[R] Select only cases with negative values
wwwhsd at gmail.com
Sat Oct 18 23:15:53 CEST 2008
dat.lm <-lm(c~d, subset=d < 0)
On Sat, Oct 18, 2008 at 7:03 PM, Michael Just <mgjust at gmail.com> wrote:
> I was wondering if there was a way to only select cases my from data
> frame that contained a negative value?
>> d<- c(-1,2,-3,-4,5,6,-7,8,-9,10)
>> f <- cbind(c,d)
>> dat <-data.frame(f)
>> dat.lm <-lm(c~d)
> If I wanted to only use the rows that had a negative value in column d
> for my regression, how could I make that selection?
> Michael Just
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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