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Defined in tensorflow/python/summary/

Outputs a Summary protocol buffer with a histogram.

Adding a histogram summary makes it possible to visualize your data's distribution in TensorBoard. You can see a detailed explanation of the TensorBoard histogram dashboard here.

The generated Summary has one summary value containing a histogram for values.

This op reports an InvalidArgument error if any value is not finite.


  • name: A name for the generated node. Will also serve as a series name in TensorBoard.
  • values: A real numeric Tensor. Any shape. Values to use to build the histogram.
  • collections: Optional list of graph collections keys. The new summary op is added to these collections. Defaults to [GraphKeys.SUMMARIES].
  • family: Optional; if provided, used as the prefix of the summary tag name, which controls the tab name used for display on Tensorboard.


A scalar Tensor of type string. The serialized Summary protocol buffer.