Full_Name: Ross Boylan
Version: 2.2.0
OS: Linux
Submission from: (NULL) (65.175.48.58)
\eqn{{\bf\beta}_j}{b(j)} in my .Rd file produces this error
! Missing $ inserted.
$
l.7 \eqn{{\bf\beta}_j}{\bf\beta
Full_Name: Ross Boylan
Version: 2.7.1
OS: linux
Submission from: (NULL) (38.99.193.74)
The help says
Optionally,
functions 'user_unif_nseed' and 'user_unif_seedloc' can be
supplied which are called with no arguments and should return
pointers to the numbe
Full_Name: Ross Boylan
Version: 2.10.0
OS: Windows XP
Submission from: (NULL) (198.144.201.14)
Some of the help for setGeneric seems to have been garbled. In the section
"Basic Use", 5th paragraph (where the example counts as a single line 3rd
paragraph) it says
Note th
>>>>>>> on Fri, 18 Dec 2009 07:40:13 -0800 writes:
> > >>> > Martin Maechler wrote:
> > >>> >>>>>>> Martin Morgan
> > >>> >>>>>>> on Thu, 17 Dec 2009 09:54:54 -0800 writes:
>
Full_Name: Ross Boylan
Version: N/A
OS: Linux
Submission from: (NULL) (198.144.201.14)
1. http://www.r-project.org/posting-guide.html includes
"Paul Johnson's R tips page is a organized collection of how to do things in R,
with many questions and tips culled from R-help"
"
help list
On Tue, 27 Sep 2005, Prof Brian Ripley wrote:
> I am afraid this does look like a real problem, if a minor one. We have
for
> the first problem
>
> x <- 10^(ex <- c(1,2,5*(1:5),50,100,200,300,Inf))
> ex <- -c(rev(1/x), ex)
> qcauchy(ex, log=TRUE)
>
> The first entry of the result should be Inf and the last -Inf. From the
> output you have shown us I would guess the last is NaN.
>
> If this is what is going on, it is a problem but a somewhat esoteric one
that
> probably reflects a lack of IEC60559 (aka IEEE754) conformance. It
needs
> more hands-on debugging than we can provide on a help list.
Anything I can do to help debug this? I am not a C programmer, but I do
have an interest in getting R running.
Jeff Ross
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low. It is basic LaTeX and any LaTeX person
> can tell you the answer...(most probably haven't bothered...)
>
> [EMAIL PROTECTED] wrote:
> >Full_Name: Ross Boylan
> >Version: 2.2.0
> >OS: Linux
> >Submission from: (NULL) (65.175.48.58)
> >
ire that people get some not-yet-release
version of R that fixes the problem. I do hope the problem gets fixed
though :)
By the way, I couldn't see how the perl code excerpted earlier paid any
attention to {}. But perl is not my native tongue.
Ross
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er option would be to do a clean checkout of the sources
for my package, run a special makefile target that would create the
necessary files and delete all unwanted files, and then do a regular R
CMD build. This might still have trouble with "data.gz".
-
ample, looked like something I might be able
to do in my own makefile.
Ross
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from the C++ run-time, and needs C++
destructors.
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University of California, San Franc
oceed. In particular, is save a
reasonable way to save a few variables to disk? I could also make the
code available when/if I get it working.
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Dept of Epidem
gt; >I have the (perhaps unsupported) impression that Ross wanted to save the
> >progress during the optim run. Since it spends most of its time in the
> >.Internal(optim(***)) call, save/save.image would not work.
>
> It certainly does not!
I'm having trouble following; do
he calling environment (by default).
# wrapper to do checkpointing
# Ross Boylan [EMAIL PROTECTED]
# 06-Jan-2006
# (C) 2006 Regents of University of California
# Distributed under the Gnu Public License v2 or later at your option
# If you want to checkpoint the optimization of a function f
# Use ch
.so file.
So, is my diagnosis correct?
Any suggestions about how to avoid this problem?
Maybe sys.source("file", 2)... Seems to work!
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185 Berry St #5700 [EMAIL PROTECTED]
Dept of E
On Tue, 2006-01-31 at 15:21 -0800, Ross Boylan wrote:
> Any suggestions about how to avoid this problem?
> Maybe sys.source("file", 2)... Seems to work!
