Graph Density Uncertainty Scorer

This Node Is Deprecated — This node is kept for backwards-compatibility, but the usage in new workflows is no longer recommended. The documentation below might contain more information.

Calculates/Updates the density of a n-dimensional vector space, based on a kNN graph. For details see the RALF Paper: https://www.d2.mpi-inf.mpg.de/content/ralf-reinforced-active-learning-formulation

Options

Number of Neighbors
The number of neighbors which are considered.
Sigma
The sigma for the distance weighting function
Column Selection
The columns used for calculating the density.

Input Ports

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Rows without an class label.
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Rows that where labeled in the last iteration.

Output Ports

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Unlabed Data with Graph Density score.

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