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mindspore.dataset.BuiltinSampler.b.rst 847 B

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  1. .. py:method:: get_num_samples()
  2. 返回采样器采集样本数量,如果存在子采样器,则子采样器计数可以是数值或None。这些条件会影响最终的采样结果。
  3. 下表显示了调用此函数的可能结果。
  4. .. list-table::
  5. :widths: 25 25 25 25
  6. :header-rows: 1
  7. * - 子采样器
  8. - num_samples
  9. - child_samples
  10. - 结果
  11. * - T
  12. - x
  13. - y
  14. - min(x, y)
  15. * - T
  16. - x
  17. - None
  18. - x
  19. * - T
  20. - None
  21. - y
  22. - y
  23. * - T
  24. - None
  25. - None
  26. - None
  27. * - None
  28. - x
  29. - n/a
  30. - x
  31. * - None
  32. - None
  33. - n/a
  34. - None
  35. **返回:**
  36. int,样本数,可为None。