Re: [R] Sorting Data?

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From: Martin Klaffenboeck (martin.klaffenboeck@gmx.at)
Date: Fri 28 May 2004 - 18:40:36 EST


Message-id: <20040528084036.GA4117@martin.kleinerdrache.org>

Am 27.05.2004 22:11:04 schrieb(en) Berton Gunter:
> Your question does not make a lot of sense to me. If you only want
> to compute distances between mothers and THEIR daughters, you
> cannot have a matrix, because different mothers have different
> numbers of daughters.

Thats true, but we took only one mother and one daugther in our sample,
so in this sample we have only on daugther from one mother.

> Do you want to define the distance between a mother and someone
> else's daughter as 0 or INF ? Do you want to show that mothers and
> their daughters are more similar then mothers and someone else's
> daughters?

Thats my question, yes. ;-)

> You either need to think about what you wish to do more carefully or
> express it more carefully. At least for me. Maybe someone else will
> understand you better.

Sorry, its the first time for me to talking about statistics in english
and so I have to learn to express it better.

Martin

> -- Bert
>
> Martin Klaffenboeck wrote:
>
> > Hello,
> >
> > Im reading through some manuals, but I cannot find my answer.
> >
> > I have a file containing many data:
> >
> > Vpn Code Family Age F1 F2 ... F17
> > 1 1 M 46 1 2 ... 1
> > 2 1 D 18 3 2 ... 4
> > 3 2 M 50 3 3 ... 3
> > ...
> > and so on.
> >
> > Now I can read it by:
> >
> > F = read.table("file", header=T)
> >
> > but now I want to seperate the mothers (M) and daugthers (D) of the
> > family with all the data in all other fields. How can I do that?
> >
> > The 'Code' Tells me which mother belongs to which dougther. I want
> to
> > make a matrix where I have the mothers on one and the daugthers on
> the
> > other axis and compair the distance of every question (F1...F17)
> and
> > the distance of the sum of this questions. The questions are
> semantic
> > differencials, 5 values. F4, and F7 must have reverse polarity in
> this
> > case.
> >
> > Hm. How do I have to do now?
> >
> > Thanks,
> > Martin
> >
> > ______________________________________________
> > R-help@stat.math.ethz.ch mailing list
> > https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide!
> http://www.R-project.org/posting-guide.html
>
> --
>
> Bert Gunter
>
> Non-Clinical Biostatistics
> Genentech
> MS: 240B
> Phone: 650-467-7374
>
>
> "The business of the statistician is to catalyze the scientific
> learning
> process."
>
> -- George E.P. Box
>
>
>
>
>

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