Is there a difference in the copying behavior of
x@little <- other
and
x@little[] <- other
I was using the second form in (yet another!) modification of the internal
representation of mixed-effects models in the lme4 package in the hopes
that it would not trigger copying of the entire object.
On Thu, Mar 1, 2012 at 11:20 AM, Jeffrey Ryan wrote:
> Doug,
>
> Agreed on the interesting point - looks like it has some real promise.
> I think the spike in interest could be attributable to Mike
> Loukides's tweet on Feb 20. (editor at O'Reilly)
>
> https://twitter.com/#!/mikeloukides/status/1
My purpose in mentioning the Julia language (julialang.org) here is
not to start a flame war. I find it to be a very interesting
development and others who read this list may want to read about it
too.
It is still very much early days for this language - about the same
stage as R was in 1995 or 1
On Wed, Jan 11, 2012 at 11:49 AM, Simon Urbanek
wrote:
>
> On Jan 11, 2012, at 12:08 PM, Taylor Arnold wrote:
>
>> R-devel,
>>
>> I have noticed that making a copy of an object in R prior to using
>> .Call on the original object can
>> cause the C code to alter not only the object passed to it but
On Thu, Dec 29, 2011 at 8:05 AM, Yves Deville wrote:
> Dear R-devel members,
> I am looking for a fast Cholesky update/downdate. The matrix A being
> symmetric positive definite (n, n) and factorized as
> A = L %*% t(L), the goal is to factor the new matrix A +- C %*% t(C) where
> C is (n, r). F
On Dec 6, 2011 8:30 AM, "Duncan Murdoch" wrote:
>
> On 05/12/2011 1:22 PM, Paul Viefers wrote:
>>
>> Dear all,
>>
>> running the example by D. Eddebuettel (
http://dirk.eddelbuettel.com/blog/2011/04/23/) I get an error message.
Specifically, the R code I was taking from the above example is
>>
>>
On Nov 11, 2011 6:13 PM, "Bryan W. Lewis" wrote:
">
> Dear R-devel readers:
>
> I am really stuck trying resolving an issue with the use of the
> Matrix in one of my packages, irlba, with R-2.14.0. When I use
> crossprod with at least one sparse argument in the packaged code I
> receive the error
the pointer first, then the
dimensions. For the first _Rout.txt file this part of the code is not
used.
On Tue, Jul 19, 2011 at 10:00 AM, Douglas Bates wrote:
> On Thu, Jul 14, 2011 at 10:21 AM, Alireza Mahani
> wrote:
>> (I am using a LINUX machine)
>>
>> Jeff,
>&g
On Thu, Jul 14, 2011 at 10:21 AM, Alireza Mahani
wrote:
> (I am using a LINUX machine)
>
> Jeff,
>
> In creating reproducible results, I 'partially' answered my question. I have
> attached two scripts, 'mvMultiply.r' and 'mvMultiply.cc'. Please copy both
> files into your chosen directory, then ru
Questions like this would get a faster response on the Rcpp-devel list, to
which I am copying this reply.
On Jun 21, 2011 6:35 AM, "oyvfos" wrote:
> Hi, I get an error using RcppGSL: fatal error: gsl/gsl_vector.h:No such
file
> or directory. What is the best way to install these files as they seem
On Fri, Jun 3, 2011 at 5:17 AM, oliver wrote:
> Hello,
>
> I'm implementing a package (C-extension),
> where one function gets data and a function
> that needs to be applied to the data.
>
> I want to apply the function to (parts of)
> the data on the C-side.
