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mindspore2022/docs/api/api_python/nn/mindspore.nn.F1.rst

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update api format
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  1. mindspore.nn.F1

  2. =====================

  3. 

  4. .. py:class:: mindspore.nn.F1

  5. 

  6.     计算F1 score。F1是Fbeta的特殊情况，即beta为1。

  7.     有关更多详细信息，请参阅类:class:`mindspore.nn.Fbeta`。

  8. 

  9.     .. math::

  10.         F_1=\frac{2\cdot true\_positive}{2\cdot true\_positive + false\_negative + false\_positive}

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