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.

Build and launch a real app in just one weekend using modern AI tools and a simple, practical workflow, using Claude Code to plan, generate, and refine your code, managing your project with GitHub, and deploying your finished app online with Vercel. You’ll start with an idea and quickly turn it into a clear project plan, then move step by step into building a working application, focusing on core features, simple architecture, and fast iteration instead of unnecessary complexity, while learning how to work effectively with AI by writing better prompts, fixing errors, and improving features, ending with a live app, a clean GitHub project, and a repeatable system for turning future ideas into real products faster.

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.