Displaying 20 results from an estimated 4000 matches similar to: "[OT] old news on the home page"
2007 Feb 16
2
cluster analysis under contiguity constraints with R ?
Hello,
I would like to know if there is a function in an R library that
allows to do cluster analysis under contiguity constraints ?
Thank you very much for your answer !
Lise Bellanger
--
Lise Bellanger,
Universit? de Nantes
D?partement de Math?matiques, Laboratoire Jean Leray UMR CNRS 6629
2, Rue de la Houssini?re BP 92208 - F-44322 Nantes Cedex 03
T?l. : (33|0) 2 51 12
2008 Apr 17
1
Problem with links in R website
Not sure who to send this to...
On the books page http://www.r-project.org/doc/bib/R-books.html the entries
from [54] down have three forward slashes in the hyperlinks to publisher
info and so they don't work
Robin
[[alternative HTML version deleted]]
2008 Jun 04
1
possible bug in flexclust
Hi - Writing to see if someone can suggest whether a problem warrants a bug
report. It concerns the use of stepFlexclust in the flexclust package. The
problem concerns the size of clusters returned.
Versions: R-2.7.0 on Windows XP; RODBC_1.2-3
code snippet:
r8 <- stepFlexclust(df,8,nrep=100,FUN=kcca, family=kccaFamily("kmedians"))
summary(r8) ## returns cluster sizes of 51, 115,
2009 Feb 22
2
R tutorial
Dear all,
I have just found a 'good' tutorial R for datamining. I think it
should be on the contributed docs.
http://cran.r-project.org/other-docs.html
Here is the link
http://www.liaad.up.pt/~ltorgo/DataMiningWithR/
What do you think?
Kind regards
Christophe
--
Christophe Dutang
Ph. D. student at ISFA, Lyon, France
website: http://dutangc.free.fr
2006 Apr 05
1
"partitioning cluster function"
Hi All,
For the function "bclust"(e1071), the argument "base.method" is
explained as "must be the name of a partitioning cluster function
returning a list with the same components as the return value of
'kmeans'.
In my understanding, there are three partitioning cluster functions in
R, which are "clara, pam, fanny". Then I check each of them to
2006 Apr 07
2
cclust causes R to crash when using manhattan kmeans
Dear R users,
When I run the following code, R crashes:
require(cclust)
x <- matrix(c(0,0,0,1.5,1,-1), ncol=2, byrow=TRUE)
cclust(x, centers=x[2:3,], dist="manhattan", method="kmeans")
While this works:
cclust(x, centers=x[2:3,], dist="euclidean", method="kmeans")
I'm posting this here because I am not sure if it is a bug.
I've been searching
2009 Jul 23
1
SweaveOpts(eval=false) not working - CORRECTION
On Thu, Jul 23, 2009 at 3:04 PM, Duncan Murdoch<murdoch at stats.uwo.ca> wrote:
> On 23/07/2009 8:58 AM, Rainer M Krug wrote:
>>
>> Hi
>>
>> I hope this is the right mailing list - if not, could you please refer
>> me to a mora appropriate?
>>
>> My question:
>>
>> I am using sweave (in LyX with beamer) for a lecture and I would like
2008 May 12
2
k means
Hi the devel list,
I am using K means with a non standard distance. As far as I see, the
function kmeans is able to deal with 4 differents algorithm, but not
with a user define distance.
In addition, kmeans is not able to deal with missing value whereas
there is several solution that k-means can use to deal with them ; one
is using a distance that takes the missing value in account, like a
2006 May 31
2
Bitmap device available for R CMD check?
Hi,
I have a package that I'd like to submit to CRAN that does Sweave-like
processing on Open Document format files from Open Office.
