Re: [R] problem with summary of data

From: Peter Dalgaard <p.dalgaard_at_biostat.ku.dk>
Date: Sat 23 Sep 2006 - 17:54:35 GMT

"David Barron" <mothsailor@googlemail.com> writes:

> You haven't shown the command you used to input the data, but it looks as
> though you haven't told R not to convert the input into factors.

Looks even more like R wasn't told that the first line of data was the variable names.

> summary on
> factors shows the frequencies of the levels for each variable, which is what
> your output shows. See ?read.table for how to prevent conversion into
> factors.

And possibly also the Data Import/Export manual.

> On 23/09/06, Nel N. <eeneling@yahoo.com> wrote:
> >
> >
> > Greetings everybody,
> > I'm new with R and I'm trying to do some statistical analysis with R using
> > my data.
> > It is a DNA microarray data with 69 samples(row) and 7070 (column)
> > variables. I read the file using the command
> > 'file.table' and it can be done with no error.However, when I tried
> > running
> > a summary of the data, the result was not what I had expected. Below is an
> > extract of the result. And I knew that the command summary will give a
> > summary of a data's descriptive statistics such as it's median,mean,etc.So
> > ,
> > what i want is the statistics summary of each gene (in each column).
> > V7065 V7066 V7067 V7068 V7069
> > 20 :29 20 :69 117 : 2 39 : 6 20 :69
> > 25 : 4 X16699_at: 1 134 : 2 42 : 4 L49218_f_at: 1
> > 30 : 4 142 : 2 44 : 4
> > 23 : 3 170 : 2 46 : 4
> > 26 : 3 203 : 2 38 : 3
> > 21 : 2 96 : 2 58 : 3
> > (Other):25 (Other):58 (Other):46
> > V7070 V7071
> > 30 : 5 20 :69
> > 21 : 4 Z78285_f_at: 1
> > 51 : 4
> > 64 : 4
> > 27 : 3
> > 36 : 3
> > (Other):47
> > My data is in .dat format. Also, I have downloaded a few .rda files to be
> > tried out with R but how do I view them as data per se, like the .dat file
> > can be viewed and edited using Notepad, how about the .rda files?
> > I express my greatest appreciation all who help.
> > Thank you.
> > --
> > View this message in context:
> > http://www.nabble.com/problem-with-summary-of-data-tf2322882.html#a6462497
> > Sent from the R help mailing list archive at Nabble.com.
> >
> > ______________________________________________
> > R-help@stat.math.ethz.ch 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.
> >
>
>
>
> --
> =================================
> David Barron
> Said Business School
> University of Oxford
> Park End Street
> Oxford OX1 1HP
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

-- 
   O__  ---- Peter Dalgaard             ุster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)                  FAX: (+45) 35327907

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Received on Sun Sep 24 03:59:30 2006

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