pd.concat(g for _, g in image_prediction.groupby("jpg_url") if len(g) > 1)
时间: 2023-06-11 18:06:32 浏览: 143
这段代码的作用是将image_prediction数据框中同一张图片链接出现多次的数据进行合并。其中,groupby("jpg_url")表示按照图片链接进行分组,len(g) > 1表示有多个重复的数据,因此通过列表推导式g for _, g in image_prediction.groupby("jpg_url") if len(g) > 1将重复数据的分组提取出来,最后通过pd.concat将多个分组数据进行合并。
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