From: Gabor Grothendieck <ggrothendieck_at_gmail.com>

Date: Wed 01 Jun 2005 - 23:48:13 EST

90.79

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Wed Jun 01 23:51:53 2005

Date: Wed 01 Jun 2005 - 23:48:13 EST

On 6/1/05, Earl F. Glynn <efg@stowers-institute.org> wrote:

> "Berton Gunter" <gunter.berton@gene.com> wrote in message

*> news:200505312240.j4VMepGX000203@hertz.gene.com...
**> > summary() is an S3 generic that for your vector dispatches
**> > summary.default(). The output of summary default has class "table" and so
**> > calls print.table (print is another S3 generic). Look at the code of
**> > print.table() to see how it formats the output.
**>
**> "Marc Schwartz" <MSchwartz@MedAnalytics.com> wrote in message
**> news:1117582325.22595.175.camel@horizons.localdomain...
**> > On Tue, 2005-05-31 at 17:14 -0500, Earl F. Glynn wrote:
**>
**> > > Why isn't the number of NA's just "2" instead of the "2.000" shown
**> above?
**>
**> > "The same number of decimal places is used throughout a vector
**>
**> I'm talking about how this should be designed. The current impementation
**> may be to print a vector using generic logic, but why use generic logic to
**> produce a wrong solution? Shouldn't correctness be more important than using
**> a generic solution?
**>
**> There is special logic to suppress NA's when they don't exist (see below),
**> so why isn't there special logic to print the count of NAs, which MUST be an
**> integer, correctly when they do exist?
**>
**> An integer should NOT be displayed with meaningless decimal places. Why
**> would this ever be desirable? The generic solution should be dropped in
**> favor of a correct solution.
**>
**> # Why not use special logic to show the number of NA's correctly as an
**> integer?
**> > set.seed(19)
**> > summary( c(NA, runif(10,1,100), NaN) )
**> Min. 1st Qu. Median Mean 3rd Qu. Max. NA's
**> 7.771 24.850 43.040 43.940 63.540 83.830 2.000
**>
**> # There is already special logic to suppress NA's
**> > set.seed(19)
**> > summary( runif(10,1,100) )
**> Min. 1st Qu. Median Mean 3rd Qu. Max.
**> 7.771 24.850 43.040 43.940 63.540 83.830
**>
**> "2.000" and "2" do not have equivalent meaning.
*

Try:

R> library(Hmisc)

R> describe( c(NA, runif(10,1,100), NaN) )
c(NA, runif(10, 1, 100), NaN)

n missing unique Mean .05 .10 .25 .50 .75 .90 10 2 10 50.99 15.24 16.82 21.14 52.70 76.35 83.52.95

90.79

13.65 17.17 18.12 30.18 46.21 59.19 65.36 80.01 81.90 98.06 Frequency 1 1 1 1 1 1 1 1 1 1 % 10 10 10 10 10 10 10 10 10 10 ______________________________________________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 Received on Wed Jun 01 23:51:53 2005

*
This archive was generated by hypermail 2.1.8
: Fri 03 Mar 2006 - 03:32:20 EST
*