Not quite. The original versions of some stuff from the library hung
around, and my efforts to delete them led to m
er to
the function generically, how do I do that?
I'm using R 2.2.1, and I've found the documentation on documenting S4 a
bit too brief (even after looking at the recommended links, which in
some cases don't have much on documentation). Since the docs
Hi,
I wanted point out the the Rmpi package needs 281 lines in it's
configure.ac file
that are specifically written for each major MPI distribution, and that
this could be replaced with exactly 2 lines in Makevars.in:
CC=mpicc SHLIB_LD=mpicc.
Here's the entire patch to Makeconf.in (4 new lines):
n in Makeconf can be
overridden in Makevars?
Ross Boylan
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On Wed, Oct 02, 2013 at 11:05:19AM -0400, Duncan Murdoch wrote:
>> Up to entry #4 this all looks normal. If I go into that stack frame, I
>> see this:
>>
>>
>> (gdb) up
>> #4 Shape::~Shape (this=0x15f8760, __in_chrg=) at
>> Shape.cpp:13
>> warning: Source file is more recent than executable.
On Wed, 2013-10-02 at 16:15 -0400, Duncan Murdoch wrote:
> On 02/10/2013 4:01 PM, Ross Boylan wrote:
> > On Wed, Oct 02, 2013 at 11:05:19AM -0400, Duncan Murdoch wrote:
> >
> > >> Up to entry #4 this all looks normal. If I go into that sta
Can anyone help me understand how I got 2 versions of the same library
loaded, how to prevent it, and what the consequences are? Running under
Debian GNU/Linux squeeze.
lsof and /proc/xxx/map both show 2 copies of several libraries loaded:
/home/ross/install/lib/libmpi.so.1.3.0
/home/ross
Comments/questions interspersed below.
On Wed, 2014-03-12 at 22:50 -0400, Simon Urbanek wrote:
> Ross,
>
> On Mar 12, 2014, at 5:34 PM, Ross Boylan wrote:
>
> > Can anyone help me understand how I got 2 versions of the same library
> > loaded, how to prevent it, and w
On Thu, 2014-03-13 at 10:46 -0700, Ross Boylan wrote:
> 1. My premise that R had no references to mpi was incorrect. The logs
> show
> 24312: file=libmpi.so.1 [0]; needed
> by /home/ross/Rlib-3.0.1/Rmpi/libs/Rmpi.so [0]
> 24312: find library=libmpi.so.1 [0]; se
On Thu, 2014-03-13 at 10:46 -0700, Ross Boylan wrote:
>
> It seems very odd that the same Rmpi.so is requiring both the old and
> new libmpi.so (compare to the first
> trace in in point 1). There is this code in Rmpi.c:
> if (!dlopen("libmpi.so.0"
oved
that would invalidate the transfer.
I was just using the blocking sends to avoid this problem, but the
result is significant delays.
Thanks.
Ross Boylan
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ign("mpi.globals", new.env(), environment(mpi.isend))
assign("mpi.isend.obj", vector("list", mpi.request.maxsize(),
mpi.globals)
work?
mpi.isend is a function in Rmpi. But I'd guess the first assign will
fail because the environment is locked.
Thanks.
Ross Boylan
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On Wed, 2014-03-19 at 19:22 -0700, Ross Boylan wrote:
> I've tweaked Rmpi and want to have some variables that hold data in the
> package. One of the R files starts
> mpi.isend.obj <- vector("list"
I saved objects that were defined using several reference classes.
Later I modified the definition of reference classes a bit, creating new
functions and deleting old ones. The total number of functions did not
change. When I read them back I could only access some of the original
data.
I asked
On Fri, 2014-08-01 at 14:42 -0400, Brian Lee Yung Rowe wrote:
> Ross,
>
>
> This is generally a hard problem in software systems. The only
> language I know that explicitly addresses it is Erlang. Ultimately you
> need a system upgrade process, which defines how to update
On Fri, 2014-08-01 at 16:06 -0400, Brian Lee Yung Rowe wrote:
> Ross,
>
>
> Ah I didn't think about Smalltalk. Doesn't surprise me that they
> supported upgrades of this sort. That aside I think the question is
> whether it's realistic for a language lik
a few years ago, and the problem was the
MIME type of the link.
It would be nice to fix.
Thanks.
Ross Boylan
P.S. I was using http://cran.cnr.berkeley.edu/ and FF 33.1 on Win 7.
