class_docstr: Calculate the average precision and average precision at n.
docstr: Gets the number of positive samples that have been accumulated.
docstr_tok: ["Gets","the","number","of","positive","samples","that","have","been","accumulated","."]
code: def num_accumulated_positives(self):
      """Gets the number of positive samples that have been accumulated."""
      return self._total_positives
  
file_path: PaddleHub/modules/video/classification/videotag_tsn_lstm/resource/metrics/youtube8m/average_precision_calculator.py
imports: import heapq
  import random
  import numbers
  import numpy
label_desc: Use image node_id 3 for calling the AveragePrecisionCalculator obj's underlying member method code with example usage: obj.num_accumulated_positives() and returns: self