Data Glossary Lab

A transformer is the revolutionary neural network architecture that serves as the engine for modern Large Language Models (LLMs) like GPT-4, Claude, and Gemini.

A tokenizer is the linguistic translator of the AI world, acting as the essential bridge between raw human language and machine-readable data. While humans perceive sentences as fluid ideas and flowing text, computers can only process structured numerical sequences.

Tableau is a visual analytics platform, not just a reporting tool. While Excel allows you to record data, Tableau allows you to see and understand it. It transforms static tables and rigid reports into an interactive, exploratory canvas. The core difference is the philosophy of "flow." In a traditional setup, analysis is a linear, stop-and-start process of querying databases and formatting charts. In Tableau, these actions happen simultaneously. The interface serves as a direct extension of the user’s thought process, allowing them to drag, drop, and pivot data to answer questions as fast as they can think of them. It solves the "insight gap." Instead of waiting for IT to generate a static report, Tableau empowers business users to connect to live data, blend sources, and discover trends on their own. It is intelligence through visualization.

Training data is the raw material that transforms dumb algorithms into intelligent systems.