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ecific led to a general welcome page. It had a contact llink at the bottom,
which led to a page that had an IT contact on it, cn...@berkeley.edu. I'll try
sending it there with a cc to c...@r-project.org, which I found chasing another
set of links.
Ross
__
at do
I do? At the moment it looks as if I'd need to make a new class name,
define some coerce methods, and then locate and change the relevant
instances. Is there a better way?
Thanks.
Ross Boylan
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On Tue, 2009-06-30 at 12:58 -0700, Ross Boylan wrote:
> I haven't found much on S4 class redefinition; the little I've seen
> indicates the following is to be expected:
> 1. setClass("foo", )
> 2. create objects of class foo.
> 3. execute the same setClass
get built into a library.
It's usually cleaner to build the R library from a fresh version of the
sources; otherwise scraps of my other builds tend to end up in the R
package.
Thanks, Whit, for the pointers to Rcpp and RAbstraction.
Ross Boylan
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ore of my rsprng adventures are on
http://wiki.r-project.org/rwiki/doku.php?id=packages:cran:rsprng. Feel
free to read, correct, or extend it.
Thanks.
Ross Boylan
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of R use 32-bit integers".
Also, sizeof(int) works at runtime. But my question was really about
whether code for user defined RNGs should be written using Int32 or int
as the target type for the state vector. The R core code suggests to me
one should use Int32, but the documentation says int
On Sun, 2009-08-16 at 21:24 +0200, Petr Savicky wrote:
> Dear Ross Boylan:
>
> Some time ago, you sent an email to R-devel with the following.
> > I got into this because I'm trying to extend the rsprng code; sprng
> > returns its state as a vector of bytes. Conve
gt; setGeneric("yearStop")
[1] "yearStop"
> args(yearStop)
function (obj)
NULL
R 2.7.1. I originally read the definitions in from a file with ^c^l in
ESS; however, I typed the commands above by hand.
Thanks.
Ross Boylan
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uot;)
[1] "foo"
> args(foo)
function (obj)
NULL
R 2.7.1. I get the same behavior whether or not I use ESS.
The reason this is more than a theoretical problem:
> setMethod("foo", signature(x="numeric"), function(x) {return(x+4);})
Error in match.call(fun, fc
R 2.8.1 on Windows behaves as I expected, i.e., the final args(foo)
returns a function of x. The previous example (below) was on Debian
GNU/Linux.
On Wed, 2009-10-28 at 12:14 -0700, Ross Boylan wrote:
> Here's a self-contained example of the problem:
>
> > foo <- fun
of the row labelled 6 (all 0's and NaN) is
white. This is the same color showing for the NaN values.
In contrast, all other 0 values appear as dark red.
Have I missed some subtlety, or is this a bug?
Ross Boylan
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nature=c("numeric", "A"))(e1, e2)
print(v)
new("B", v, xb=e1...@xb)
}
)
Results:
> t1 <- new("B", new("A", xa=4), xb=2)
> t1
An object of class “B”
Slot "xb":
[1] 2
Slot "xa":
[1] 4
> 3*t1
Error in getGeneric(f, !optional) :
no generic function found for "callGeneric"
Thanks.
Ross Boylan
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-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Martin Morgan wrote:
> Hi Ross --
>
> Ross Boylan writes:
>
>> I have classes A and B, where B contains A. In the implementation of
>> the group generic for B I would like to use the corresponding group
>> generi
artin Morgan wrote:
> setMethod("Arith", signature(e1="numeric", e2="B"), function(e1, e2) {
> new("B", xb=e1...@xb, callGeneric(e1, as(e2, "A")))
> })
Things were getting too weird, so I punted and used explicitly named
function calls
w they interacted with callNextMethod, selectMethod, etc. I did study
what I thought were the relevant help entries.
Ross
>
>
> Ross Boylan wrote:
> > Thanks for your help. I had two concerns about using as: that it would
> > impose some overhead, and that it would requi
On Thu, 2009-12-17 at 15:24 +0100, Martin Maechler wrote:
> >>>>> Ross Boylan
> >>>>> on Thu, 17 Dec 2009 02:15:12 +0100 (CET) writes:
>
> > Full_Name: Ross Boylan
> > Version: 2.10.0
> > OS: Windows XP
> > Sub
the bug tracker, but couldn't find
anything--in fact I had trouble identifying bugs in the documentation
system as opposed to bugs in the documentation.
