Skip to content

Search Archives

Search tips
from:Name Search by author name, e.g. from:Duncan Murdoch "exact phrase" Match an exact phrase word1 word2 Match messages containing both words Date range Use the date pickers to filter results to a time period

Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.

550 results for “from:Jens”

There is any R package that Artificial Neural Network for spatial interpolation?
Jens Floeter · Mar 8, 2020 · r-sig-geo

Hi Abdelkrim, you may have a look into Rammer W and Seidl R (2019) Harnessing Deep Learning in Ecology: An Example Predicting Bark Beetle Outbreaks. Front. Plant Sci. 10:1327. doi: 10.3389/fpls.2019.01327 They used the H2O...

Problem creating a package with high-resolution timer
Jens Oehlschlägel · Feb 3, 2011 · r-sig-hpc

Thanks Olaf, Thanks Daniel, Problem solved. The typo was only in the mail. But I funneld the -lrt flag via the R CMD INSTALL mechanics to the compiler instead of to the linker. Setting PKG_LIBS=-lrt in Makevars did...

ff package - Error selecting 0 rows.
Jens Oehlschlägel · Jul 23, 2011 · r-sig-hpc

Hi Ivan, Thanks for reporting this bug. >Error in as.integer.hi(x, ...) : object 'ret' not found debug(as.integer.hi) and calling again shows that the return value 'integer()' was not assigned to 'ret'. This is fixed now in...

How to overload the assignment operator?
Jens Oehlschlägel · Nov 13, 2007 · r-devel

Dear all, what is the proper way to make the assignment operator generic and define methods depending on the class of the assigned value? Best regards Jens Oehlschl?gel P.S. I vaguely remember that this was possible in S...

How to receive German umlauts (8bitWestern) from SJava ?
Jens Oehlschlägel · Jul 4, 2002 · r-help

I have a problem with receiving a full 8bit characterset from SJava. My R has > Sys.getlocale() [1] "LC_COLLATE=German_Germany.1252;LC_CTYPE=German_Germany.1252;LC_MONETARY=C;LC_NUMERIC=C;LC_TIME=German_Germany.1252" I...

can't start csh (scripts) (PR#8220)
Jens.Gloeckler@math.uni-giessen.de · Oct 19, 2005 · r-devel

Dear R developers, after upgrading from R 2.1.1 to 2.2.0 I can't start csh (scripts) anymore. While the following commands work fine > system("tcsh -c pwd") /hom1/users/gloeckler > system("bash -c pwd") /hom1/users...

writing functions
Jens Nieschulze · May 5, 2002 · r-help

On Sun, 5 May 2002, graham lawrence wrote: %This is my first attempt at writing a function. Would someone kindly %explain its result, or non-result. Thanking you in advance. % the function uses a Call by value, ie n within...

set functions
Jens Oehlschlägel-Akiyoshi · Jan 4, 2000 · r-help

> length(setdiff(x,y))==0 appears to be about twice as fast.... but isn't the same, is it? > length(setdiff(1:10, 1:15))==0 [1] TRUE > "equiv" <- function(x, y) all(c(match(x, y, 0)>0, match...

R-devel not R-help (was "Bug? using { as a function ...")
Jens Oehlschlägel · Sep 29, 2004 · r-help

Gabor, > The real problem is how to create a list with given names > and constant content. When this is your problem to solve, why don't you do the following? as.constlist <- function(content, names){ content <- rep(list(content), length...

[R-pkg-devel] Rcpp with clang++ -stdlib=libc++ ?
Jens Oehlschlägel · Sep 11, 2020 · r-package-devel

I can compile a package under clang++ with -stdlib=libstdc++, but with -stdlib=libc++ I get " In file included from /home/jo/R/x86_64-pc-linux-gnu-library/4.0/Rcpp/include/Rcpp/r/headers.h:67: /home/jo...

Call for Beta Testers: R+ (read R plus) for Solaris and Linux:
jen at xlsolutions-corp.com · Aug 8, 2006 · r-help

Code-named R+Team, our commercially supported R group is looking for beta testers for R+ on Solaris and R+ on Linux. We'd love to get your feedback for our R+Professional version that has additional funcationalities for enterprise...

A question about the ff package
Jens Oehlschlägel · Jan 7, 2010 · r-help

Peter, ff objects are not allowed as subscripts to ff objects. You can take several routes 1) use bit objects instead of logical or ff logical. This is fast and takes factor 32 less RAM than logicals (BTW bit objects...

Removing columns from data frame
Jens Nieschulze · Jul 22, 2002 · r-help

On Mon, 22 Jul 2002, Daniel Mastropietro wrote: %Hello, % %Is there an easy way to remove a few columns from a data frame by %indicating the column names? I am thinking of an operator like the "-" to something like yourDataFrame...

read.table error
Eric C. Jennings · Dec 7, 2005 · r-help

Hey, Once again I ask for some quick help. Here is some code: ovendata<- read.table("ovens.dat",header=TRUE) attach(ovendata) print(ovendata) Here is the .dat file: D One Two Three Four Five Seven Eight 1130 254 252...

Reading an ArcGIS raster file
Jens Oldeland · Apr 5, 2008 · r-help

> How can I read and plot an ArcGIS raster file into R ? Hi Juliane, I think what you are looking for is something like a function in the "adehabitat" package called "import.asc". First you need to convert your raster...

.Alias
Jens Oehlschlägel · Oct 26, 2000 · r-help

Not only changing mode or length (i.e. structure) of the original object results in converting an .Alias into a real copy, as the following examples show: > x <- 1:9 > y <- .Alias(x[9]) > y[1] [1] 9 > y[1...

Another inconsistency concerning device-size vs. window-size
Jens Oehlschlägel · Nov 9, 2000 · r-devel

Here is an inconsitency. I guess one of the two is a bug (the latter one). > x11(width=5, height=5, pointsize=8) > par("din") [1] 5.000000 4.989583 # now resize window to be narrower > par("din") [1] 5...

'ordered' destroyed to 'factor'
Jens Oehlschlägel · Jun 16, 2017 · r-devel

Dear all, ? I don't know if you consider this a bug or feature, but it breaks reasonable code: 'unlist' and 'sapply' convert 'ordered' to 'factor' even if all levels are equal. Here is a simple example: o <- ordered(letters...

Help for Linear Discriminant Analysis
Jens Nieschulze · Dec 7, 2001 · r-help

On Fri, 7 Dec 2001, Sovan Lek wrote: %Dear colleague, % %%I'd like to compute linear discriminant analysis, using R. In the book Modern %applied statistic with Splus (Venables & Ripley, p. 396), lda function is %used. Could you tell me...

as.ffdf.data.frame now breaks if using pattern
Jens Oehlschlägel · Apr 7, 2010 · r-help

Ramon, for me this works > setwd("d:/tmp") > ffd <- as.ffdf(d, col_args=list(pattern = paste(getwd(), "/fftmp", sep = ""))) > filename(ffd) $x [1] "d:/tmp/fftmp35c34861.ff" $y [1] "d:/tmp/fftmp5be946bb.ff" $z [1] "d:/tmp/fftmp26c49ce.ff...

Can't find what you're looking for? Try searching with Google .