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.

Skills you'll gain: A/B Testing, Sampling (Statistics), Statistical Inference, Estimation, Statistical Analysis, Analytics, Probability & Statistics, Data Analysis, Correlation Analysis, Descriptive Statistics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Relational Databases, Microsoft SQL Servers, MySQL, Query Languages, Database Systems, Databases, Database Management, Stored Procedure, IBM DB2, Data Manipulation, Data Analysis, Transaction Processing
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Database Management, Acceptance Testing, Web Applications, Microservices, Software Architecture, Software Engineering, Data Infrastructure, System Monitoring, Functional Requirement, Application Deployment, User Acceptance Testing (UAT), Application Development, Distributed Computing, Prototyping, Requirements Elicitation, Test Automation, Agile Product Development, Big Data, Data Analysis
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, Microsoft SQL Servers, Microsoft Azure, Database Development, Data Warehousing, SQL, Data Integration, Extract, Transform, Load
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Customer Retention, Customer Insights, Statistical Methods, Statistical Analysis, R Programming, Trend Analysis, Data Analysis, Statistics, Product Improvement, Performance Metric, Business Metrics, Analytics, Statistical Hypothesis Testing, Customer Engagement
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Research, User Feedback, Business Research, Data Collection, Market Research, Data Compilation, Business Analysis
Beginner · Guided Project · Less Than 2 Hours

AAPC
Skills you'll gain: Medical Billing, Denial Management, ICD Coding (ICD-9/ICD-10), Patient Registration, Billing, Medical Billing and Coding, Medical Coding, CPT Coding, Accounts Receivable, Payment Processing and Collection, Medical Office Procedures, Utilization Management, Medical Records, Billing & Invoicing, Insurance, Medicare, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Health Systems, Healthcare Industry Knowledge, Regulatory Compliance
Beginner · Professional Certificate · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Bioinformatics, Image Analysis, Bayesian Statistics, Data Science, Applied Machine Learning, Data Structures, Machine Learning Methods, Statistical Hypothesis Testing, Statistical Methods, Computer Vision, Algorithms, Statistical Inference, Probability Distribution, Medical Imaging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Data Preprocessing, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Histogram, Data Analysis, Scatter Plots, Exploratory Data Analysis, Pandas (Python Package), Jupyter, Software Installation
Mixed · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Social Justice, Advocacy, Community Organizing, Sociology, Social Sciences, Jury Trial, Case Studies, World History, Labor Law
Beginner · Course · 1 - 3 Months

Università di Napoli Federico II
Skills you'll gain: Data Integration, Tableau Software, Geographic Information Systems, Spatial Analysis, Data Manipulation, Data Analysis, Data Visualization Software, Data Transformation, Data Visualization, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Manipulation, Data Pipelines, Data Transformation, Data Quality, Data Cleansing, Data Preprocessing, Data Import/Export, Extract, Transform, Load, Exploratory Data Analysis, Big Data, Google Analytics
Intermediate · Project · Less Than 2 Hours