Thanks.
Ross Boylan
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check.
NAMESPACE seems to raise similar issues; I don't see any mechanism for
optional imports. Also, I have not used namespaces, and am not eager to
destabilize things so close to release. At least, I hope I'm close to
release :)
Thanks for any advice.
Ross Boylan
P.S. Thanks, Duncan,
, but
wants to see if it works (R CMD check), they need to be able to avoid
the potentially onerous requirement to install MPI.
Ross
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kipped if the enhanced package was absent. Even that logic isn't quite
right if the enhanced package is added later.
My package only loads/verifies the presence of rmpi if one attempts to
use the distributed features, so the relation is at run time, not load
time.
Ross
>
> On Fri, Jan
On Fri, 2010-01-15 at 12:34 -0500, Simon Urbanek wrote:
>
> On Jan 15, 2010, at 12:18 , Ross Boylan wrote:
>
> > On Fri, 2010-01-15 at 09:19 +0100, Kurt Hornik wrote:
> >> The idea is that maintainers typically want to
> >> fully check their functionality
On Sat, 2010-01-16 at 07:49 -0800, Seth Falcon wrote:
> Package authors
> should be responsible enough to test their codes with and without
> optional features.
It seems unlikely most package authors will have access to a full range
of platform ty
Adding duplicate setGeneric's seems like the smallest, and
therefore safest, change if the duplication is not a problem.
Thanks.
Ross Boylan
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ing use, and so it would
be useful if they could retain setGeneric()'s even if I also need an
earlier setGeneric to make the whole package work.
I am also working on a python script to extract all the generic function
defintions (that is, setGeneric()), just in case.
Ross Boylan
__
"B"), function(x) return("foo for B"))
[1] "foo"
>
> setGeneric("foo", function(x) standardGeneric("foo"))
[1] "foo"
> setMethod("foo", signature(x="B"), function(x) return("foo for B"))
[1] "fo
cs.py from
the start. If you didn't, and discover you should have, the script
automates the conversion.
Thanks to everyone who helped me with my packaging problems. The
package finally made it to CRAN as
http://cran.r-project.org/web/packages/mspath/index.html. I'll send a
public notice o
On Thu, 2010-01-21 at 11:38 -0800, Ross Boylan wrote:
> I've attached a script I wrote that pulls all the setGeneric definitions
> out of a set of R files and puts them in a separate file, default
> allGenerics.R. I thought it might help others who find themselves in a
>
trix happening in
an .Internal call.
Thanks.
Ross
P.S. I would appreciate cc's, since mail problems are preventing me from
seeing list mail.
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On Thu, 2010-03-18 at 00:57 +, ted.hard...@manchester.ac.uk wrote:
> On 17-Mar-10 23:32:41, Ross Boylan wrote:
> > While browsing some code I discovered a call to lm that used
> > a formula y ~ X - 1, where X was a matrix.
> >
> > Looking through the documentation o
n I trace through the summary method, the coefficients value is a
matrix.
I'm trying to pull out the standard errors for some rearranged output.
How can I do that?
And what's going on? I suspect this may be a namespace issue.
Thanks.
Ross Boylan
P.S. I would appreciate a cc because o
Plate
> class(summary(r$individual[[2]]))
[1] "summary.lm"
But maybe I'm not following the question.
Ross
>
> On Mon, March 22, 2010 4:03 pm, Ross Boylan wrote:
> > summary(x), where x is the output of lm, produces the expectedd display,
> > including standard e
what you appeared to be doing from your initial email)
>
Doh! Thank you; that was it.
This was interacting with another error, which is perhaps how I managed
to miss it.
Ross
> -- Tony Plate
>
> On Mon, March 22, 2010 4:43 pm, Ross Boylan wrote:
> > On Mon, 2010-03-22 at 16:30
braries and sources.
You may need to set an explicit source search path in gdb to pick up
the source files.
Try stepping through the code from write before the crash to determine
exactly where it runs into trouble.
Does the output file you are trying to create exist?
Unfortunately, none of this really gets at your core bug, but it might
help track it down.
Ross
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ketched above is the best
approach to this problem (or even that it would be if R were
multi-threaded), but it does seem to me this might be one area where
threads would be handy in R.
