[R] Problem with Median
Duncan Murdoch
murdoch.duncan at gmail.com
Mon May 7 21:23:48 CEST 2012
On 07/05/2012 3:05 PM, Suhaila Haji Mohd Hussin wrote:
> I might be silly but if I was going to type in dput() then how should I send the data over here?
Cut and paste. For example, if I have a dataframe named x and type
dput(x), I see
structure(list(a = 1:10), .Names = "a", row.names = c(NA, -10L
), class = "data.frame")
If you run
x <- structure(list(a = 1:10), .Names = "a", row.names = c(NA, -10L
), class = "data.frame")
you'll get a dataframe that looks just like mine. Then you can start to
answer questions about it.
I can't do anything with your jpeg to answer your questions about your
dataframe.
Duncan Murdoch
> 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.goslee at gmail.com
> > To: bell_beauty12 at hotmail.com
> > CC: r-help at 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_beauty12 at 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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