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.

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, Data Science, Statistical Methods, Statistical Analysis, Model Evaluation, Regression Analysis, Predictive Modeling, R Programming, Machine Learning, Classification Algorithms, Supervised Learning, Unsupervised Learning, Machine Learning Algorithms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Processing, Data-Driven Decision-Making, NumPy
Mixed · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Public Safety and National Security, Research, Research Methodologies, Policy Analysis, Media and Communications, Crisis Intervention, World History, International Relations, Political Sciences, Public Policies, Trend Analysis, Social Impact, Psychology, Case Studies
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Medical Billing and Coding, Denial Management, Patient Registration, Care Management, Medical Privacy, Revenue Cycle Management, Practice Management, Organizational Change, Change Management, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Performance Review, Data Management, ICD Coding (ICD-9/ICD-10), Medical Terminology, Human Resource Policies, Medical Billing, Patient Safety, Continuous Quality Improvement (CQI), Healthcare Industry Knowledge, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

California Institute of the Arts
Skills you'll gain: Animation and Game Design, Game Design, Animations, Prototyping, Conceptual Design, Video Game Development, Storytelling, Software Design Documents, Ideation, Visualization (Computer Graphics), Storyboarding, Design, Virtual Environment, Technical Design, Design Elements And Principles, Usability Testing, Creative Design, Design Strategies, Interactive Design, Graphic and Visual Design
Beginner · Specialization · 3 - 6 Months

Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Analytics, Dashboard, Marketing Effectiveness, Google Analytics, Pivot Tables And Charts, Spreadsheet Software, Content Performance Analysis, Web Analytics, Performance Analysis, Trend Analysis, Interactive Data Visualization, Marketing Planning, Marketing Channel, Campaign Management, Business Marketing, Analysis, Analytical Skills, Data Modeling, Data Science, Data Management
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll Tax, Payroll, Payroll Systems, Payroll Processing, Payroll Administration, Payroll Reporting, Tax Compliance, Tax Management, Labor Compliance, Compensation Management, Human Resources Information System (HRIS), Non-Profit Accounting, Data Entry, Income Tax, Workforce Management, Customer Service, Benefits Administration, Labor Law, Specialized Accounting, Data Analysis
Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Apache Kafka, Data Pipelines, Google Cloud Platform, Java, Public Cloud, Cloud API, Network Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Matplotlib, Plot (Graphics), Statistical Visualization, Data Visualization Software, Interactive Data Visualization, Data Presentation, Scatter Plots, Jupyter, Histogram, Box Plots, Graphing, Computer Programming, Development Environment, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Swift Programming, Apple iOS, iOS Development, Apple Xcode
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Customer Analysis, Regional Sales, Sales, Data Analysis Software, Data Analysis, Query Languages, Trend Analysis, Databases, Customer Insights, Performance Analysis, Market Opportunities, Product Assortment
Intermediate · Guided Project · Less Than 2 Hours