Ross Boylan
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On Thu, Feb 08, 2007 at 10:04:14PM +0100, cstrato wrote:
> Ross Boylan wrote:
> >On Sun, Feb 04, 2007 at 10:47:37PM +0100, cstrato wrote:
> >
> >>Seth Falcon wrote:
> >>
> >>>cstrato <[EMAIL PROTECTED]> writes:
> >>>
> >&
On Thu, Feb 08, 2007 at 11:53:21PM +0100, cstrato wrote:
...
> >Maybe there's some subtle linker problem, or a problem with the
> >representation of strings
> >
> >
> >
> What do you mean with linker problem?
>
Nothing very specific, but generically wrong options, wrong
objects/libraries, or wro
uglier:
> a <- eval(substitute(function(z) { z; function() z+x}, list(x=k)))
> a1 <- a(k1)
> k1 <- 5
> a1()
[1] 120
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he front page of the manual says
The current version of this document is 2.4.0 (2006-11-25) DRAFT.
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have in
mind the ctl-C handler setting a "time to finish up" flag which the
maini code checks from time to time.
Thanks.
Ross Boylan
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nerates an interrrupt in most (but not all) R
> ports. Where it does, you can set up interrupt handlers (as the help page
> said)
>
My P.S. concerned whether the code that was interrupted could continue
from the point of interruption. As far as I can tell from ?tryCatch
there is not,
>
[resequencing and deleting for clarity]
On Tue, Feb 20, 2007 at 01:15:25PM -0600, Luke Tierney wrote:
> On Tue, 20 Feb 2007, Ross Boylan wrote:
> >>>P.S. Is there any mechanism that would allow one to trap an interrupt,
> >>>like a ctl-C, so that if the user hi
murky.
Below, [1] means
http://www.stat.uiowa.edu/~luke/R/exceptions/simpcond.html,
one of the documents Prof Ripley referred to.
That page also has a nice illustration of using the restart facility.
On Tue, Feb 20, 2007 at 01:40:11PM -0600, Luke Tierney wrote:
> On Mon, 19 Feb 2007, Ross Boyl
r, you can override the operator new in C++ so that
it uses your own allocator, e.g., R_alloc. I'm not sure about all the
implications that might make that dangerous (e.g., can the memory be
garbage collected? can it be moved?). Overriding new is a bit tricky
since there are se
Here are a few small follow-up comments:
On Sun, Feb 25, 2007 at 11:18:56PM +, Ernest Turro wrote:
>
> On 25 Feb 2007, at 22:21, Ross Boylan wrote:
>
> >On Sun, Feb 25, 2007 at 05:37:24PM +, Ernest Turro wrote:
> >>Dear all,
> >>
> >>I have
On Mon, 2007-02-26 at 16:08 +, Ernest Turro wrote:
> Thanks for your comments Ross. A couple more comments/queries below:
>
> On 26 Feb 2007, at 06:43, Ross Boylan wrote:
>
> > [details snipped]
> >
> > The use of the R api can be confined to a wrapper functi
k. I realize I could add
the library to the build (with Makevars, I guess), but I do not want
to introduce the dependency.
Thanks.
Ross
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On Mon, Mar 19, 2007 at 11:33:37AM +0100, Martin Maechler wrote:
> >>>>> "RossB" == Ross Boylan <[EMAIL PROTECTED]>
> >>>>> on Sun, 18 Mar 2007 12:39:14 -0700 writes:
>
> RossB> The contents of .Rbuildignore seems to affect
>
On Mon, Mar 19, 2007 at 10:38:02AM -0700, Ross Boylan wrote:
> Kurt Hornick, offlist, also advised this, as well as noting that using
Sorry. That should be "Kurt Hornik."
Ross
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tegration with Sun Grid Engine.
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University of California, San Francisc
ght the
function remain generic, and so did not rebuild it at the next
setMethod.
If I had practiced the recommended style, I would have done
foo<-function(object) 2
setGeneric("foo")
and all would have been well. So that's what I'll do.
