Search Results for: Labels woven cut to shape
import numpy as np labels = np.array([[ , , ], [ , , ], [ , , ], [ , , ]], dtype=np.uint ) predictions = np.array([[ , , ], [ , , ], [ , , ], [ , , ]], dtype=np.uint ) n_batches = len(labels) 建立评价指标 为了简单起见,这里采用的评估指标是准确度(accuracy): 如果我们想计算整个数据集上的accuracy,可以这样计算: n_items = labels.size accuracy = (labels
sum() n_items_seen += batch_labels.size 而且,我们可以实时地计算每个点处的accuracy: # calculate accuracy on updated values acc = float(n_correct) / n_items_seen 合并前面的功能,我们创建如下的代码: # create running variables n_correct = n_items_seen = def reset_running_variables(): """ resets the previous values of running variables to...
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