本文整理匯總了Python中mean_average_precision_calculator.MeanAveragePrecisionCalculator方法的典型用法代碼示例。如果您正苦於以下問題：Python mean_average_precision_calculator.MeanAveragePrecisionCalculator方法的具體用法？Python mean_average_precision_calculator.MeanAveragePrecisionCalculator怎麽用？Python mean_average_precision_calculator.MeanAveragePrecisionCalculator使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類mean_average_precision_calculator的用法示例。
在下文中一共展示了mean_average_precision_calculator.MeanAveragePrecisionCalculator方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: __init__
# 需要導入模塊: import mean_average_precision_calculator [as 別名]
# 或者: from mean_average_precision_calculator import MeanAveragePrecisionCalculator [as 別名]
def __init__(self, num_class, top_k):
"""Construct an EvaluationMetrics object to store the evaluation metrics.
Args:
num_class: A positive integer specifying the number of classes.
top_k: A positive integer specifying how many predictions are considered per video.
Raises:
ValueError: An error occurred when MeanAveragePrecisionCalculator cannot
not be constructed.
"""
self.sum_hit_at_one = 0.0
self.sum_perr = 0.0
self.sum_loss = 0.0
self.map_calculator = map_calculator.MeanAveragePrecisionCalculator(num_class)
self.global_ap_calculator = ap_calculator.AveragePrecisionCalculator()
self.top_k = top_k
self.num_examples = 0