[R] Problem with cut

[jim holtman]

You can also get more detail on where the intervals are with 'dig.lab':

> cc <- cut(vv, 12, dig.lab=6)
> str(cc)
 Factor w/ 12 levels "(149.804,166.17]",..: 1 1 1 1 1 2 2 2 2 3 ...
> cc
 [1] (149.804,166.17]  (149.804,166.17]  (149.804,166.17]
(149.804,166.17]  (149.804,166.17]
 [6] (166.17,182.536]  (166.17,182.536]  (166.17,182.536]
(166.17,182.536]  (182.536,198.902]
[11] (182.536,198.902] (182.536,198.902] (182.536,198.902]
(198.902,215.268] (198.902,215.268]
[16] (198.902,215.268] (198.902,215.268] (215.268,231.634]
(215.268,231.634] (215.268,231.634]
[21] (215.268,231.634] (231.634,248]     (231.634,248]
(231.634,248]     (231.634,248]
[26] (248,264.366]     (248,264.366]     (248,264.366]
(248,264.366]     (264.366,280.732]
[31] (264.366,280.732] (264.366,280.732] (264.366,280.732]
(280.732,297.098] (280.732,297.098]
[36] (280.732,297.098] (280.732,297.098] (297.098,313.464]
(297.098,313.464] (297.098,313.464]
[41] (297.098,313.464] (313.464,329.83]  (313.464,329.83]
(313.464,329.83]  (313.464,329.83]
[46] (329.83,346.196]  (329.83,346.196]  (329.83,346.196]
(329.83,346.196]  (329.83,346.196]
12 Levels: (149.804,166.17] (166.17,182.536] (182.536,198.902]
(198.902,215.268] ... (329.83,346.196]
>

On Fri, Feb 22, 2008 at 10:59 AM, Henrique Dallazuanna <wwwhsd at gmail.com> wrote:
> Is to show the categorys which contains '330'
>
> On 22/02/2008, Heinz Tuechler <tuechler at gmx.at> wrote:
> > At 15:22 22.02.2008, Henrique Dallazuanna wrote:
> >  >Try this:
> >  >
> >  >grep("330", levels(cc), value=T)
> >
> >
> > Could you please explain in a little more detail,
> >  how this answers the original question?
> >
> > "I would have expected 330 to fall into (313,330] category.
> >   Can you please advice what do I do wrong?"
> >
> >
> > Thank you
> >
> >
> >  Heinz
>
> >
> >
> >
> >  >On 22/02/2008, Jussi.Lehto at ubs.com <Jussi.Lehto at ubs.com> wrote:
> >  > > Hi All,
> >  > >
> >  > >  I might misunderstood how cut works. But following behaviour surprises
> >  > >  me.
> >  > >
> >  > >  vv <- seq(150, 346, by= 4)
> >  > >  cc <- cut(vv, 12)
> >  > >  cc[vv == 330]
> >  > >  Results [1] (330,346]
> >  > >
> >  > >  I would have expected 330 to fall into (313,330] category.
> >  > >
> >  > >  Can you please advice what do I do wrong?
> >  > >
> >  > >  Many Thanks,
> >  > >  Jussi Lehto
> >  > >
> >  > > Visit our website at http://www.ubs.com
> >  > >
> >  > >  This message contains confidential information and is in...{{dropped:29}}
> >  > >
> >  > >
> >  > > ______________________________________________
> >  > >  R-help at 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.
> >  > >
> >  > >
> >  >
> >  >
> >  >--
> >  >Henrique Dallazuanna
> >  >Curitiba-Paraná-Brasil
> >  >25° 25' 40" S 49° 16' 22" O
> >  >
> >  >______________________________________________
> >  >R-help at 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.
> >
> >
> >
>
>
> --
> Henrique Dallazuanna
> Curitiba-Paraná-Brasil
> 25° 25' 40" S 49° 16' 22" O
>
> ______________________________________________
> R-help at 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.
>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?