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[分享] 五分鐘建立R的命令列應用程式

[ R_Language ]2 留言, 推噓總分: 0

作者: Wush978 - 發表於 2014/02/07 00:20(10年前)

1^F→gsuper:linux 用戶用的上嗎?02/07 10:52

[問題] 平行運算 60 核

[ R_Language ]3 留言, 推噓總分: 0

作者: gsuper - 發表於 2014/01/28 10:58(10年前)

3^F→gsuper:12000...... 我的天01/28 22:26

[問題] 從多個圖抽取一張圖

[ R_Language ]5 留言, 推噓總分: +1

作者: tai34 - 發表於 2014/01/15 11:21(10年前)

5^F→gsuper:有試過這樣做嗎? saveplot <- plot(x,y) 有時可以01/20 17:58

[問題] grep 字串配對問題

[ R_Language ]4 留言, 推噓總分: +1

作者: min102257 - 發表於 2014/01/08 01:28(10年前)

4^F→gsuper:as.factor(grep("as",資料,value=TRUE))01/08 21:02

[問題] 想請問R有關函數的問題

[ R_Language ]20 留言, 推噓總分: +2

作者: sinasass - 發表於 2014/01/05 00:20(10年前)

8^F→gsuper:你知道全域變數嗎? 試試 s<-1 ; function(s){x <<- s+s}01/05 17:01

9^F→gsuper:01/05 17:02

10^F→gsuper:fx <- function(s){x <<- s+s};fx(1);這樣就不用寫return01/05 17:02

11^F→gsuper:x 變數就會在變數空間出現01/05 17:03

12^F→gsuper:不過平行運算與S3 level 以上的function不適用01/05 17:04

14^F→gsuper:就是 snow 那個 package01/06 11:35

15^F→gsuper:只要寫全域變數就不能 run Rapply() Capply()01/06 11:35

16^F→gsuper:之前為了找出這個原因浪費了不少時間01/06 11:36

17^F→gsuper:S3不適用好像講錯了01/06 11:36

18^F→gsuper:但我印象把 function 包成 S3 的目的就是為了不影響現有的01/06 11:37

19^F→gsuper:變數空間的變數01/06 11:37

[問題] 這種狀況如何畫圖

[ R_Language ]2 留言, 推噓總分: 0

作者: jack781012 - 發表於 2013/12/19 12:03(10年前)

2^F→gsuper:把問題拆開一隻程式不會寫就寫成10小隻12/20 13:32

[問題] 矩陣取值

[ R_Language ]8 留言, 推噓總分: +3

作者: swedrf0112 - 發表於 2013/12/13 21:44(10年前)

4^F推gsuper:我也是!!12/21 17:25

5^F→gsuper:這個問題好恐怖....我以前常常用 trunc()+1 計算 loop 數12/21 17:27

6^F→gsuper:我學長另外發現的問題是在dataframe下用 DATA[,"NAME"]12/21 17:28

7^F→gsuper:有時候會跳出不正確的 column12/21 17:28

8^F→gsuper:所以我都避開 dataframe12/21 17:29

[分享] 五個用R 處理大資料的方法

[ R_Language ]10 留言, 推噓總分: +4

作者: Wush978 - 發表於 2013/12/02 21:57(10年前)

2^F→gsuper:8TB = =a 是我在用的1000倍12/03 13:43

[問題] 如何減少使用for

[ R_Language ]27 留言, 推噓總分: +3

作者: onionsteven - 發表於 2013/12/02 12:03(10年前)

22^F→gsuper:不要思考怎麼躲避回圈應該要思考怎麼安排記憶體12/02 17:04

23^F→gsuper:比方說暫時用不到的的變數移除等12/02 17:05

Re: [問題] 初學R的問題

[ R_Language ]14 留言, 推噓總分: +1

作者: wudistan - 發表於 2013/11/06 12:10(10年前)

11^F→gsuper:反正大資料就是碰到問題後上來版上問11/06 22:22

12^F→gsuper:突破一關是一關反而是統計難學~~11/06 22:23

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