>
> 1) how do I apply a function (give
On Tue, Mar 29, 2011 at 2:17 PM, Douglas Bates wrote:
> On Tue, Mar 29, 2011 at 5:34 AM, Hin-Tak Leung
> wrote:
>> Martin Maechler wrote:
>>>>>>>>
>>>>>>>> Douglas Bates
>>>>>>>> on Mon, 28 Mar
On Tue, Mar 29, 2011 at 5:34 AM, Hin-Tak Leung
wrote:
> Martin Maechler wrote:
>>>>>>>
>>>>>>> Douglas Bates
>>>>>>> on Mon, 28 Mar 2011 09:24:39 -0500 writes:
>>
>> > Can you provide the output from
Can you provide the output from
sessionInfo()
so we can know the platform? Also, did you configure R with
--enable-strict-barrier or set the C compilation flag
-DTESTING_WRITE_BARRIER? I think that run-time error message can only
be thrown under those circumstances (not that it isn't an error,
On Sun, Feb 20, 2011 at 4:39 PM, Jason Rudy wrote:
> I've never used C++ before, so for this project I think I will stick
> with just using the BLAS and LAPACK routines directly. Another issue
> is that I will need to do some sparse matrix computations, for which I
> am planning to use CSPARSE, a
It is more effective to send such inquiries to the Rcpp-devel mailing
list which I am cc'ing on this reply.
On Thu, Jan 20, 2011 at 3:05 PM, mtck1982 wrote:
>
> Hi All,
>
> I am new to this area and use Rcpp to call C++ from R and try to build the
> package under Windows 7. I use Rtools and R 2.1
On Fri, Dec 3, 2010 at 11:01 AM, Ravi Varadhan wrote:
> Dear Duncan,
> What constitutes a convincing argument for making significant changes?
> Taking the example of optimization algorithms (say, for smooth objective
> functions), how does one make a convincing argument that a particular class
>
On Tue, Nov 16, 2010 at 2:35 PM, Prof. John C Nash wrote:
> I normally see digest once per day, but got msg from Doug Bates so responding
> with context.
> UCMINF is a package on CRAN that implements a variable metric minimizer.
A pedant might point out that the package is called "ucminf".
> I
Reply redirected to the R-devel list.
On Tue, Nov 16, 2010 at 1:02 PM, Prof. John C Nash wrote:
> Ravi Varadhan and I have been looking at UCMINF to try to identify why it
> gives occasional
> (but not reproducible) errors, seemingly on Windows only. There is some
> suspicion that its
> use of
On Thu, Oct 28, 2010 at 1:44 PM, Dominick Samperi wrote:
> See comments on Rcpp below.
>
> On Thu, Oct 28, 2010 at 11:28 AM, William Dunlap wrote:
>>
>> > -Original Message-
>> > From: r-devel-boun...@r-project.org
>> > [mailto:r-devel-boun...@r-project.org] On Behalf Of Andrew Piskorski
On Fri, Oct 22, 2010 at 4:30 AM, Nick Sabbe wrote:
> Hello all.
> I'm developing a package for R holding a Gibbs sampler, which tends to have
> better performance when written in C than in R.
> During each iteration in the Gibbs sampler, I need the inverse of a
> symmetric matrix.
You may want t
On Sun, Jun 13, 2010 at 8:28 AM, Uwe Ligges
wrote:
>
>
> On 13.06.2010 01:09, Dr. David Kirkby wrote:
>>
>> On 06/12/10 05:27 PM, Douglas Bates wrote:
>>>
>>> On Sat, Jun 12, 2010 at 8:37 AM, Dr. David Kirkby
>>> wrote:
>>>>
>>
There is a Debian/Ubuntu specific list, r-sig-deb...@r-project.org,
which I am cc:'ing on this reply, that is a better location for this
discussion.
It appears that you may be going about things the hard way. There are
Ubuntu packages for atlas and for R that can handle all of this for
you. Take
On Mon, Apr 12, 2010 at 10:27 PM, shotwelm wrote:
> r-devel list,
>
> I have recently written an R package that solves a linear least squares
> problem, and computes the multivariate normal density function.
