Calculates the number of false negatives.

Inherits From: Metric, Layer, Module

Used in the notebooks

Used in the tutorials

If sample_weight is given, calculates the sum of the weights of false negatives. This metric creates one local variable, accumulator that is used to keep track of the number of false negatives.

If sample_weight is None, weights default to 1. Use sample_weight of 0 to mask values.