作者查詢 / Wush978
作者 Wush978 在 PTT [ R_Language ] 看板的留言(推文), 共1255則
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3F→: side effect? 你有確定第二次的結果正確嗎?03/19 08:58
5F推: 因為你的邏輯有順序問題,建議用SQL的window clause11/22 08:47
6F→: R我目前不知道有沒有window clause的替代品11/22 08:48
6F推: 檢查檔案有沒有毀損08/21 12:36
2F推: 第一個應該是撞到單一vector長度的上限08/04 12:38
1F推: 有error log嗎?06/24 07:39
1F推: tryCatch 要寫在迴圈裏面06/20 17:20
2F→: tryCatch 中的 expression 如果發生錯誤會呼叫 error 函06/20 17:20
3F→: 數而停止執行06/20 17:20
4F→: 所以你的寫法中,迴圈就斷了06/20 17:21
5F→: 如果你是寫在迴圈裏面,for (i in ...) tryCatch(...)06/20 17:21
6F→: 那有tryCatch 的時候,R系統不會拋出錯誤,迴圈會繼續06/20 17:21
7F→: 如果沒有tryCatch, 發生錯誤後R會中斷所有正在跑的敘述06/20 17:22
8F→: 如果是 column 相同的話,可以用 abs(B - A[1,]) 然後和06/15 09:23
9F→: 0 比較來找。06/15 09:23
1F→: 你可以把你的問題先站內信給我看看有沒有簡單答案06/07 01:15
1F→: 關於轉換的邏輯,有沒有簡單一點的描述呢?02/20 15:53
6F推: 你有用sourceCpp之類的函數嗎?有的話在平行化時在wor10/29 11:39
7F→: kers10/29 11:39
8F→: 每個worker要重新sourceCpp,因為這種函數R沒辦法傳給10/29 11:40
9F→: workers10/29 11:40
13F推: workers 就是平行化時候,除了主要的R process 外的其他y11/06 12:06
14F→: process。11/06 12:06