A distance between two vectors.
Measures how far apart two vectors are: a smaller value means a closer pair. Scale and range depend on the measure, so a distance carries no absolute meaning: it is useful for ranking and for comparison against thresholds tuned for the same measure.
A distance between two vectors.
Measures how far apart two vectors are: a smaller value means a closer pair. Scale and range depend on the measure, so a distance carries no absolute meaning: it is useful for ranking and for comparison against thresholds tuned for the same measure.