> as.logical(c(1,0,1,1))
[1] TRUE FALSE TRUE TRUE
?as.logical
On Sun, Oct 30, 2011 at 8:50 PM, Alaios <ala...@yahoo.com> wrote:
> probably you mean
>
>
>
>
> For [-indexing only: i, j, ... can be logical
> vectors, indicating elements/slices to select. Such vectors
> are recycled if necessary to match the corresponding extent.
> i, j, ... can also be negative integers, indicating
> elements/slices to leave out of the selection.
>
>
>
> How can i convert the positives to TRUE and zeros and FALSE?
>
>
>
> ________________________________
> From: William Dunlap <wdun...@tibco.com>
>
> Sent: Sunday, October 30, 2011 9:17 PM
> Subject: RE: [R] why the a[-indx] does not work?
>
> > a[overLoadTesT==0]
> [1] 2 4 5 6 7 8 9 10
> Look into help('[') or help('Subscript') to see
> how integer and logical (Boolean) subscripts differ.
>
> Bill Dunlap
> Spotfire, TIBCO Software
> wdunlap tibco.com
>
> > -----Original Message-----
> > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
> On Behalf Of Alaios
> > Sent: Sunday, October 30, 2011 11:52 AM
> > To: R-help@r-project.org
> > Subject: [R] why the a[-indx] does not work?
> >
> > Dear all,
> >
> > Could you please explain me why
> >
> > > OverloadsTesT
> > [1] 1 0 1 0 0 0 0 0 0 0
> > > a<-matrix(data=seq(1,10),nrow=10)
> > > a
> > [,1]
> > [1,] 1
> > [2,] 2
> > [3,] 3
> > [4,] 4
> > [5,] 5
> > [6,] 6
> > [7,] 7
> > [8,] 8
> > [9,] 9
> > [10,] 10
> > > a[-OverloadsTesT]
> > [1] 2 3 4 5 6 7 8 9 10
> >
> >
> >
> > the last line does not remove the first and third element and only does
> the first element.?
> >
> > What I want to do is for zeros to return the elements and for any
> positive value to remove it.
> > What I am doing wrong?
> >
> > B.R
> > Alex
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
> [[alternative HTML version deleted]]
>
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
>
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