For both of those applications you can use a Cholesky decomposition of
the symmetric matr
I think a simpler solution, which I have implemented in lme4 but not
yet released is to have
importFrom(nlme, ranef, fixef)
in the NAMESPACE file of packages that implement methods for those
generics (and, of course, add nlme to the Imports: specification in
the DESCRIPTION file). As nlme is a r
Did you run
$RHOME/src/tools/rsync-recommended
to obtain the most recent versions of the recommended packages before
trying to compile them?
On Fri, Mar 5, 2010 at 3:01 PM, Alex Bryant wrote:
> Hi folks, I'm having a problem with installing R on Solaris. Has anyone
> seen a similar issue?
On Mon, Jan 11, 2010 at 10:34 AM, Ben Bolker wrote:
> who wants to write rgl code to do these?
> http://tinyurl.com/yzojfn2
> http://tinyurl.com/ylrz2p8
> :-)
I think that on this one we should follow Nancy Reagan's advice and
"Just say no".
I wonder if they have read Tufte's descriptions o
On Sun, Nov 8, 2009 at 2:26 PM, Doran, Harold wrote:
> I've defined the following for objects of a class called jml
>
> summary.jml <- function(object, ...){
> tab <- cbind(Estimate = coef(object),
> StdError = object$se,
> Infit = object$Infit,
t;
> I am aware that R matrices are stored in column major order.
>
> Thanks for the tip on using float *dat= REAL(Data);
>
> Regards
>
> Abhijit Bera
>
>
>
> On Fri, Oct 23, 2009 at 7:27 PM, Douglas Bates wrote:
>>
>> On Fri, Oct 23, 2009 at 9:23 AM, Douglas Bates
On Fri, Oct 23, 2009 at 9:23 AM, Douglas Bates wrote:
> On Fri, Oct 23, 2009 at 8:39 AM, Abhijit Bera wrote:
>> Hi
>>
>> I'm having slight confusion.
>
> Indeed.
>
>> I plan to grow/realloc a matrix depending on the data available in a C
>> progra
On Fri, Oct 23, 2009 at 8:39 AM, Abhijit Bera wrote:
> Hi
>
> I'm having slight confusion.
Indeed.
> I plan to grow/realloc a matrix depending on the data available in a C
> program.
> Here is what I'm tried to do:
> Data=allocMatrix(REALSXP,3,4);
> SEXP Data;
Those lines should be in the oth
On Mon, Oct 12, 2009 at 6:41 AM, Romain Francois
wrote:
> On 10/12/2009 02:05 AM, m...@stat.ubc.ca wrote:
>>
>> Full_Name: Mike Danilov
>> Version: 2.9.0
>> OS: Fedora Core 9
>> Submission from: (NULL) (142.103.121.198)
>>
>>
>> When checking for the symmetry of a matrix, function isSymmetric.matr
On Thu, Sep 24, 2009 at 2:09 PM, Vinh Nguyen wrote:
> On Thu, Sep 24, 2009 at 11:49 AM, Simon Urbanek
> wrote:
>> As Doug pointed out you don't want to be using .C(). As for matrix
>> manipulations - they are usually done directly on the objects which are
>> vectors stored in column-major order.
On Wed, Sep 23, 2009 at 2:39 AM, Vinh Nguyen wrote:
> dear list,
>
> since matrix manipulations is often of interest in statistical
> computations, i'd like to get a working example of using Lapack for
> regression. However, i run into an error.
>
> My matrix-lapack-example.c file:
> #include
>
On Fri, Sep 11, 2009 at 1:48 PM, rudjer wrote:
>
> Comrades,
>
> When talk turns to the purity of the revolution, and purge of packages then
> the guillotine can't be far behind. We all remember Lenin berating the
> "renegade Kautsky" for his "pragmatism," and we know where that led...
