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1,265 results for “from:Ulrich”

getSymbols not properly accounting for GOOGL's stock split.
Joshua Ulrich · May 7, 2014 · r-sig-finance

On Tue, May 6, 2014 at 10:01 PM, Ilya Kipnis <ilya.kipnis at gmail.com> wrote: > I'm trying adjust=TRUE on getSymbols("GOOGL", src="yahoo", > from="1900-01-01", adjust=TRUE), then doing plot(Cl(GOOGL)) and I...

Looking for GUI
Ulrich Pedri · Mar 13, 2003 · r-help

Hi List, i am locking for a GUI for R. I have a Debian Woody 3.0 and running R 1.5.1. In office i am using SPSS 9.0 for several years now after Systat for short time...

Using abline with chartSeries
Joshua Ulrich · Apr 8, 2012 · r-sig-finance

Hi Mark, On Mon, Apr 9, 2012 at 12:56 AM, acquitaine <acquitaine at gmail.com> wrote: > > I do not think that sending someone to search using rseek is a step forward. > Google is the better search tool primarily because...

SVM. How to use categorical attributes?
Ulrich Bodenhofer · Mar 28, 2012 · r-help

Sorry, I forgot to mention the following: all I wrote is only valid as long as your number of samples is smaller than the number of different words. If the number of samples exceeds the total number of different words...

[Bioc-devel] cbind method / SummarizedExperiment
Hans-Ulrich Klein · Aug 19, 2014 · bioc-devel

Hi all, I implemented a subclass of SummarizedExperiment from the GenomicRanges package. When I call cbind() on two objects of my subclass, I get an object of class SummarizedExperiment and not of my own class. So I have to re...

disable lazy-loading in install.packages() ?
Ulrich Leopold · Mar 7, 2006 · r-help

> R.version _ platform i486-pc-linux-gnu arch i486 os linux-gnu system i486, linux-gnu status major 2 minor 1.1 year 2005 month 06 day 20 language R Dear list, how can I disable lazy-loading in 'install...

Multithreading
Ulrich Leopold · Apr 4, 2007 · r-help

Dear list, is R capable of multithreading? At the moment it uses only 1 CPU out of 4 CPUs on my system. Is there a compilation option or start option so that R uses multiple CPUs at the same time...

Backtesting framework package
Joshua Ulrich · Jun 23, 2009 · r-sig-finance

The blotter package probably provides the closest to what you're looking for. http://r-forge.r-project.org/projects/blotter Best, Josh -- http://www.fosstrading.com On Tue, Jun 23, 2009 at 8:58 PM, R_help Help<rhelpacc...

as.Date.POSIXct
Joshua Ulrich · Mar 26, 2013 · r-devel

Would it make sense for as.Date.POSIXct to not assume tz="UTC" if the POSIXct object has a valid tzone attribute? Current behavior may be confusing in certain cases, for example: > (d <- structure(1090450800, tzone="Europe/Berlin", + class=c...

Strange Problem with "proj" and "aov" for split-plot analysis output
Ulrich Leopold · Aug 1, 2004 · r-help

> # split-plot analysis - using "aov" with argument "data" > > summary(aov.split.04 <- > aov(ctime~brand*type+Error(subject),data=choco.split.04)) As far as I can see, maybe you should not use the redirect command in this case and...

glm: mustart, different default for quasi and quasipoisson
Ulrich Halekoh · Apr 13, 2005 · r-help

Hallo, for the quasipoisson family the default for mustart is y+ 0.1, for the quasi family with 'variance="mu"' the default is y + 0.1 * (y == 0) I would like to know, whether the setting for quasipoisson is preferable...

as.POSIXlt.factor and '...'
Joshua Ulrich · Dec 29, 2010 · r-devel

I noticed a difference in how as.POSIXct handled the 'format' argument when 'x' is character versus when 'x' is a factor. For example: myFormat <- "%d-%m-%Y" myDateStr <- format(Sys.Date()+1:5,myFormat) as.POSIXct(myDateStr, format=myFormat...

Installing quantstrat
Joshua Ulrich · Nov 26, 2013 · r-help

On Tue, Nov 26, 2013 at 11:34 AM, Ira Fuchs <irafuchs at gmail.com> wrote: > I would like to try to run the quantstrat package (located here: https://r-forge.r-project.org/R/?group_id=316). However, if...

help
Joshua Ulrich · Jul 16, 2013 · r-help

On Tue, Jul 16, 2013 at 12:23 PM, Dia <mnshdtt0 at gmail.com> wrote: > Hi, i am tring to learn R own my own. From where can i download data for R > (creating a subset). Right now i'm...

Strange behaviour of as.integer()
Ulrich Keller · Jan 7, 2010 · r-help

I have encountered a strange behaviour of as.integer() which does not seem correct to me. Sorry if this is just an indication of me not understanding floating point arithmetic. > .57 * 100 [1] 57 > .29 * 100 [1] 29 So far...

get.hist.quote() and Yahoo
Joshua Ulrich · Sep 6, 2007 · r-sig-finance

On 9/4/07, Sergio Correia <sergio.correia at gmail.com> wrote: > > About the adjusted close data.. is there a way to use the > dividend/split historical data to correctly generate the adjusted > close information? Anyone has more info about...

write.foreign (SPSS) writes illegal SPSS variable names (PR#9006)
Ulrich Keller · Jun 19, 2006 · r-devel

Full_Name: Ulrich Keller Version: Version 2.3.1 Patched (2006-06-05 r38290) OS: Windows XP SP2 Submission from: (NULL) (158.64.77.159) The variable names specified in SPSS syntax files created by write.foreign(...,package="SPSS") contain...

subtract 2 columns in a data.frame
Ulrich Leopold · Sep 4, 2003 · r-help

Dear list, could someone point me to the right command to subtract 2 columns in a data.frame. Might be a bit embarrassing question. But I cannot figure out how to do this simple command in R. Thanks, Ulrich -- __________________________________________________ Ulrich...

R Users Group in Saint Louis, MO
Joshua Ulrich · Feb 27, 2011 · r-help

I would like to invite those of you in the St. Louis, Missouri area to join the newly-created St. Louis R user group. The aim is to create an interdisciplinary venue where practitioners from various fields in industry, academia...

R-Forge not building packages?
Ulrich Staudinger · Dec 3, 2012 · r-help

Hi there, I am waiting since days for my package to be built on R-Forge. https://r-forge.r-project.org/R/?group_id=1518 R-Forge says: Version: 0.2 | Last change: 2012-11-27 21:37:05...

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