Re: [R] strange data set output

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

[R] strange data set output

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] 14002 > head(logit.pred) tree.pred valid.out 754 0.6550606 1 1080 0.6353524