tf.keras.losses.Poisson

Computes the Poisson loss between y_true & y_pred.

Inherits From: Loss

tf.keras.losses.Poisson(
    reduction='sum_over_batch_size', name='poisson'
)

Formula:

loss = y_pred - y_true * log(y_pred)

Args
reduction	Type of reduction to apply to the loss. In almost all cases this should be "sum_over_batch_size". Supported options are "sum", "sum_over_batch_size" or None.
name	Optional name for the loss instance.

Methods

call

View source

call(
    y_true, y_pred
)

from_config

View source

@classmethod
from_config(
    config
)

get_config

View source

get_config()

__call__

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__call__(
    y_true, y_pred, sample_weight=None
)

Call self as a function.