Displaying 20 results from an estimated 5000 matches similar to: "GC encountered a node (…) with an unknown SEXP type"
2015 Feb 20
1
requireNamespace etiquette
I'm trying to resolve a problem of Namespaces and probably have misunderstood
something basic.
In my quantreg package the function crq() has as its first argument a
formula that typically contains
something like this: Surv(y, ...) ~ foo, where Surv is a function from the
survival package which
quantreg suggests. When this syntax is encountered in ordinary usage Surv
is resolved, I believe,
2009 Sep 12
1
Access to integer value of BUILTINSXP/SPECIALSXP
Hello,
For the BUILTINSXP and SPECIALSXP types, the R Internals page documents
"An integer giving the offset into the table of primitives/.Internals. "
What macro gives me the value of this integer? I guess something like
this would work
had R_USEINTERNALS been defined
v->u.primsxp.offset
(where v is a SEXP of either of the above types).
What is the portable version?
Thank you
2011 May 25
1
External special functions (SPECIALSXP)
Is it possible to define an external special function (SPECIALSXP)?
I'm trying to do some language-level work, and don't want my arguments
evaluated before they hit C.
It looks like the only way to define a SPECIALSXP is by using XX0 in
the `eval' field of R_FunTab; is there any way to make this applicable
to externally defined functions?
2003 Dec 16
1
Memory issues in "aggregate" (PR#5829)
Full_Name: Ed Borasky
Version: 1.8.1
OS: Windows XP Professional
Submission from: (NULL) (208.252.96.195)
R 1.8.1 seems to be running into a memory allocation problem in the "aggregate"
function. I have a rather large dataset (14 columns by 223,000 rows -- almost 40
megabytes) and a script that performs some processing on it. The system is a 768
MB Pentium 4. Here's the console
2018 Mar 06
2
requiring a full fqdn for authentication
Hi,
Thanks. Can you elaborate?
Thanks.
Dave.
On 3/6/18, Steffen Kaiser <skdovecot at inf.h-brs.de> wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Fri, 2 Mar 2018, David Mehler wrote:
>
>> dovecot to require a complete email address as a login. Currently I
>> can log in by either a username or fqdn. I've got the below what is
>> the
2002 Oct 14
1
R 1.6.0 Solaris crash with xmalloc: out of virtual memory
[some de-capitalization of *SXP done manually by mailing
list maintainer ; the originally was caught as potential spam. MM]
I have a little R program that crashes with the message
xmalloc: out of virtual memory
The code has a repeat{} loop that watches the sizes of some files.
When there's an increase it updates things by reading the last 65
lines of each file, doing some
2009 Aug 16
1
Installing quantreg package under Ubuntu
Does any have installation instructions for this? When I run
install.packages('quantreg') I get:
gcc -std=gnu99 -shared -o quantreg.so akj.o boot.o brute.o chlfct.o
cholesky.o combos.o crq.o crqfnb.o dsel05.o etime.o extract.o idmin.o
iswap.o kuantile.o mcmb.o penalty.o powell.o rls.o rq0.o rq1.o rqbr.o
rqfn.o rqfnb.o rqfnc.o sparskit2.o srqfn.o srqfnc.o srtpai.o -llapack
-lblas
2013 Apr 18
1
Memory usage reported by gc() differs from 'top'
In help(gc) I read, "...the primary purpose of calling 'gc' is for the
report on memory usage".
What memory usage does gc() report? And more importantly, which memory
uses does it NOT report? Because I see one answer from gc():
used (Mb) gc trigger (Mb) max used (Mb)
Ncells 14875922 794.5 21754962 1161.9 17854776 953.6
Vcells 59905567 457.1 84428913 644.2
2007 Jan 02
0
[PATCH 1/4] add scsi-target and IO_CMD_EPOLL_WAIT patches
This includes two kernel patches, scsi-target and IO_CMD_EPOLL_WAIT.
The former is a modified version of the scsi target infrastructure in
mainline.
The latter enables applications to handle AIO and non-AIO fds in the
same loop. blktap uses the different patch, AIO event queue patch for
the same aim. The IO_CMD_EPOLL_WAIT patch will be merged into mainline
(and the AIO event queue will not) so
2005 Jan 03
2
Memory problem ... Again
Happy new year to all;
A few days ago, I posted similar problem. At that time, I found out that our
R program had been 32-bit compiled, not 64-bit compiled. So the R program
has been re-installed in 64-bit and run the same job, reading in 150
Affymetrix U133A v2 CEL files and perform dChip processing. However, the
memory problem happened again. Since the amount of physical memory is 64GB,
I think
2010 Jan 14
1
how to call a function from C
Hi,
In Rcpp, we now have a "Function" class to encapsulate functions (they
cover all three kinds, but this may change).