>
> So let
On Thu, Sep 3, 2009 at 10:02 AM, Martin
Maechler wrote:
>> "MM" == Martin Maechler
>> on Thu, 3 Sep 2009 16:14:24 +0200 writes:
>
>> "HW" == Hadley Wickham
>> on Thu, 3 Sep 2009 08:16:27 -0500 writes:
>
> HW> Just noticed these two functions (clearNames is stats and unn
On Mon, Aug 17, 2009 at 9:23 AM, Jeffrey J. Hallman wrote:
> One hassle I could do without is the necessity of writing C wrapper functions
> like this:
>
> void fameInit(int *status){
> cfmini(status);
> return;
> }
>
> when I want to call a library function (cfmini, in this case) that takes an
>
On Sat, Aug 8, 2009 at 1:31 PM, Gavin Simpson wrote:
> Dear List,
> I am writing a formula method for a function in a package I maintain. I
> want the method to return a data.frame that potentially only contains
> some of the variables in 'data', as specified by the formula.
The usual way to call
On Fri, Jun 26, 2009 at 2:43 PM, Paul Johnson wrote:
> Hello, again.
>
> I'm interested to learn how programmers develop & test C/C++ code with
> R packages in Linux. I've been reading R source and the manual on
> Writing R Extensions but there are just a couple of details I can't
> understand. I
You could always look in the SVN logs but I'll save you the trouble.
I did the initial installation of the nlminb function.
On Fri, May 1, 2009 at 12:52 PM, John C Nash wrote:
> Having looked at documentation and codes, I'm still looking to find out who
> did the installation of the Port librarie
On Sun, Feb 22, 2009 at 3:05 PM, Douglas Bates wrote:
> There have been several messages on R-devel mentioning the interior
> point optimization software Ipopt, https://projects.coin-op/Ipopt/.
> This C++ library is released under a license called the Common Public
> License.
&g
On Sun, Feb 22, 2009 at 7:44 AM, Christophe Dutang wrote:
> 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 d
There have been several messages on R-devel mentioning the interior
point optimization software Ipopt, https://projects.coin-op/Ipopt/.
This C++ library is released under a license called the Common Public
License.
I have two questions that readers of R-devel may be able to answer.
1) Would creat
On Fri, Jan 23, 2009 at 1:25 AM, Biczok Rudolf
wrote:
> Hi all,
> I'm working with the S4-Class system and I have a little problem with
> Implementing iteration functionality in my S4 class but it don't work:
>> setClass("foo",representation(bar="list"))
>> x <- new("foo",bar=list(1,2,3))
>>for
This question is only related to R-devel in that I need to work out
how to reach R-forge.R-project.org to update and commit files of R
packages for which I am a developer.
My desktop computer at work runs Ubuntu 8.04. Because this is not a
supported operating system this computer is behind a fire
On Fri, Apr 4, 2008 at 2:26 PM, Kurt Hornik <[EMAIL PROTECTED]> wrote:
> > hadley wickham writes:
>
> > I'm always forgetting to update the date in DESCRIPTION. Would it be
> > possible to add a warning to R CMD check if it's old?
>
> I recently thought about this. I see several issues.
>
In the "R Programming Style" thread on R-help Ronald Rau gave a list
of aphorisms from "Elements of Programming Style" by Kernighan and
Plauger. These include
10.0 times 0.1 is hardly ever 1.0
I think that should be included in FAQ 7.31
__
R-devel@r-p
On Jan 7, 2008 1:34 PM, John Chambers <[EMAIL PROTECTED]> wrote:
> Prof Brian Ripley wrote:
> > On Mon, 7 Jan 2008, Robin Hankin wrote:
> >
> >
> >> I am writing a package and need to decide whether to use S3 or S4.
> >>
> >> I have a single class, "multipol"; this needs methods for "[" and "[<-"
>
There was recently a question on the R-help list about the eee pc. I
had a related question about the XO laptop from OLPC (laptop.org).
Has anyone looked at the development environment sufficiently to
determine if it would be possible to create an executable image for R?
