Learn to represent documents as high-dimensional vectors, apply TF-IDF weighting, measure document similarity, and discover structure in text collections using geometric and statistical modeling—without linguistic or NLP assumptions.

A hands-on, notebook-driven project where you will explore, visualize, and cluster a dataset of superhero statistics using unsupervised learning techniques. You'll perform data cleaning, exploratory analysis, dimensionality reduction with PCA, cluster discovery with K-Means, and anomaly detection with Isolation Forest—all in a strictly linear, function-free Python workflow.

Learn how to integrate and customize Toastify notifications in React applications. Gain practical skills in setting up Toastify, controlling notification behavior, styling and theming toasts, handling advanced scenarios, and applying notifications to real-world user interactions.

Explore the foundations of tokenization in modern language models through the lens of information theory and compression. Understand how subword vocabularies are constructed, how entropy shapes token distributions, and the theoretical limits of tokenization strategies.

A hands-on, step-by-step case study guiding learners through the process of cleaning and exploring a real-world e-commerce transactions dataset using pandas, matplotlib, and seaborn. The course emphasizes linear, notebook-style code execution without function definitions, focusing on practical data wrangling and visualization skills.

A practical, in-depth course on how transactions are managed internally in Spring, focusing on real backend scenarios, internal flows, and integration with JDBC, JPA, and Hibernate. Learn how Spring starts, commits, and rolls back transactions, and how these processes affect real-world applications.

AI is no longer optional — it's part of how work gets done in 2026. This course gives you a practical foundation for working with AI tools confidently and responsibly. No coding required. You'll learn how modern AI actually works, how to get useful results from it, what to watch out for, and how to apply it in your specific role — whether you're in marketing, HR, analytics, or development.

A hands-on project guiding learners through exploratory data analysis and visualization of a city's restaurant market using a real-world dataset. Students will clean data, analyze cuisine and price segments, compare cities, and uncover business opportunities in the HoReCa industry.

In the world of business, making decisions based on hard data rather than intuition can be the key to success. This course focuses on one crucial technique: analyzing A/B test data. The centerpiece of the course is a project where you'll conduct a detailed analysis of an A/B test. This project, which you can showcase in your CV, is hosted on Codefinity, allowing you to continually refine it and demonstrate your growing expertise.

Master the essentials of data visualization and reporting in R. Learn to create compelling graphics, perform exploratory data analysis, and communicate insights effectively using R's powerful tools.

Build dynamic interfaces using Vue.js and modern JavaScript. Render data, handle user interactions, structure components, and manage state in a clear and scalable way.

Learn how Zapier works and how to build automations from simple one step zaps to advanced multi step workflows. The focus is on core automation concepts such as triggers, actions, filters, paths, and data formatting, and how they work together in real scenarios. You will gain hands on experience chaining actions, shaping data, and applying conditional logic to control workflow behavior. The course also covers webhooks and scaling strategies, enabling you to design reliable automations for real world use.

Master the essentials of handling text, dates, and files in R. This course guides you through string manipulation, regular expressions, date-time operations, and file I/O, with engaging explanations and practical challenges for beginners.

Master how to build reliable, type-safe forms in React using Zod. Learn to define validation schemas, integrate them into real React workflows, handle errors gracefully, support asynchronous rules, and work seamlessly with popular form libraries like React Hook Form and Formik.