[R] output without labels and delimited by Tab

[ben@zoo.ufl.edu]

  Once you get to this level, the best reference is the language itself
-- just type

summary.data.frame

for a listing of the function code.  (Luckily, this piece of R is written
in the R language and not in C or FORTRAN, so you don't have to go hunting
through source code.)

On Mon, 26 Feb 2001, Yu-Ling Wu wrote:

> Thank you very much! This is helpful!
> I'd like to know more about summary.data.frame but the
> R-language reference is not quite detailed. Where I
> can find a more detailed document about it?
>
> Thanks,
> Yu-Ling Wu
>
> --- ben at zoo.ufl.edu wrote:
> >
> >   The main function driving the formatting here is
> > summary.data.frame().
> > You can hack this function to get the formatting you
> > want.
> >
> >   Or (for a probably-quicker but less general
> > solution) you can just write
> > your own function with less complication than
> > summary.data.frame.
> >
> > mysum <- function(x) {
> >   qq <- quantile(x,c(0.25,0.5,0.75))
> >   c(min(x),qq[1:2],mean(x),qq[3],max(x))
> > }
> >
> >
> write.table(apply(x,2,mysum),sep="\t",quote=FALSE,row.names=FALSE)
> >
> > Does more or less what you want, although there is a
> > problem with the
> > column headers being shorter (and thus not tabbed
> > over as far) as the
> > columns.  You could implement something with
> > blank-padding, keeping the
> > same number of significant digits for all the
> > numbers, etc., but
> > eventually you will find yourself rewriting
> > summary.data.frame() from
> > scratch.
> >
> > On Mon, 26 Feb 2001, Yu-Ling Wu wrote:
> >
> > > Hi,
> > >
> > > I have a set of data and when I run
> > "summary(data)", I
> > > got the following output:
> > >
> > >     dstuser         dstmethod        numaction
> > >  Min.   : 0.000   Min.   : 0.000   Min.   :  0.00
> > >  1st Qu.: 1.000   1st Qu.: 1.000   1st Qu.:  2.00
> > >  Median : 3.000   Median : 6.500   Median : 33.00
> > >  Mean   : 4.894   Mean   : 6.565   Mean   : 59.32
> > >  3rd Qu.: 9.000   3rd Qu.:11.000   3rd Qu.: 94.25
> > >  Max.   :25.000   Max.   :19.000   Max.   :317.00
> > >
> > > Question (1): How to make the output look like
> > this
> > > (get rid of the "labels")?
> > >
> > > dstuser dstmethod  numaction
> > >  0.000   0.000   0.00
> > >  1.000   1.000   2.00
> > >  3.000   6.500   33.00
> > >  4.894   6.565   59.32
> > >  9.000   11.000  94.25
> > >  25.000  19.000  317.00
> > >
> > > Question (2): How to make each column delimited by
> > Tab
> > > instead of white spaces?
> > >
> > > Thanks,
> > > Yu-Ling Wu
> > >
> > > __________________________________________________
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> > --
> > 318 Carr Hall
> > bolker at zoo.ufl.edu
> > Zoology Department, University of Florida
> > http://www.zoo.ufl.edu/bolker
> > Box 118525                                   (ph)
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> > Gainesville, FL 32611-8525                   (fax)
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> >
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>
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-- 
318 Carr Hall                                bolker at zoo.ufl.edu
Zoology Department, University of Florida    http://www.zoo.ufl.edu/bolker
Box 118525                                   (ph)  352-392-5697
Gainesville, FL 32611-8525                   (fax) 352-392-3704

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