The laptop itself only su
On 10/18/07, Ben Bolker <[EMAIL PROTECTED]> wrote:
> Tom Short-2 wrote:
> > See this link for more on creating/converting to HTML:
> > http://biostat.mc.vanderbilt.edu/twiki/bin/view/Main/SweaveConvert
> > For using ESS with mixed HTML/R files, see this:
> > https://stat.ethz.ch/pipermail/ess-
My university provides me with a powerful course management system for
the courses that I teach. Among other things I can create a wiki for
the course, which is very convenient for cross-linking different bits
of the course.
Naturally I use R extensively in my teaching and I want to incorporate
R
On 8/3/07, Paul Gilbert <[EMAIL PROTECTED]> wrote:
> Doug
> Does it still play DVDs?
> (My wife keeps telling me that academics have to do all their serious
> work in the summer.)
The way that you install Linux on a PS3 it becomes a dual-boot
machine. You have to reboot to the original operatin
P.S. A site with instructions for installing Ubuntu on the PS3 is
psubuntu.com or google "PS3 Ubuntu" to get the community pages
documentation.
It is a good idea to have an Ethernet connection so that once you
install from the CD you can upgrade the packages. The kernel on the
installation CD ima
On 8/1/07, Marc Schwartz <[EMAIL PROTECTED]> wrote:
> On Wed, 2007-08-01 at 11:13 -0500, Douglas Bates wrote:
> > Has anyone installed Linux on a Sony Playstation 3 and compiled R for it?
> Doug,
>
> I don't have any personal experience with both Linux and R on the
Has anyone installed Linux on a Sony Playstation 3 and compiled R for it?
__
R-devel@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-devel
e data set then you probably want exactly that
version and haven't accidently overridden the other).
The bottom line is that unless you have been in the habit of attaching
the MEMSS package or getting data sets from it as above then you won't
notice any difference.
> On 7/24/07, Dou
Some time ago Deepayan and I created a package called MEMSS for the
data sets from the nlme package as data frames but not groupedData
objects. Because of advances that Deepayan has made in lattice
graphics many of the specialized plotting methods for the groupedData
objects are no longer needed.
I would appreciate some pointers on how to set up a doxygen
configuration file for C source code. In particular I would like to
be able to generate a call graph. I tend to write a lot of short
utility functions and, by the time the final design reveals itself, it
is quite possible that some of th
Martin and I will soon release a new version of the Matrix package
with a modified API. This will affect the authors of any packages
that use calls to the C function R_GetCCallable to directly access C
functions in the DLL or shared object object in the libs directory of
the Matrix package. (If y
Version 3 of the GNU Public License (GPL) has been released. A ZDNet
article about it can be found at
http://news.zdnet.com/2100-3513_22-6194139.html?part=rss&tag=feed&subj=zdnn
__
R-devel@r-project.org mailing list
https://stat.ethz.ch/mailman/listinf
On 6/6/07, Aniko Szabo <[EMAIL PROTECTED]> wrote:
> Thanks to everybody who responded to my question.
> asInteger(coerceVector(x,INTSXP)) indeed does what I need. I guess there
> is a lot I don't understand about type coercion, as I would not have
> expected it to work.
It is better to use
asInte
On 3/26/07, "José Luis Aznarte M." <[EMAIL PROTECTED]> wrote:
> Hi! I've been browsing through the last months' archive and I can't
> find an answer to my question, so here it is (let's hope it's not too
> obvious):
> I'm working on extensions of an R library, and I would be very
> surprise
I did read your second message about the problem symptoms disappearing
but I thought that I might make a couple of suggestions about your
code anyway.
