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.

Codio
Skills you'll gain: Matplotlib, Statistical Hypothesis Testing, Data Analysis, Statistical Analysis, Data Import/Export, Data Cleansing, Probability & Statistics, Data Manipulation, Descriptive Statistics, Pandas (Python Package), Exploratory Data Analysis, Correlation Analysis, Python Programming, Programming Principles, Computer Programming, Computational Logic
Mixed · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Scatter Plots, Histogram, Data Visualization, Data Manipulation, Data Import/Export, JSON, Data Cleansing, Matplotlib, Data Visualization Software, Exploratory Data Analysis, Data Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

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

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Microsoft Excel, Sales Tax, Regulatory Requirements, Law, Regulation, and Compliance, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Visualization, Scatter Plots, Histogram, Data Science, Computer Programming
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache Hadoop, Extract, Transform, Load, Data Import/Export, Data Pipelines, Data Integration, Database Management, Data Architecture, Software Installation, Performance Tuning, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Power BI, Microsoft Excel, Data Presentation, Data Sharing, Data Integration
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Pandas (Python Package), Data Analysis, Data-Driven Decision-Making, Data Manipulation, Data Visualization, Probability & Statistics, Business Analytics, Data Transformation, Statistics, Data Visualization Software, Data Processing, Data Cleansing, Data Preprocessing, Time Series Analysis and Forecasting, Data Import/Export, Python Programming
Beginner · Course · 1 - 4 Weeks

Politecnico di Milano
Skills you'll gain: Health Policy, Economics, Policy, and Social Studies, Crisis Management, Environmental Monitoring, Policty Analysis, Research, and Development, Emergency Response, Spatial Data Analysis, Socioeconomics, Geographic Information Systems, Public Health, Public Health and Disease Prevention, Infectious Diseases, Data Science, Financial Modeling, Finance, Network Analysis, Data Collection, Stakeholder Engagement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Pandas (Python Package), Text Mining, Data Manipulation, Data Cleansing, Data Analysis Software, Data Wrangling, Data Preprocessing
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Generative AI, Data Analysis, Machine Learning Methods, Predictive Analytics, Machine Learning, Data Science
Beginner · Specialization · 1 - 4 Weeks

Snowflake
Skills you'll gain: Data Engineering, Database Management, Databases, Data Pipelines, Change Control, DevOps, CI/CD, Command-Line Interface, Version Control, System Monitoring, Continuous Monitoring, Data Analysis
Advanced · Course · 1 - 4 Weeks