作者查詢 / Aqery
作者 Aqery 在 PTT [ Statistics ] 看板的留言(推文), 共67則
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1F推:寫batch可執行SAS加上輸出log,我以前都自動每天輸出報表03/08 14:26
2F→:然後再用windows的自動排程執行該batch就好03/08 14:27
1F推:R,SAS,Excel都只是工具,重點是解釋數據的能力,不用執著R03/02 17:53
2F→:你可以先從"問對問題"開始著手,然後開始思考要如何解決問題03/02 17:54
3F→:在根據你的問題來尋找可以解決的統計理論或是工具軟體03/02 17:55
4F→:不然光只是這樣從頭學起太多太雜了,很多東西學過就忘03/02 17:56
5F→:然後,商務應用上,用的到很複雜的統計理論模型情況真的不多03/02 17:56
6F→:比起統計理論,更重要的是對商務操作與數據的嗅覺...03/02 17:57
7F推:我也還在學習路上,共勉之03/02 17:59
7F推:請參考cats, catx 等系列function12/20 17:44
4F推:substr(unit, length(unit)-2)07/21 17:24
15F推:apply系的不是文件都有嗎,還附帶範例給你...05/28 18:19
1F推:names(cart.m)和names(summary(CART.M))可以看到能抓出來的03/21 13:54
2F→:變數,找找看有沒有能用的吧03/21 13:54
1F推:錯誤發生後用traceback(),可以看到是哪段出錯,檢查看看吧03/16 06:38
2F→:bb只是變數名稱,c是定義一個vector,這段沒什麼特別的03/16 06:39
3F推:然後看是哪一段出錯,是makepd4錯還是畫圖的時候錯03/16 06:44
4F→:附帶一提,你的錯誤是在max(numeric(0))的情況下會出現03/16 06:46
5F→:檢查一下你的minmig2,maxmig2是不是哪一段爆了...03/16 06:46
1F推:install.packages("locfit") 會自己上網抓locfit這個package03/10 20:34
2F→:正常的R是沒有這個package的,要用都是另外抓和安裝03/10 20:35
3F推:你第二個問題,會不會是一張畫完馬上被新的取代?03/10 20:38
4F→:script一段一段跑看看,看是不是新圖一直取代舊圖03/10 20:38
5F→:所以最後只能看到最新的圖,我猜啦...03/10 20:39
7F→:畫圖前加個 par(mfrow=c(4,2)) 可以畫在 4*2 的圖上03/10 20:48
8F→:或者是畫每張圖之前加個x11(),這樣會有八張圖(視窗)03/10 20:48
7F→:只有我覺得看help是最基本要做的事情嗎?03/11 22:06
1F推:你把terms(model1)的結果貼出來看看,我猜你裡面有factor12/17 07:13