Hi
>
>
> I might be silly but if I was going to type in dput() then how should I
> send the data over here?
> dput(zdrz20)
outputs tou your console
structure(list(sklon = c(95, 95, 40, 40, 40, 40, 20, 20, 20,
20, 20, 20, 20), ot = c(15, 4, 10, 15, 4, 1.5, 1.5, 4, 10, 15,
4, 10, 15), doba = c(5.883333333, 15.75, 12.5, 9.166666667, 27,
65.16666667, 88, 38.25, 17.33333333, 12.5, 38.2, 17.3, 12.5)), .Names =
c("sklon",
"ot", "doba"), row.names = c(NA, 13L), class = "data.frame")
you can copy it to your mail and anybody can just paste this and assign it
to an object.
a.AC <- subset(data, class == "A-C", select = a)
This result probably in data frame (you can check by str(a.AC)) and as
such you can not put it directly to median function.
Regards
Petr
> Instead, I've just uploaded the image online, you can access it via the
link below.
> http://i1165.photobucket.com/albums/q585/halfpirate/data.jpg
>
> > Date: Mon, 7 May 2012 14:55:24 -0400
> > Subject: Re: [R] Problem with Median
> > From: sarah.gos...@gmail.com
> > To: bell_beaut...@hotmail.com
> > CC: r-help@r-project.org
> >
> > Please use dput() to give us your data (eg dput(data) ) rather than
> > simply pasting it in.
> >
> > Sarah
> >
> > On Mon, May 7, 2012 at 2:52 PM, Suhaila Haji Mohd Hussin
> > <bell_beaut...@hotmail.com> wrote:
> > >
> > > Hello.
> > > I'm trying to compute median for a filtered column based on other
> column but there was something wrong. I'll show how I did step by step.
> > > Here's the data:
> > > a b c class
> > >
> > > 1 12 0 90 A-B2 3 97 11 A-B3 78 NA 123
> A-C4 NA NA 12 A-C5 8 33 2 A-B6 12 NA 0
A-D
> > > On the command I typed:
> > > 1) data = read.csv("data.csv")
> > >
> > > 2) a.AC <- subset(data, class == "A-C", select = a)
> > > 3) median(a.AC)Error in median.default(a.AC) : need numeric data
> > > 4) is.numeric(a.AC)FALSE
> > > 5) as.numeric(a.AC)Error: (list) object cannot be coerced to type
'double'
> > > How can I fix this? Please help.
> > > Cheers,Suhaila
> >
> >
> > --
> > Sarah Goslee
> > http://www.functionaldiversity.org
> ______________________________________________
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