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: Applied Mathematics, Estimation, Numerical Analysis, Calculus, Engineering Calculations, Mathematical Modeling, Operations Research, Derivatives, Algebra
Intermediate · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Substance Abuse, Mental Health Diseases and Disorders, Clinical Psychology, Mental and Behavioral Health, Psychiatry, Psychological Evaluations, Mental Health, Cognitive Behavioral Therapy, Patient Evaluation, Diagnostic Tests, Behavioral Health, Psychotherapy, Psychiatric Assessments, Cultural Diversity, Epidemiology, Pharmacology, Neurology, Demography, Psychology, Pharmacotherapy
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Dashboard, Data Storytelling, Tableau Software, Peer Review, Data Visualization Software, Presentations, Data Visualization, Interactive Data Visualization, Data Cleansing, Business Intelligence, Real Time Data, Data Manipulation, Transact-SQL, Data Quality, Data Transformation, Data Preprocessing, Data Validation, Data Sharing, Data Integration, Data Analysis
Advanced · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Cleansing, Data Manipulation, Data Integration, R Programming, Data Preprocessing, Tidyverse (R Package), Data Management
Intermediate · Guided Project · Less Than 2 Hours

University of Washington
Skills you'll gain: Feature Engineering, Model Evaluation, Data Analysis, Predictive Modeling, Data Wrangling, Statistical Modeling, Statistics, Data Science, Data Preprocessing, Predictive Analytics, Data Integration, Data Collection, Applied Machine Learning, R Programming, Research, Data Validation, Python Programming
Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Data Quality, Data Cleansing, Computer Vision, Visualization (Computer Graphics), Data Preprocessing, Deep Learning, Image Analysis, Convolutional Neural Networks, Model Evaluation, Data Manipulation, Applied Machine Learning, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Portfolio Management, Portfolio Risk, Investment Management, Performance Analysis, R Programming, Time Series Analysis and Forecasting, Risk Analysis, Financial Analysis, Financial Modeling, Financial Data, Statistical Programming, Regression Analysis, Data Manipulation, Data Visualization
Beginner · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: Web Scraping, Research Design, Matplotlib, Research, Data Ethics, Data Collection, Seaborn, Text Mining, Data Science, Data Visualization Software, JSON, Data Manipulation, Data Analysis, Python Programming, Natural Language Processing, Data Structures, Data Preprocessing, Programming Principles
Build toward a degree
Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Tableau Software, Data Visualization Software, Interactive Data Visualization, Business Intelligence, Data Presentation, Data Integration, Data Access, Data Analysis, Data Manipulation, Time Series Analysis and Forecasting
Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Unsupervised Learning, Supervised Learning, Object Oriented Programming (OOP), PyTorch (Machine Learning Library), R Programming, Convolutional Neural Networks, NumPy, R (Software), Image Analysis, Pandas (Python Package), Matplotlib, Python Programming, Deep Learning, Computer Programming, Computer Vision, Artificial Neural Networks, Transfer Learning, Scripting, Programming Principles, Data Management
Intermediate · Specialization · 1 - 3 Months

Starweaver
Skills you'll gain: SQL, Business Intelligence, Jupyter, Python Programming
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Big Data, Analytics, Query Languages, Google Cloud Platform, Data Processing, Data Analysis, Data Integration, Time Series Analysis and Forecasting
Beginner · Project · Less Than 2 Hours