chainer.training.extensions.observe_value

chainer.training.extensions.observe_value(observation_key, target_func)[source]

Returns a trainer extension to continuously record a value.

Parameters:
  • observation_key (str) – Key of observation to record.
  • target_func (function) – Function that returns the value to record. It must take one argument: :class:~chainer.training.Trainer object.
Returns:

The extension function.