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: Rmarkdown, R (Software), Data Import/Export, R Programming, Ggplot2, Plot (Graphics), Data Manipulation, Plotly, Data Visualization, Web Scraping, Statistical Visualization, Interactive Data Visualization, Data Visualization Software, Data Wrangling, Data Processing, Data Cleansing, Data Transformation, Statistical Programming, Programming Principles, Data Structures
★ 4.7 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Processing, Pivot Tables And Charts, Data Visualization, Data Analysis, Data Transformation, Numerical Analysis, Exploratory Data Analysis, Data Cleansing, Data Structures
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Data Ethics, Data Literacy, File Management, Data Security, Google Sheets, Databases, Data Access, Data Sharing, Data Storage, Data Quality, Data Collection, Data Manipulation, Relational Databases, SQL, Metadata Management, Unstructured Data
★ 4.8 (23K) · Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: NumPy, Matplotlib, Plot (Graphics), Linear Algebra, Pandas (Python Package), Data Manipulation, Applied Mathematics, Data Visualization, Python Programming, Data Analysis, Data Science, Regression Analysis, Data Processing, Statistical Analysis, Mathematics and Mathematical Modeling, Numerical Analysis, Mathematical Modeling, Machine Learning, Computational Logic, Logical Reasoning
★ 3.4 (11) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, Data Integration, Data Quality, Data Analysis Software, Data Manipulation, Data Wrangling, Data Transformation, Data Validation, Jupyter, Data Analysis, Programming Principles, Data Processing, Data Import/Export, Exploratory Data Analysis, Analytics, Development Environment, Python Programming, Command-Line Interface, Code Reusability
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Instructional and Curriculum Design, Needs Assessment, Instructional Design, Learning Theory, Diversity and Inclusion, Training and Development, Education and Training, Process Design, Systems Analysis, Analysis
★ 4.1 (897) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Power BI, Data Transformation, Data Wrangling, Data Cleansing, Query Languages, Data Integration, Data Processing, Data Import/Export, Data Store, Data Quality, Data Analysis, Data Integrity, Anomaly Detection, Data Storage
★ 4.5 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Data Transformation, Data Integration, Pivot Tables And Charts, Data Maintenance, Data Visualization Software, Data Wrangling, Relational Databases, Data Management, Advanced Analytics, Data Manipulation, Data Analysis, Analytics, Data Cleansing, Data Quality, Data Import/Export, Forecasting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Pipelines, SQL, Apache Airflow, Extract, Transform, Load, JSON, Pandas (Python Package), Data Manipulation, Data Warehousing, Database Design, Star Schema, Query Languages, Data Transformation, Performance Tuning, Real Time Data, Big Data, Data Validation, Performance Analysis, Data Quality, Verification And Validation
Intermediate · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Qualitative Research, Case Studies, Interviewing Skills, Research Methodologies, Research, Data Collection, Culture, Psychology
★ 4.8 (28) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Integral Calculus, Numerical Analysis, Calculus, Data Science, Applied Mathematics, Linear Algebra, Probability & Statistics, Derivatives
★ 4.6 (111) · Intermediate · Course · 1 - 4 Weeks