There are a number of helper functions declared in Rinternals.h such
as ScalarReal, which is equivalent to your mkans. (Also
ScalarInteger, Scalar
On 3/20/07, Ernest Turro <[EMAIL PROTECTED]> wrote:
>
> On 20 Mar 2007, at 07:53, Martin Maechler wrote:
>
> >> "Wolfi" == Wolfgang Huber <[EMAIL PROTECTED]>
> >> on Mon, 19 Mar 2007 15:38:00 + writes:
> >
> >>> the problem with results=hide is that it suppresses everything. I
> >>>
On 11/29/06, Tamas K Papp <[EMAIL PROTECTED]> wrote:
> I have a sparse Matrix (kronecker product of spline design matrices),
> and I need to multiply each row by a number to get another matrix. If
> the matrix is A and the numbers are stored in a vector k, with plain
> vanilla matrices I would do
On 06 Nov 2006 15:41:11 +0100, Peter Dalgaard <[EMAIL PROTECTED]> wrote:
> "Douglas Bates" <[EMAIL PROTECTED]> writes:
>
> > On 31 Oct 2006 12:05:21 +0100, Peter Dalgaard <[EMAIL PROTECTED]> wrote:
> > >
> > > [move to r-devel, put maintain
On 31 Oct 2006 12:05:21 +0100, Peter Dalgaard <[EMAIL PROTECTED]> wrote:
>
> [move to r-devel, put maintainer in loop]
>
> Patrick Connolly <[EMAIL PROTECTED]> writes:
>
> > On Mon, 30-Oct-2006 at 04:44PM -0500, Duncan Murdoch wrote:
> >
> >
> > |> Try "R CMD printenv R_HOME" and you'll find which
On 10/14/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
> Full_Name: Din Chen
> Version: 2.4.0
> OS: Windows XP
> Submission from: (NULL) (66.17.122.18)
>
>
> I just updated the R.2.4.0. and got the error message for random effect
> modelling, which was working on R.2.3.1.
>
> library(lme4)
> mmo
I am encountering segfaults when checking the lme4 package on an
Athlon64 system if I use the acml blas. R was built as a 64-bit
application using the GCC 4.0.3 compiler suite including gfortran.
The version of acml is 3.5.0 gfortran64.
I do not encounter the segfaults when I compile R with R's b
On 9/25/06, Paul Gilbert <[EMAIL PROTECTED]> wrote:
> I am still confused about this (and it is still happening with R-beta).
> Writing R Extensions suggests I need a Makefile or Makevars in my
> package, but that has not been the case previously. Is there now a
> requirement that all packages ne
We are very pleased that an R project has been selected as one of the GNU
projects for the Google Summer of Code 2006 (http://code.google.com/soc/).
Miguel Angel R. Manese, an M.S. Statistics student at the University of
the Philippines, will be working with Douglas Bates and Brian Ripley on a
The documentation for gsummary describes the argument FUN as
FUN: an optional summary function or a list of summary functions
to be applied to each variable in the frame. The function or
functions are applied only to variables in 'object' that vary
within the gr
imings. It happens that this
message ended up in my R-help folder and I only got around to reading
that folder today.
Is it ok with you if I forward this message to Simon Urbanek? I am
having similar difficulties in the timing with R on a dual-core Intel
MacBook.
>
>
> On Fri, 3 Mar 2006,
the result that
> it is a lot slower.
>
> Paul
>
> Douglas Bates wrote:
>
> >I have been timing a particular model fit using lmer on several
> >different computers and came up with a peculiar result - the model fit
> >is considerably slower on a dual-core Athlon 64 usi
I have been timing a particular model fit using lmer on several
different computers and came up with a peculiar result - the model fit
is considerably slower on a dual-core Athlon 64 using Goto's
multithreaded BLAS than on a single-core processor.
Here is the timing on a single-core Athlon 64 3000
On 1/23/06, Gabor Grothendieck <[EMAIL PROTECTED]> wrote:
> I wonder if it would make more sense to get a relatively
> low level package to run on it so that all packages that
> used that low level package would benefit. The Matrix
> package and the functions runmean and sum.exact in
> package caT
On 8/22/05, Erich Neuwirth <[EMAIL PROTECTED]> wrote:
> I am trying to adapt boxplot.formula (in graphics) to accept an
> additional parameter, weights.
