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作者 art1 在 PTT [ Python ] 看板的留言(推文), 共190則
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15F推: 所有值的平均值跟所有值的總和,差這麼多怎麼會誤用呢?11/25 00:49
8F推: 因為基於所有欄位進行的去除重複很容易跟只基於某些欄位的去11/23 05:31
9F→: 除重複的結果不一樣11/23 05:31
10F→: 問題二應該是因為 counts 會計算到重複值,而 value_counts11/23 05:38
11F→: 則要看是出現什麼錯誤11/23 05:39
12F推: 我看書上是寫可以用 nuniques() 來替代11/23 05:42
3F→: numpy 的內建函式不是運算比較快嗎?而且聽說最好不要用迴圈11/22 19:09
4F→: 取用 numpy 陣列的值11/22 19:09
4F→: dtype = np.uint8 的 rgb 圖片,shape 是(height, width, 3)11/17 03:00
11F推: 辛苦了,未來應該有機會用到11/05 22:30
15F→: 感謝樓上提供的資訊10/07 17:45
17F→: 有建好的表真的變輕鬆很多10/07 22:08
1F→: 上一篇推文有人幫我解答了,感恩10/07 17:45
16F推: 那個 r 是 raw 的意思,意思是原始字串,可以避免需要逸出08/06 22:34
17F→: 的情況08/06 22:34
7F推: 可能複製bbs的程式碼直接貼上去? 這樣很容易縮排錯誤08/03 23:04
1F推: 像是少了一個 flow,--model 前面應該是 python flow 才對07/03 00:37