作者查詢 / poototo
作者 poototo 在 PTT [ Python ] 看板的留言(推文), 共155則
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20F推: 降低爬速,加proxy08/17 08:31
4F推: json load有個object_hook,若有需要遞迴處理可參考07/20 19:33
2F推: groupby().nth(n) pandas已經都弄好了07/15 08:27
3F推: 若需要累計,則 groupby().head(n)07/15 08:30
2F推: url要用raw07/07 18:38
2F推: pandas numpy 自己先試試,沒問題的07/06 08:16
3F推: 這就基本的資料清洗,練習df的操作吧07/01 12:48
1F推: row中的數字要真的轉成數值type才存excel06/29 12:33
14F推: IDE 好像都不會顯示更多,是numpy的float32沒錯06/22 15:46
15F→: x = np.float32(-1) 可以用x.all()06/22 15:46
16F→: array.item(n) 跟 array[n] 回傳的類型也不一樣喔06/22 15:48
3F推: 看哪些回應的status code會觸發Retry05/10 19:11
2F推: 另提供其他修改欄位值方式05/08 23:08
3F→: df['價格'].mask(df['價格'] > 50, 1000, inplace=True)05/08 23:08
4F→: se,df,np的where可留意用法05/08 23:09