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.

Università di Napoli Federico II
Skills you'll gain: NoSQL, Apache Hadoop, Apache Hive, Big Data, Database Systems, Artificial Intelligence, Data Architecture, Data Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Database Theory, Distributed Computing, Data Processing, Transaction Processing, Business Intelligence, Data Management
★ 4 (27) · Beginner · Course · 1 - 4 Weeks

Chegg Skills
Skills you'll gain: Pandas (Python Package), Data Cleansing, Data Engineering, Data Quality, Descriptive Statistics, Data Manipulation, Data Wrangling, Statistical Analysis, Data Transformation, Package and Software Management, Data Import/Export, Statistics, Data Preprocessing, Data Processing, Data Analysis, Data Validation, Exploratory Data Analysis, Data Pipelines, NumPy, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Project, Microsoft PowerPoint, Project Schedules, Microsoft Excel, Excel Macros, Microsoft Word, Presentations, Project Management Software, Animations, Project Controls, Excel Formulas, Project Performance, Resource Allocation, Oral Expression, Project Planning, Scheduling, Management Reporting, Spreadsheet Software, Microsoft Office, Technical Documentation
★ 4.7 (13) · Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Key Management, Data Security, Cryptography, Encryption, Cybersecurity, Network Security, Cryptographic Protocols, Security Information and Event Management (SIEM), Network Monitoring, Information Assurance, Network Analysis, Intrusion Detection and Prevention, Security Controls, Event Monitoring, Data Capture, Continuous Monitoring, Threat Detection, Data Integrity
★ 4.9 (69) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Data Mining, Data Pipelines, Analytical Skills, Data Preprocessing, Ideation, Exploratory Data Analysis, Model Evaluation, Technical Writing, Technical Communication
★ 4.4 (33) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Presentation, Data Storytelling, Presentations, Data Cleansing, Rmarkdown, Data-Driven Decision-Making, Data Validation, Data Ethics, R (Software), Analytical Skills, Interactive Data Visualization, Dashboard, Spreadsheet Software, Ggplot2, SQL, File Management, Dashboard Creation, Data Analysis, Sampling (Statistics), Interviewing Skills
★ 4.5 (333) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Visualization, SPSS (Software), Data Presentation, Data Literacy, Statistical Visualization, Statistical Analysis, SPSS, Data Transformation, Data Manipulation, Data Processing, Data Wrangling, Data Analysis, Graphing, Statistical Software, Data Import/Export, File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Market Intelligence, Competitive Intelligence, Competitive Analysis, Market Research, Market Analysis, Market Data, Market Trend, Market Dynamics, Trend Analysis, Business Reporting, Research Reports, Report Writing, Data Collection, Product Strategy, Forecasting, Data Validation, Company, Product, and Service Knowledge, Time Series Analysis and Forecasting, Data Quality, Research Methodologies
Beginner · Course · 1 - 3 Months

Sage Publications
Skills you'll gain: Data Manipulation, Data Wrangling, Data Cleansing, Data Management, Tidyverse (R Package), R (Software), Data Transformation, R Programming, Spatial Data Analysis, Data Processing, SPSS, Spatial Analysis, Text Mining, Data Import/Export, Time Series Analysis and Forecasting, STATA (Software), Metadata Management, Statistical Analysis, Sampling (Statistics), Data Visualization
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Surveys, Survey Creation, Interviewing Skills, Data Collection, Sampling (Statistics), Research Methodologies, Research Design, Data Quality, Social Media Analytics
★ 4.6 (353) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Responsible AI, Data Ethics, AI literacy, Debugging, Data Transformation, Generative AI, Prompt Patterns, Data Preprocessing, Analytics, AI Integrations, AI Workflows, Data Analysis, Data Cleansing, Excel Formulas, Data Manipulation, Code Review, Model Optimization, Data Analysis Software, SQL
★ 4.6 (13) · Intermediate · Course · 1 - 3 Months

Chegg Skills
Skills you'll gain: Prompt Engineering, Business Analytics, Analytics, Responsible AI, Decision Support Systems, Data Literacy, Business Intelligence, Data Storytelling, Data Ethics, Data Analysis, Data Visualization, Predictive Analytics, Decision Making, Business Reporting, Trend Analysis, Artificial Intelligence, Generative AI, Problem Solving, Statistical Analysis, Microsoft Excel
Beginner · Course · 1 - 3 Months