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作者 milk7054 在 PTT [ Statistics ] 看板的留言(推文), 共35則
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[問題] F-test和民調的關係
[ Statistics ]43 留言, 推噓總分: +3
作者: std92050 - 發表於 2019/06/15 20:59(4年前)
8Fmilk7054: 民進黨支持者與統計學的距離06/22 00:40
9Fmilk7054: 柯要討論是各家民調結果的差異06/22 00:49
10Fmilk7054: 亂數隨機抽樣做出來結果還這麼漂亮,用白話說媽媽生的每06/22 01:01
11Fmilk7054: 個小孩都很像,除非複製人,用論文的角度來說數據結果是06/22 01:01
12Fmilk7054: 重複試到實驗者想要的結果(講白的,太好看的結果多半有06/22 01:01
13Fmilk7054: 鬼)06/22 01:01
14Fmilk7054: 姑且不談統計檢定,光從一般蒐集資料角度來說,例如同一06/22 01:21
15Fmilk7054: 條馬路車流(大型車小型車機車),如果每個時段同一種車輛06/22 01:21
16Fmilk7054: 數據差異太大容易起疑,但數字差異小反而不容易被察覺問06/22 01:21
17Fmilk7054: 題,調查人員甚至可以自行用感覺寫出看似合理的數據但實06/22 01:21
18Fmilk7054: 際上沒使用價值的假數據06/22 01:21
19Fmilk7054: 一個做研究久的人,一定會有敏感要把數據弄到可以漂漂亮06/22 01:23
20Fmilk7054: 亮得到結論的多半是喬過的結果06/22 01:23
21Fmilk7054: 如果數據結果都喬過,用什麼檢定都沒用啦,小孩都生化複06/22 01:27
22Fmilk7054: 製人,你還用什麼儀器去分辨彼此差異,根本脫褲子放屁06/22 01:27
23Fmilk7054: 民調統計軟體跑一跑沒什麼,檢定結果就公認的那幾個沒爭06/22 01:33
24Fmilk7054: 議,重點反而是抽樣過程可信度06/22 01:33
28Fmilk7054: 笑死了,難道你以為統計學就是把課本上作者例題給的data06/22 09:36
29Fmilk7054: 寫算式結論就是統計學?還是你問卷莫名巧妙隨便發一發,06/22 09:36
30Fmilk7054: 學校老師看一看統計軟體跑出來結果,就簽名讓你期末及格06/22 09:36
31Fmilk7054: ?06/22 09:36
32Fmilk7054: 誰告訴你統計學,抽樣過程不能質疑?樣本可疑,你推論母06/22 09:40
33Fmilk7054: 體是推論爽的嗎?06/22 09:40
37Fmilk7054: 原來樓上以為的統計學做出合理的規律找到可用樣本,而不06/22 09:46
38Fmilk7054: 是為了找尋樣本的規律學統計^^06/22 09:46
39Fmilk7054: 是否先照鏡子自己是個綠衛兵,再檢討別人有沒有證據比較06/22 09:47
40Fmilk7054: 好呢^^06/22 09:47
[問題] 用random walk 或 渾沌理論預測股災
[ Statistics ]11 留言, 推噓總分: +3
作者: gdchess - 發表於 2018/08/29 16:57(5年前)
1Fmilk7054: 你要先知道股災的變數是哪個,才能預測08/30 04:16
2Fmilk7054: 預測地震 ,一定是研究者先假定某變數跟地震有關聯08/30 04:17
3Fmilk7054: 證券新開戶數量,但也不代表是新手08/30 04:23
4Fmilk7054: 爬不到相關文獻就放棄吧,硬做出來也是被鞭很慘08/30 04:29
5Fmilk7054: 籌碼少但勝率極高,能代表不懂股市嗎08/30 04:30
[問題] 匯率資料做t檢定
[ Statistics ]3 留言, 推噓總分: 0
作者: raymond5566 - 發表於 2018/07/25 14:59(5年前)
2Fmilk7054: ARIMA,預測跟實際值比較吧~搔頭07/26 06:48
[問題] 古典迴歸假設誤差為常態分配
[ Statistics ]23 留言, 推噓總分: +4
作者: milk7054 - 發表於 2018/07/18 01:08(5年前)
23Fmilk7054: 謝謝^^07/24 18:20
Re: [問題] 母體比例估計之樣本數
[ Statistics ]1 留言, 推噓總分: +1
作者: wwfc - 發表於 2016/09/25 16:05(7年前)
1Fmilk7054: 感謝您09/25 16:07
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