search for: osklyar

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2009 Jan 13
2
particulars of importing/loading libraries
...have not been able to find a clear explanation. The problem can be illustrated by the following simple example (this is a simple code for 2 packages, pack1 and pack2; plus an example). Thank you for your replies. Dr Oleg Sklyar Research Technologist AHL / Man Investments Ltd +44 (0)20 7144 3107 osklyar at maninvestments.com --- pack1: DESCRIPTION ------ Package: pack1 Version: 0.0.1 Date: 12 Jan 2009 Title: pack1 to test S3/S4 methods compatibility Author: Oleg Sklyar Depends: R (>= 2.7.1), methods Maintainer: Oleg Sklyar <osklyar at maninvestments.com> Description: pack1 LazyLoad: yes...
2008 Mar 26
0
as.POSIXct/as.POSIXlt generics
...t work w/o warnings? All the same for as.POSIXlt. Using S3 definition instead works for the parent class, but seems to require an additional definition for derived ones, well, I'd rather avoid S3. Thanks, Oleg Help page definition: > ?as.POSIXct Usage: as.POSIXct(x, tz = "") osklyar:R > R *** R version 2.6.2 (2008-02-08) *** > getGeneric("as.POSIXct") NULL > setGeneric("as.POSIXct", function(x, tz) standardGeneric("as.POSIXct")) New generic for "as.POSIXct" does not agree with implicit generic from package "base"; a n...
2007 Feb 13
2
anyone has C++ STL classes stability issue if used with R
...ls 2.6.9 (stable CentOS), 2.6.17 (stable Ubuntu) and 2.6.20 (Ubuntu devel). Here are the compilation options of this particular module (built as part of EBImage, which generally compiles and works just fine): -------------------------------------------------------------------------- g++ -I/home/osklyar/R/R-2.5.0-40659/include -I/home/osklyar/R/R-2.5.0-40659/include -I/usr/local/include -DUSE_GTK -DGLIB_GETTEXT -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pango-1.0 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -Wall -g -...
2008 Apr 07
3
Overriding axis formatting with custom Axis method, Axis.numeric etc
...uot;ANY"), AxisFUN) setMethod("Axis", signature(x="ANY",at="missing"), AxisFUN) setMethod("Axis", signature(x="ANY",at="ANY"), AxisFUN) Any ideas? Thanks, Oleg Dr Oleg Sklyar Technology Group Man Investments Ltd +44 (0)20 7144 3803 osklyar at maninvestments.com ********************************************************************** The contents of this email are for the named addressee(s) only. It contains information which may be confidential and privileged. If you are not the intended recipient, please notify the sender immediatel...
2008 Apr 22
1
graphics::Axis loosing S3/S4 class attributes of 'x' in 2.7.0 RC
....MyClass from my previous post. This happens for both S3 and S4 classes as in the code below! Funny enough, even "integer" was reset to numeric in Axis... Is this really an intended behaviour? It looks very wrong to me! Thanks, Oleg *** R version 2.7.0 RC (2008-04-20 r45403) [/research/osklyar/R-devel] *** > Axis function (x = NULL, at = NULL, ..., side, labels = NULL) { cat("In Axis() class(x)=", class(x), "; class(at)=", class(at), "\n", sep = "") if (!is.null(x)) UseMethod("Axis", x) else if (!is.null(at)...
2005 Feb 25
3
passing command line arguments to 'R CMD BATCH myScript.R'
...understands --args as an output file and generates a file with that name. Does anyone has a solution for the problem? Best regards Oleg -- Dr Oleg Sklyar European Bioinformatics Institute Wellcome Trust Genome Campus Hinxton, Cambridge, CB10 1SD England phone/fax +44(0)1223 49 4478/4468 e-mail osklyar at ebi.ac.uk
2005 Jun 30
1
parsing '...' function argument?
...would return 10 and one could access elements by ...[[i]], but all this fails if there are two arguments or more). Thanks Oleg -- Dr Oleg Sklyar European Bioinformatics Institute Wellcome Trust Genome Campus Hinxton, Cambridge CB10 1SD United Kingdom tel +44 1223 492537 fax +44 1223 494468 email osklyar@ebi.ac.uk [[alternative HTML version deleted]]
2009 Mar 13
1
Rd \usage clause for an S4 replace method
...## S4 method for signature 'TimeSeries, TimeDate, missing': x[i, j, ..., drop] \S4method{[<-}{TimeSeries,TimeDate,missing,ANY}(x, i, j, ..., value) How should I document the latter? Thanks. Dr Oleg Sklyar Research Technologist AHL / Man Investments Ltd +44 (0)20 7144 3107 osklyar at maninvestments.com ********************************************************************** Please consider the environment before printing this email or its attachments. The contents of this email are for the named addressees ...{{dropped:19}}
2010 May 07
1
Bug in R -e "command"
.../share/R/20090611/bin/R -e "message('aaa aaa')" R version 2.9.0 (2009-04-17) Copyright (C) 2009 The R Foundation for Statistical Computing ... > message('aaa aaa') aaa aaa > > Dr Oleg Sklyar Research Technologist AHL / Man Investments Ltd +44 (0)20 7144 3803 osklyar at maninvestments.comno more ********************************************************************** Please consider the environment before printing this email or its attachments. The contents of this email are for the named addressees ...{{dropped:19}}
2009 Feb 11
1
setClassUnion with numeric; extending class union
...ss numericOrNULL has not got the .Data slot from numeric, but it would be nice to have such a functionality. Any ideas about better ways for solving such a problem than the one described above? Thanks. Best, Oleg Dr Oleg Sklyar Research Technologist AHL / Man Investments Ltd +44 (0)20 7144 3107 osklyar at maninvestments.com ********************************************************************** Please consider the environment before printing this email or its attachments. The contents of this email are for the named addressees ...{{dropped:19}}
2008 Sep 03
1
ugly plots with xlim/ylim exceeding data range (changed since R2.6.1)
...R version 2.6.1 (2007-11-26) x86_64-unknown-linux-gnu locale: C attached base packages: [1] stats graphics grDevices utils datasets methods base loaded via a namespace (and not attached): [1] rcompgen_0.1-17 Dr Oleg Sklyar Technology Group Man Investments Ltd +44 (0)20 7144 3803 osklyar at maninvestments.com ********************************************************************** The contents of this email are for the named addressee(s) only. It contains information which may be confidential and privileged. If you are not the intended recipient, please notify the sender immediatel...
