作者查詢 / TitanEric
作者 TitanEric 在 PTT [ Python ] 看板的留言(推文), 共707則
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6F推: IEEE 75409/22 16:23
2F推: 1G的話pandas還可以應付09/21 18:32
3F→: 不然用spark09/21 18:32
5F推: pandas在讀檔時候可以設定chunks大小09/21 19:15
1F推: 感覺可以用pandas09/20 15:39
7F推: 有點冗長的code 也許可以寫成 pokers.append([i, j])09/18 22:55
8F→: 但也許作者想強調清空list09/18 22:55
5F推: 之後你應該會看到decorator 很有趣又實用的東西09/14 01:53
3F推: 推推09/12 15:26
4F推: 這是numpy array 寫成這樣代表是二維陣列 l[:,var] 代09/11 19:36
5F→: 表取得var那個column09/11 19:36
6F推: 樓上正解09/10 20:28
5F推: 你要先知道不同數據格式有不同的功用 了解這些後會幫09/08 15:28
6F→: 助你學習09/08 15:28
7F推: 這是warning 但還是要改個寫法 請參考他附的連結09/07 10:03
8F推: df.iloc[df.iloc[:, 3] == 'a', 1] += 509/07 10:13
9F→: 請你試一下 手機不方便跑09/07 10:13
12F推: 發現有錯 請無視我QQ09/07 10:48
19F→: 感謝樓上相助09/08 09:06