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: Time Series Analysis and Forecasting, SAS (Software), Feature Engineering, Statistical Analysis, Digital Signal Processing, Statistical Software, Data Transformation, Exploratory Data Analysis, Data Mining, Data Preprocessing, Unsupervised Learning, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Data Storytelling, Digital Transformation, Data-Driven Decision-Making, Business Transformation, Data Presentation, Data Literacy, Agile Project Management, Business Analytics, Strategic Decision-Making, Decision Intelligence, Data Strategy, Analytics, Customer experience improvement, Scaled Agile Framework, Agile Methodology, Storytelling, Presentations, Microsoft Power Platform, Applied Machine Learning, Stakeholder Communications
★ 4.9 (28) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Relational Databases, Data Visualization, Data Modeling, Cloud Security, Database Management, Database Development, Inventory and Warehousing, Business Intelligence Software, Data Analysis Expressions (DAX), Cloud Management, Advanced Analytics, Cloud-Based Integration, Data Wrangling, Data Management, Performance Measurement, Data Governance, Microsoft Excel, Business Reporting, Cloud Storage, Spreadsheet Software
★ 4.5 (38) · Intermediate · Specialization · 3 - 6 Months

Corporate Finance Institute
Skills you'll gain: Model Evaluation, Feature Engineering, Data Science, Data Analysis, Business Analytics, Data Literacy, Statistical Methods, Predictive Analytics, Predictive Modeling, Data-Driven Decision-Making, Regression Analysis, Statistical Analysis, Business Intelligence, Applied Machine Learning, Machine Learning Methods, Machine Learning, Data Processing, Data Cleansing, Exploratory Data Analysis, Data Preprocessing
★ 4.8 (16) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization, Data Visualization Software, Storytelling, Visual Storytelling, Data Integrity, Driving engagement, Presentations, Microsoft Excel, Design Elements And Principles
★ 4.7 (20) · Beginner · Course · 1 - 4 Weeks

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Data Storytelling, Dashboard, Data Presentation, Data Literacy, Dashboard Creation, Data Visualization, Data-Driven Decision-Making, Data Analysis, Analytics, Data Ethics, Analysis, Workforce Planning, Human Resource Management, Human Resources, Performance Improvement, Personally Identifiable Information, Trend Analysis, Key Performance Indicators (KPIs), Decision Support Systems, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: PySpark, Apache Spark, Customer Analysis, Big Data, Data Processing, Advanced Analytics, Statistical Modeling, Text Mining, Customer Insights, Data Analysis, Risk Modeling, Data Preprocessing, Unstructured Data, Simulation and Simulation Software, Data Manipulation, Business Intelligence, Marketing Analytics, Apache
★ 4.7 (15) · Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Azure Synapse Analytics, Data Integration, Cloud-Based Integration, Data Architecture, Cloud Storage, Data Lakes, Data Pipelines, Data Storage, Databricks, Microsoft SQL Servers, Data Storage Technologies, Dataflow, NoSQL, .NET Framework, Data Security, Encryption, Scalability
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Responsible AI, Data Strategy, Data Ethics, Data Management, Data Security, Generative AI, Generative AI Agents, Data Mapping, AI Integrations, Data Governance, Containerization, Data Architecture, Retrieval-Augmented Generation, Interoperability, Enterprise Architecture, Metadata Management, Data Pipelines, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.6 (14) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Spreadsheet Software, Data Visualization, Data Visualization Software, Excel Formulas, Dashboard, Case Studies, Data Analysis, Business Analytics, Data Presentation, Exploratory Data Analysis, Business, Analysis, Graphing
★ 4.5 (13) · Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Time Series Analysis and Forecasting, Correlation Analysis, Probability & Statistics, Text Mining, Statistical Analysis, Probability Distribution, Data Analysis, Network Analysis, Statistical Methods, Feature Engineering, Probability, Data Mining, Data Structures, Statistics, Descriptive Statistics, Unstructured Data, Data Processing, Data Cleansing, Network Model, Data Preprocessing
Beginner · Course · 1 - 3 Months

Fred Hutchinson Cancer Center
Skills you'll gain: Bioinformatics, Molecular, Cellular, and Microbiology, Molecular Biology, Data Collection, Biochemical Assays, Data Processing, Research, Science and Research, General Science and Research, Laboratory Techniques, Analysis, Research Methodologies, Research Design
★ 3.5 (10) · Intermediate · Course · 1 - 3 Months