2010 Apr 13
0
Job: AHL Research Developer, R/python - top hedge fund, Oxford/London UK
Dear list subscribers, this is posted in appreciation of the level of skill that subscribers to this mailing list enjoy and in no way to abuse it. We are looking to hire a Research Developer with extensive R and/or python development skills. If interested (below), please contact me directly on osklyar at ahl.com: Man Group / AHL Research Developer [3040] Man is a world-leading alternative investment management business. With a broad range of funds for institutional and private investors globally, it is known for its performance, innovative product design and investor service. Man's funds...
2008 Apr 10
1
ISOdate/ISOdatetime performance suggestions, other date/time questions
...ESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_GB.UTF-8;LC_IDENTIFICATI ON=C attached base packages: [1] stats graphics grDevices utils datasets methods base loaded via a namespace (and not attached): [1] rcompgen_0.1-17 Dr Oleg Sklyar Technology Group Man Investments Ltd +44 (0)20 7144 3803 osklyar at maninvestments.com ********************************************************************** The contents of this email are for the named addressee(s) only. It contains information which may be confidential and privileged. If you are not the intended recipient, please notify the sender immediatel...
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
2005 Mar 16
1
returning NULL from .Call call
...to return and it works, but not really elegantly and returning wrong data when fails. Thanks in advance for any comments. Regards Oleg -- Dr Oleg Sklyar European Bioinformatics Institute Wellcome Trust Genome Campus Hinxton, Cambridge, CB10 1SD England phone/fax +44(0)1223 49 4478/4468 e-mail osklyar@ebi.ac.uk
2010 Jul 21
1
Bug: broken exception handling in S4 methods
..._NAME=C [9] LC_ADDRESS=C LC_TELEPHONE=C LC_MEASUREMENT=en_GB LC_IDENTIFICATION=C attached base packages: [1] splines stats graphics utils datasets grDevices methods base Dr Oleg Sklyar Research Technologist AHL / Man Investments Ltd +44 (0)20 7144 3803 osklyar at ahl.com ********************************************************************** Please consider the environment before printing this email or its attachments. The contents of this email are for the named addressees ...{{dropped:19}}
2008 Apr 22
1
plot(x) in 2.7.0 (with y=NULL) proposed code correction
...,89c70,71 < localAxis(if(is.null(y)) xy$x else x, side = 1, ...) < localAxis(if(is.null(y)) x else y, side = 2, ...) --- > localAxis(xy$x, side = 1, ...) > localAxis(xy$y, side = 2, ...) Dr Oleg Sklyar Technology Group Man Investments Ltd +44 (0)20 7144 3803 osklyar at maninvestments.com ********************************************************************** The contents of this email are for the named addressee(s) only. It contains information which may be confidential and privileged. If you are not the intended recipient, please notify the sender immediatel...
2007 May 22
2
inline C/C++ in R: question and suggestion
...e how to vectorize it. Now, below is the solution using the "inline" C code, completely in R and runs instantly. I created a small package "inline" that simply encapsulates a quite simple function "cfunction". The package source is available from http://www.ebi.ac.uk/~osklyar/inline -- please give it a try and I would be happy to hear your comments, both on already existing implementations for "inline" calls and on the current one. It is a draft and I will be happy to improve it (especially comments on how to ensure that the shared object is unloaded when the...
2009 Nov 03
1
likely bug in 'serialize' or please explain the memory usage
...s the caller :( I do not have immediate access to the newest version of R, so would be grateful if sombody could test it in that and let me know if the problem is still there. The example is runnable. Thanks, Oleg Dr Oleg Sklyar Research Technologist AHL / Man Investments Ltd +44 (0)20 7144 3803 osklyar at maninvestments.com ------------------------------------------------------------------------ ------- mycall = function(x, fun) { FUN = serialize(fun, NULL) DAT = serialize(x, NULL) cat(sprintf("length FUN=%d; length DAT=%d\n", length(FUN), length(DAT))) invisible(...
2007 Jan 08
2
Plot .jpeg image in margins?
Is it possible to plot an image (currently a jpeg) in the margins? Thanks, Kari [[alternative HTML version deleted]]