Data Glossary Lab

A What-If Analysis is a data-driven simulation process used to determine how changes in independent variables impact a dependent variable or an overall predicted outcome.

A Window Function is a specific type of operation used in data processing and querying that performs calculations across a defined subset of rows, which are contextually related to the current row being evaluated

A word embedding is a numerical representation of text where individual words or phrases are mapped to continuous vectors of real numbers within a high-dimensional space

The process of extracting data from websites using automated scripts. It involves sending a programmatic request to a web server, retrieving the underlying code of a webpage, and extracting specific, targeted information to save it in a structured local format, such as a database or a spreadsheet.

Word embeddings are the multi-dimensional "coordinate system" of AI, representing a leap from simple word-counting to true semantic understanding.