> I already managed to adapt boxplot.default to do this.
>
> boxplot.formula prepares the data for a call to boxplot.default and to
> achieve tha
I seem to recall discussion of an language definition file for S for
use with the lgrind utility but I can't find any trace of it in an R
Site Search. The lgrind utility takes a file of code in a particular
programming language and prepares it for "pretty printing" in LaTeX.
In my version the ava
On 8/11/05, yyan liu <[EMAIL PROTECTED]> wrote:
> Hi:
> I followed the README in src/nmath/standalone/
> to make the use the command "make shared" to make the
> libRmath.so file. I also add the directories containg
> libRmath.so to LD_LIBRARY_PATH by using command
> "export
> D_LIBRARY_PATH
The Harwell-Boeing format for exchanging matrices is one of those
lovely legacy formats that is based on fixed-format Fortran
specifications and 80 character records. (Those of you who don't know
why they would be 80 characters instead of, say, 60 or 100 can ask one
of us old-timers some day and
On 7/19/05, Paul Roebuck <[EMAIL PROTECTED]> wrote:
> Had been looking into Luke Tierney's R_AllocatePtr() and
> was left with a question about exactly when does R reclaim
> heap memory. Implication of 'simpleref.nw' is that one can
> allocate C data on the R heap, and as long as pointer object
> i
On 7/19/05, Nicholas Lewin-Koh <[EMAIL PROTECTED]> wrote:
> Hello,
> I am writing a set of functions to do prediction and calibration
> intervals
> for at least the subset of selfstarting models if not some more general
> ones.
>
> I need to be able to extract the varFunction from a fit object
> a
On 7/12/05, Duncan Temple Lang <[EMAIL PROTECTED]> wrote:
> Hi Doug.
>
> I noticed this also after the recent change to the
> code to handle missing PACKAGE arguments for
> .C/.Call/.Fortran routines.
> There is a line in the dotcode.c (1510) that
> has a call to Rf_PrintValue(env) and that i
I have noticed spurious message of the form
when developing code for the Matrix package and testing under R-devel.
These messages are not present when testing under R-2.1.1
I have not reported this because I didn't know if it was caused by my
code in the Matrix package or some other code. Today
On 7/5/05, Gilles GUILLOT <[EMAIL PROTECTED]> wrote:
> Hi all,
>
> I'm working out some Fortran code for which
> I want to compute the Choleski decomposition of a covariance matrix
> in Fortran.
>
> I tried to do it by two methods :
>
> 1) Calling the lapack function DPOTRF.
> I can see the sour
On 7/4/05, Bo Peng <[EMAIL PROTECTED]> wrote:
> > > * Wrap C++ class hierarchy. Virtual functions need to be supported.
> > > (SWIG can generate Python shadow classes that behave almost exactly
> > > like the underlying C++ classes)
> >
> > This is hard to do in R, because the R object model is qui
My computers at my office will no longer be able to connect directly
to web sites etc. I will be going through a proxy server. The
particular server is running squid on port 3128.
I have managed to configure web browsers, ssh, apt, svn and a whole
lot of other tools to use the proxy server but I
On 6/22/05, Paul Gilbert <[EMAIL PROTECTED]> wrote:
> I am trying to call the lapack routine dgesv in the R distribution from
> the fortran code for a package, but when I dyn.load("dse1.so") I get an
> error about undefined symbol: dgesv_
>
> I thought the proper incantation was
>
> MAKEFLAG="FLI
On 6/19/05, Rob Lopaka Lee <[EMAIL PROTECTED]> wrote:
> I'm interfacing to C code that uses 1-based indexing on arrays -- it
> ignores the zeroth element. Thus, input vectors from R must be moved up
> one, and output arrays must be moved down one.
>
> What is the best way to deal with this using
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