorithm complexity. Many courses introduce tools like Python, Java, or C++ for implementing these concepts, as well as platforms for coding challenges that reinforce your understanding through practical application.

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Predictive Modeling, Data Science, Analytical Skills, Data Analysis, Data Presentation, Data Collection, Data Storytelling, Data Cleansing, Statistical Analysis, Data Manipulation, Data Preprocessing, R Programming, Machine Learning, Natural Language Processing
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Health Policy, Health Care, Infectious Diseases, Health Information Management, Program Evaluation, Data Collection, Descriptive Analytics, Statistical Methods, Data Quality
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Google Cloud Platform, Data Mining, Database Administration, Microsoft SQL Servers, Cloud API, PostgreSQL, Metadata Management
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Storytelling, Data Presentation, Storytelling, Interactive Data Visualization, Data Visualization, Infographics, Dashboard, Data Visualization Software, Presentations, Data-Driven Decision-Making, Persuasive Communication
Intermediate · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: AI Personalization, Nutrition and Diet, Nutritional Assessment, Personalized Service, Clinical Nutrition, Medical Nutrition Therapy, Nutrition Education, Data Ethics, Data Collection, Patient Education And Counseling, Data Analysis, Clinical Research, Health Technology, Consumer Behaviour, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Application Security, Information Systems Security, Software Installation, System Configuration, Data Management, Computer Hardware, Data Security, Hardware Architecture, Data Storage, Information Technology Operations, Microsoft Windows, Firewall, Disaster Recovery, Encryption, Role-Based Access Control (RBAC), Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Digital Marketing Institute
Skills you'll gain: Digital Media Strategy, Social Media Marketing, Content Marketing, Digital Marketing, Marketing, Social Media, Marketing Strategies, Digital Content, Social Media Strategy, Integrated Marketing Communications, Consumer Behaviour, Digital Transformation, Content Strategy, Scheduling, Target Audience, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Wrangling, Command-Line Interface, Data Transformation, Data Processing, Data Pipelines, Google Cloud Platform, Data Integration, Data Management, Database Administration
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Dashboard, Pivot Tables And Charts, Data Transformation, Data Visualization Software, Interactive Data Visualization, Data Modeling, Data Presentation, Data Manipulation, Business Intelligence, Microsoft Excel, Microsoft Power Platform, Report Writing, Data Cleansing
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Probability & Statistics, Data Ethics, Statistical Analysis, Quantitative Research, Statistical Inference, Statistics, Sample Size Determination, Sampling (Statistics)
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Security, Cryptography, Information Systems Security, Security Management, Security Requirements Analysis, Data Access, Vulnerability Assessments, Data Management, Information Management, Big Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Data Quality, Data Sharing, Information Privacy, Data Analysis, Informed Consent
Beginner · Course · 1 - 4 Weeks