[問題] output出現奇怪的欄名

[tokyo291 (工口工口)]

[問題類型]:

程式諮詢(我想用R 做某件事情，但是我不知道要怎麼用R 寫出來)


[軟體熟悉度]:
使用者(已經有用R 做過不少作品)

[問題敘述]:
跑自己寫的函數的時候,output出現奇怪的欄名

[程式範例]:

http://codepad.org/aNl1e1Sg
output為

              denominator
[1,] 6.071530    4.165084
[2,] 6.018572    3.188893
[3,] 5.014635    0.585715
[4,] 6.033358    1.041271

第二欄奇怪的多了欄名...
檢查過蠻多次也用browser()去檢查
依然是找不到原因


[環境敘述]:
> sessionInfo()
R version 3.1.2 (2014-10-31)
Platform: x86_64-w64-mingw32/x64 (64-bit)

locale:
[1] LC_COLLATE=Chinese (Traditional)_Taiwan.950
[2] LC_CTYPE=Chinese (Traditional)_Taiwan.950
[3] LC_MONETARY=Chinese (Traditional)_Taiwan.950
[4] LC_NUMERIC=C
[5] LC_TIME=Chinese (Traditional)_Taiwan.950

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] snowfall_1.84-6 snow_0.3-13     MASS_7.3-40     survival_2.38-1
[5] emplik_0.9-9-6  quantreg_5.11   SparseM_1.6

loaded via a namespace (and not attached):
[1] splines_3.1.2 tools_3.1.2





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※ 編輯: tokyo291 (140.116.152.181), 04/15/2015 02:13:51
→ celestialgod: var_el用了lab_alpha第二個ROW從那來的