作者查詢 / evilove
作者 evilove 在 PTT [ R_Language ] 看板的留言(推文), 共19則
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2F推: 你的關鍵字不是sampling 應該是 matching; e.g.,06/29 21:34
3F→: case control matching06/29 21:35
4F推: 一樓的做法也可以,但如果變項很多,或是需要找"相似"時06/29 21:37
5F→: 如果code寫不好會跑很慢06/29 21:38
1F推: 不懂你的意思 你不load data進去R R怎麼可能處理?09/29 11:58
2F推: 你join的key不是unique04/24 06:46
6F推: excel裡設成數值再匯進去看看03/08 23:20
1F推: 要寫完整檔案路徑,譬如 "C://Users/name/doc/file.csvy"08/30 09:20
34F推: 為什麼我完全看不懂原po的需求@@..02/17 13:40
1F推: 檢查一下你的amount有沒有非數字在裡面01/24 05:47
12F推: 建議合併第一欄與第二欄的數字05/21 22:59
32F推: 如果只是整理資料不考慮用SQL做嗎?01/15 12:36
4F推: two-mode network,try tnet package04/23 12:08