chainer.training.extensions.observe_value¶
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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.