IndexError: only integers, slices (`:`), ellipsis (`...`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices - 碼上快樂

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IndexError: only integers, slices (`:`), ellipsis (`...`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices

本文轉載自查看原文 2022-03-09 18:06 2990 bug/ numpy

代碼：

cate_ids=np.unique(gt_box_array[:,-1])

for tmp_cateid in cate_ids:

conf_matrix[tmp_cateid,0]+=1

原因：numpy里面不指定類型的話，默認是float64位，無法作為索引

修改：強轉為int ，即conf_matrix[int(tmp_cateid),0]+=1

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