If I remember correctly, there is a machine that automatically R CMD
checks CRAN packages. I have two questions about how that system is set
up:
1. Is the bitmap device available? The example produces a file using
this device and I'd like it to pass R
2010 Sep 17
3
How to set up an own package repository
Dear List,
I'd like to set up a package repository so I can use install.packages() on
it for home-grown packages. I set up an AMPP infrastructure on a windows box
already, but I'm pretty lost with respect to what to do next as I didn't do
any web-programming/admin yet. Could anyone recommend some r-specific
tutorials or has a couple of suggestions for me? I've had a look at the
2009 Feb 18
4
Google Summer of Code 2009
Hi,
in approximately one months time mentoring institutions can propose
projects for the Google Summer of Code 2009, see
http://code.google.com/soc/
Last year the R Foundation succesfully participated with 4 projects,
see http://www.r-project.org/SoC08/ for details. We want to
participate again this year. Our project proposals will be managed by
Manuel Eugster (email address in CC). Manuel
2010 Jul 23
5
UseR! 2010 - my impressions
Dear UseRs!,
Everything about UseR! 2010 was terrific! I really mean "everything" - the tutorials, invited talks, kaleidoscope sessions, focus sessions, breakfast, snacks, lunch, conference dinner, shuttle services, and the participants. The organization was fabulous. NIST were gracious hosts, and provided top notch facilities. The rousing speech by Antonio Possolo, who is the chief
2006 Oct 14
2
Sweave, R and complex latex projects
Hello all,
I've been able to use R very successfully to run simple statistics and
generate the plots I require.
I've been evaluating Sweave, and have hit upon a small problem that I
don't seem to be able to workaround. Sweave runs very well for single
file latex documents, but I have a complex thesis made up of several
parts and chapters. These are arranged with a master latex file
2006 Feb 27
1
about clustering method
Hi there,
I'm doing some clustering analysis and try to find all the algorithms
related to clustering in R. Here is the list of the algorithms I found.
But I'm not sure if
It's the complete list. Could you please check it and see if there're
other ones?
Thank you very much!
P.S.: List of the algorithms related to clustering:
(1) Hierarchical methods
hclust
2006 Feb 27
2
Question about Sweave
Hi,
I'm not sure if Sweave questions should go to the general list, but it
seems to be part of the core R package without a separate maintainer.
I am writing a tutorial for R in a latex file. I'd like to use Sweave,
since this seems its ideal usage. The problem is that I want to
purposefully put errors in and then the output that comes with it in the
text of my tutorial. However the
2009 May 12
4
different results on linux and windows
Dear R experts,
we are preparing an R-package to compute the Oja Median which contains
some C++ code in which random numbers are needed. To generate the random
numbers we use the following Mersenne-Twister implementation:
// MersenneTwister.h
// Mersenne Twister random number generator -- a C++ class MTRand
// Based on code by Makoto Matsumoto, Takuji Nishimura, and Shawn Cokus
// Richard J.
2008 Aug 22
0
Forthcoming R Conferences
Dear useRs and developeRs,
I hope all attending useR! in Dortmund last week had as much a good
time as I had and a safe trip home. This email is to announce our
plans for forthcoming conferences. In 2009 there will be a useR! in
Rennes, France (July 8-10), directly followed by a DSC in Copenhagen,
Denmark (July 13-14).
We would like to have a useR! 2010 in North America, and 2011 in
Europe.
2008 Aug 22
0
Forthcoming R Conferences
Dear useRs and developeRs,
I hope all attending useR! in Dortmund last week had as much a good
time as I had and a safe trip home. This email is to announce our
plans for forthcoming conferences. In 2009 there will be a useR! in
Rennes, France (July 8-10), directly followed by a DSC in Copenhagen,
Denmark (July 13-14).
We would like to have a useR! 2010 in North America, and 2011 in
Europe.
2009 Feb 05
0
R-help Digest, Vol 72, Issue 3
> Date: Mon, 2 Feb 2009 12:56:15 +0100
> From: friedrich.leisch at stat.uni-muenchen.de
> Subject: Re: [R] Problems in Recommending R
> To: thomas.petzoldt at tu-dresden.de
> Cc: "r-help at r-project.org" <r-help at r-project.org>,
> useR-2009 at r-project.org, paul at stat.auckland.ac.nz
> Message-ID: <18822.57183.637787.426445 at
2005 Jun 03
2
using so-library involving Taucs
Dear R developers,
The trace of the hat matrix H~(n,n) is computed as follows:
tr(H) = tr(BS^-1B') = tr(S^-1B'B) := tr(X) = sum(diag(X))
with B~(n,p), S~(p,p).
Since p is of the order 10^3 but S is sparse I would like to employ
Taucs linear solver ( http://www.tau.ac.il/~stoledo/taucs/ ) on
SX = B'B.
(Further improvement by implying a looping over i=1,...,p, calling