k-nearest neighbors

A k-nearest neighbors model classifies a new point based on the k nearest points in the trained dataset.

In the following you can interactively add 2D data and visualize the KNN classification.

• Clicking on the area adds a data point.
  • Choose which type of data point to add with the radio buttons below.
• Clicking while hoding down an alt key removes the point under cursor.
• Hold down a shift key to start dragging the point under cursor.