To call the function, what we do is generate a call with the function as
the first node and then evaluate the call.
SEXP stats = PROTECT( R_FindNamespace( mkString( "stats") ) );
SEXP rnorm = PROTECT( findVarInFrame( stats, install( "rnorm") ) )
2015 Nov 23
3
MKL Acceleration encouraging; need adjust package builds?
Dear R-devel:
The Cluster administrators at KU got enthusiastic about testing
R-3.2.2 with Intel MKL when I asked for some BLAS integration. Below
I forward a performance report, which is encouraging, and thought you
would like to know the numbers. Appears to my untrained eye there are
some extraordinary speedups on Cholesky decomposition, determinants,
and matrix inversion.
They had
2019 Oct 07
2
should base R have a piping operator ?
>
> On 7 Oct 2019, at 13:47, Duncan Murdoch <murdoch.duncan at gmail.com> wrote:
>
> On 07/10/2019 4:22 a.m., Lionel Henry wrote:
>> Hi Gabe,
>>> There is another way the pipe could go into base R that could not be
>>> done in package space and has the potential to mitigate some pretty
>>> serious downsides to the pipes relating to debugging
2013 Apr 25
2
How are R version types named ? Any convention (like Hurricanes etc)
With reference to R News
News:
R version 3.0.0 (Masked Marvel) has been released on 2013-04-03.
R version 2.15.3 (Security Blanket) has been released on 2013-03-01
R version 2.15.2 (Trick or Treat) ....
R version 2.15.1 ("Roasted Marshmallows") ...
R version 2.15.0 ("Easter Beagle")
R version 2.14.0 ("Great Pumpkin")
Dear R help List,
How are these version types
2015 Jan 22
1
:: and ::: as .Primitives?
On Thu, Jan 22, 2015 at 11:44 AM, <luke-tierney at uiowa.edu> wrote:
> I'm not convinced that how to make :: faster is the right question. If
> you are finding foo::bar being called often enough to matter to your
> overall performance then to me the question is: why are you calling
> foo::bar more than once? Making :: a bit faster by making it a
> primitive will remove
2001 Dec 07
2
Memory problem
Dear all,
I have written a little R program to convert images. See below. Within the
loop over j (the filenames) memory consumption grows constantly. rm( ... )
inside the loop did not help. Memory does not grow if I remove the writeBin
statements between the two #-------- marks. But obviously this is not
solution I want...
Thanks for any advice.
Manfred Baumstark
P.S. As I'm new to R:
2015 Jan 22
5
:: and ::: as .Primitives?
On Thu, Jan 22, 2015 at 11:44 AM, <luke-tierney at uiowa.edu> wrote:
>
> For default methods there ought to be a way to create those so the
> default method is computed at creation or load time and stored in an
> environment.
We had considered that, but we thought the definition of the function
would be easier to interpret if it explicitly specified the namespace,
instead of
2004 Dec 28
2
Configuration of memory usage
Hi, all;
I know there has been a lot of discussions on memory usage in R.
However, I have some odd situation here. Basically, I have a rare
opportunity to run R in a system with 64GB memory without any limit on
memory usage for any person or process. However, I encountered the memory
problem error message like this:
Error: cannot allocate vector of size 594075 Kb
I got this error message while
2008 Sep 15
0
Simple censored quantile regression question
I start by doing a simple gaussian tobit by MLE:
x1 <- runif(1000) # E() = 0.5
x2 <- runif(1000)*2 # E() = 1
x3 <- runif(1000)*4 # E() = 2
ystar <- -7 + 4*x1 + 5*x2 + rnorm(1000) # is mean 0
y <- ystar
censored <- ystar <= 0
y[censored] <- 0
library(AER)
m <- tobit(y ~ x1 + x2, left=0, data=D)
summary(m)
Which gives:
Call:
2006 Sep 28
1
eval(SEXP fn,SEXP rho) in C++ code
Hi r-devel,
I am working on a R extension. I am writing the
function in C++, and in my function it is required a R
function object from the user. This R function object
will be evaluated thousand of times in my C++ code. I
generated the shared library and I loaded it on R. I
did several experiments in order to compare the speed
of my compiled code vs the speed of the equivalent
interpreted code.