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[程式] SAS百分比問題

[ Statistics ]5 留言, 推噓總分: +1

作者: Trumpet01017 - 發表於 2020/10/18 16:44(5年前)

1^F推kevin6677: 我想到在data裡面用+=語法新建兩個變量，一個是n+=1另10/20 06:39

2^F→kevin6677: 一個用if outcome eq “S”時 s += 1，最後用s/n就能得10/20 06:39

3^F→kevin6677: 到你要的結果了（用keep或drop拋棄你不要的變量10/20 06:39

[問題] 一題變異數算法

[ Statistics ]8 留言, 推噓總分: +1

作者: kaimao135559 - 發表於 2020/09/25 23:03(5年前)

5^F推kevin6677: 一般我會用V(Y)=700V(Xi)=700(E(X^2)-E(X)^2)來計算09/27 11:21

6^F→kevin6677: E(X^2)=0.39*-1^2+0+0.41*1=0.8，E(X)^2=0.04代入算算09/27 11:24

7^F→kevin6677: 看，答案也是一樣的09/27 11:24

8^F→kevin6677: 啊...Mu平方少兩個零，應該是0.000409/27 11:26

[程式] sas 只有出現文字檔的年月如何轉換

[ Statistics ]5 留言, 推噓總分: +3

作者: xuxnes - 發表於 2020/05/26 15:14(5年前)

5^F推kevin6677: 我覺得是用substr()切割後再用NWKDOM()拼起來05/27 01:59

[程式] excel 匯入sas 後日期跑掉

[ Statistics ]28 留言, 推噓總分: +6

作者: gujason9511 - 發表於 2020/03/18 15:10(5年前)

3^F推kevin6677: 你顯示的時候要加一個Format 指令03/22 08:39

4^F→kevin6677: proc print data=; format 目標 date7.;之類的03/22 08:41

5^F→kevin6677: 當然還有很多不同的時間顯示方式，可以找找03/22 08:41

11^F推kevin6677: 匯入就是一串數字，這是sas預設的，你要加format 的地03/24 00:40

12^F→kevin6677: 方是在你輸出的時候，我上面是以proc print作例子03/24 00:40

13^F推kevin6677: 咦...等等為什麼你的是出現在column name上...03/24 00:43

[問題] 如何以統計分析這筆資料

[ Statistics ]4 留言, 推噓總分: +3

作者: Cappello - 發表於 2019/04/04 20:44(6年前)

4^F推kevin6677: 感覺就是一般的DEA,complete blocking的設計04/09 10:02

[問題] 給pdf求一函數的期望值

[ Statistics ]4 留言, 推噓總分: +1

作者: AmigoSafin - 發表於 2018/09/29 04:03(7年前)

2^F→kevin6677: e^x你從0積到無限大看看，很精采喔09/29 09:18

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