Name: Feature Engineering Lab
Author: MySimulator

Engineered features

x²

y²

x × y (interaction)

The raw data is an XOR-style pattern: class 1 in the top-right and bottom-left quadrants, class 0 in the other two. No straight line through (x, y) alone can separate it — but a linear model over (x, y, x·y) can.

Model

Features used2

Training accuracy—

Decision boundary in raw (x, y) space