The str function would have given you a better one-shot look at
logit.pred.
--
David.
On Jul 2, 2010, at 8:07 PM, Changbin Du wrote:
Hi, Dear Community,
My data set logit.pred contains 2 columns and 1400 rows. When I
want to use
the first column, it is very strange. Where the $ come out? Thanks
so much!
dim(logit.pred)
[1] 1400 2
head(logit.pred)
tree.pred valid.out
754 0.6550606 1
1080 0.6353524 1
100 0.6371222 1
192 0.8145823 1
648 0.7155204 1
635 0.2012797 1
logit.pred[1:10,1]
$`754`
[1] 0.6550606
$`1080`
[1] 0.6353524
$`100`
[1] 0.6371222
$`192`
[1] 0.8145823
$`648`
[1] 0.7155204
$`635`
[1] 0.2012797
$`1810`
[1] 0.1701353
$`1630`
[1] 0.8228904
$`238`
[1] 0.5335658
$`1341`
[1] 0.7337714
--
Sincerely,
Changbin
--
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