I thought I'd report this in
on(object, myname=character(0), ...) {
[EMAIL PROTECTED] <- myname;
object
}
Further, if you invoke it with
mymethod(myclass, "new name")
you will discover myclass is unchanged. You need
myclass <- mymethod(myclass, "new name")
You might consider us
There are some autoconf snippets for figuring out how to compile
various MPI versions; it's not clear to me they are much help in
figuring out which version you've got. Perhaps they are some help:
http://autoconf-archive.cryp.to/ax_openmp.html
http://autoconf-archive.c
Currently, if one wants to test if an argument to an outer function is
missing from within an inner function, this works:
> g5 <- function(a) {
+ inner <- function(a) {
+ if (missing(a))
+ "outer arg is missing"
+ else
+ "found outer arg!"
+ }
+ inner(a)
+ }
> g5(3)
[1] "f
mpleRecorder.o Specification.o StateTimeClassifier.o SuccessorGenerator.o
TimePoint.o TimeStepsGenerator.o mspath.o mspathR.o -L/usr/lib/R/lib -lR
Thanks.
Ross
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On Tue, Apr 17, 2007 at 11:07:12PM -0400, Duncan Murdoch wrote:
> On 4/17/2007 10:43 PM, Ross Boylan wrote:
> >I get the error
> > undefined symbol: Rf_rownamesgets
> >when I try to load my package, which include C++ code that calls that
> >function. This is particul
y problems? If so, do they indicate
problems in R or some other component (e.g., ld.so). Put more
practically, should I file one or more bugs, and if so, against what?
Thanks.
Ross Boylan
==30551== Invalid read of size 4
==30551==at 0x4016503: (within /lib/ld-2.5.so)
==30551==by 0x400600
See at bottom for an example.
On Wed, 2007-07-25 at 11:26 -0700, Jonathan Zhou wrote:
> Hi Hin-Tak,
>
> Here is the R code function in where I called the two C++ and further below
> are the 2 C++ functions I used to create the externalptr and use it :
>
> soam.Rapply <- function (x, func, ...,
>
ssing a dependency; I see that's already been fixed
(wow!).
Ross
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, \alias{readingError-class},
\name{readingError-class} and an example invoking readingError.
I'm using R 2.5.1 as packaged for Debian GNU/Linux.
Does anyone have an idea what's going wrong here, or how to fix or debug
it?
The code seems to work OK when I use it from ESS.
--
Ross Boylan
ond, should R CMD check fail so completely and opaquely in this
situation?
>
> Ross Boylan wrote:
> > During R CMD check I get this:
> > ** building package indices ...
> > Error in eval(expr, envir, enclos) : could not find function
> > "readingError&quo
is Mac OS X.
Thanks.
Ross Boylan
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on one line).
"Writing R Extensions" (2.3.0 version) makes no reference to this topic
that I can see.
--
Ross Boylan wk: (415) 514-8146
185 Berry St #5700 [EMAIL PROTECTED]
Dept of Epidemiology and Biostatistics
On Thu, 2006-05-18 at 13:53 -0400, McGehee, Robert wrote:
> I believe the paper on which those lecture notes were based can be found
> here:
> http://www.ci.tuwien.ac.at/Conferences/DSC-2003/Drafts/BatesDebRoy.pdf
>
Thank you. It looks as if it has some useful stuff
recommended R'ish way to approach the problem? My current
approach works, but I'm concerned it is non-standard, and so would be
unnatural for users.
--
Ross Boylan wk: (415) 514-8146
185 Berry St #5700 [EMAIL PROTEC
On Fri, 2006-05-19 at 11:46 +0200, Martin Maechler wrote:
> >>>>> "Seth" == Seth Falcon <[EMAIL PROTECTED]>
> >>>>> on Thu, 18 May 2006 12:22:36 -0700 writes:
>
> Seth> Ross Boylan <[EMAIL PROTECTED]> writes:
> >
ly the same. Things are worse for replacement functions;
as I understand it, they must use "value" for their final argument, but
the value has different meanings and types in different contexts.
Any suggestions or comments?
I've attached the .Rd file in case more sp
On Tue, 2006-09-26 at 00:20 +, Ross Boylan wrote:
> I have a small S4 class for which I've written a page grouping many of
> the accessors and replacement functions together. I would be interested
> in people comments on the approach I've taken.
>
> The code has
On Tue, 2006-09-26 at 10:43 -0700, Seth Falcon wrote:
> Ross Boylan <[EMAIL PROTECTED]> writes:
> >> If anyone else is going to extend your classes, then you are doing
> >> them a disservice by not making these proper methods. It means that
> >> you can contr
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