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1,265 results for “from:Ulrich”

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Joshua Ulrich · Mar 7, 2014 · r-sig-finance

This functionality is in RQuantLib. -- Joshua Ulrich | about.me/joshuaulrich FOSS Trading | www.fosstrading.com On Fri, Mar 7, 2014 at 2:38 PM, Keith S Weintraub <kw1958 at gmail.com> wrote: > Folks, > > I am having a difficult time finding...

look at the underlying source code
Joshua Ulrich · May 17, 2012 · r-sig-finance

On Thu, May 17, 2012 at 12:40 PM, jaimie villanueva <jaimie.villanueva at gmail.com> wrote: > hi > > someone can show me how can i get the source code of a function. Exactly, > Function "ugarchsim" from library (rugarch). > I need...

write.foreign (SPSS) does not handle NAs properly (PR#8927)
Ulrich Keller · Jun 1, 2006 · r-devel

Full_Name: Ulrich Keller Version: 2.3.0 Patched (2006-04-28 r37936) OS: Windows XP SP2 Submission from: (NULL) (158.64.77.43) write.foreign(x,...,package="SPSS") writes incorrect data files if x contains NAs. Missing values are...

Version 1.3.5 of apcluster package
Ulrich Bodenhofer · Jun 29, 2014 · r-help

Dear colleagues, This is to inform you that Version 1.3.5 of the R package apclusterhas been released on CRAN last Friday. This version is a quick fix of a larger update (Version 1.3.4) that was released...

Adding vertical line to chart
Joshua Ulrich · Dec 28, 2013 · r-sig-finance

On Sat, Dec 28, 2013 at 7:14 AM, <manojit_roy at comcast.net> wrote: > I am trying to add a vertical line near the end of a chart plot, using the following code segment: > >> getSymbols('GTAT') >> ticker <- last(GTAT...

Who does develop the R core and libs, and how / where is it hosted?
Joshua Ulrich · Jan 14, 2013 · r-devel

On Mon, Jan 14, 2013 at 2:29 PM, oliver <oliver at first.in-berlin.de> wrote: > Hello, > > I saw Binaries, stable release-souzrces and daily snapshots of R, but > not something like a repository, visible for the public (like...

R-2.10.1 : There is no make file. (PR#14192)
Joshua Ulrich · Jan 22, 2010 · r-devel

On Fri, Jan 22, 2010 at 8:35 AM, <nachikethas at cox.net> wrote: > Full_Name: N. Srinivasan > Version: R-2.10.1 > OS: Ubuntu 9.10, 64 bits > Submission from: (NULL) (68.110.238.141) > > > ,/configure runs fine. > > But...

write.foreign creates incorrect SPSS syntax files when dataframe contains character variables (PR#8926)
Ulrich Keller · Jun 1, 2006 · r-devel

Full_Name: Ulrich Keller Version: 2.3.0 Patched (2006-04-28 r37936) OS: Windows XP SP2 Submission from: (NULL) (158.64.77.43) write.foreign(x,...,package="SPSS") creates an incorrect SPSS syntax file when x contains character variables...

Re-creating ".R" directory in R1.4.1
Ulrich Leopold · Mar 7, 2002 · r-help

Dear list, I lost my .R directory in my home directory under RedHat Linux. How can I create it again? Is there a command to start up R with creating this .R directory. Do I have to remove some other...

Version 1.3.3 of apcluster package (+ Rcpp compatibility issue)
Ulrich Bodenhofer · Feb 24, 2014 · r-help

Dear colleagues, This is to inform you that Version 1.3.3 of the R package *apcluster* has been released on CRAN last weekend. This update does not add or remove any functionality, its goal is to clear up some...

Ubuntu 8.10: Package installation fails (lf77blas problem)
Ulrich Keller · Dec 7, 2008 · r-sig-debian

I just upgraded to Ubuntu 8.10 (i386) from 8.04. After the upgrade, I ran update.packages(.libPaths()[1]) in R to get the packages installed from source up to date too. Unfortunately, two packages could not be updated...

erroneous additional weighting in plot.lm for glm objetcs?
Ulrich Halekoh · Feb 6, 2004 · r-help

Hej, In 'plot.lm' the deviance residuals for a glm object are multiplied by the square root of the objects weights in the computation of the standardized deviance residuals. But the deviance residuals contain already the square root of the...

Two problems with write.foreign (SPSS)
Ulrich Keller · May 29, 2006 · r-help

Hello, Working on a little primer to ease the transition from SPSS to R, I have encountered two problems with write.foreign. One is cosmetic (but still annoying): the text data files will contain "NA" for missing values. Each time...

xts objects comparison
Joshua Ulrich · Nov 14, 2013 · r-help

On Thu, Nov 14, 2013 at 2:26 AM, Tstudent <tstudent at gmail.com> wrote: > I have the following two xts object: > > https://dl.dropboxusercontent.com/u/102669/series1.rdata > > https://dl.dropboxusercontent.com/u/102669/series2.rdata > > With str...

blotter->chart.Posn -- 'no transactions/position to chart'
Joshua Ulrich · Nov 21, 2013 · r-sig-finance

On Thu, Nov 21, 2013 at 1:38 PM, Mark Knecht <markknecht at gmail.com> wrote: > On Thu, Nov 21, 2013 at 11:08 AM, Mark Knecht <markknecht at gmail.com> wrote: > <SNIP> >> >> chart.Posn("Equity", Symbol = "VTI", Dates = "2001...

Edit function
Ulrich Keller · Jun 7, 2006 · r-help

fix(data) will invoke edit(data) and store changes you make in data without displaying anything. stat stat schrieb: > Dear all R users, > > I have a query on "Edit" function. Suppose I have a data frame named "data". I can...

[R-pkg-devel] Installing Tests with R Build
Joshua Ulrich · Nov 23, 2017 · r-package-devel

On Wed, Nov 22, 2017 at 4:21 PM, Bill Denney <bill at denney.ws> wrote: > Hi, > > I have a package that I'm trying to make a validation vignette for. The validation vignette is intended to assist users with...

Xenial rpart package on CRAN built with wrong R version?
Ulrich Keller · Aug 14, 2018 · r-sig-debian

Hello, I just upgraded my Ubuntu Xenial system to R 3.5.1 (from 3.4.?) by changing the sources.list entry and doing an "apt-get dist-upgrade". Everything works except loading the rpart package in R: > library(rpart...

GBSVolatility in fOptions
Joshua Ulrich · Nov 1, 2011 · r-sig-finance

You have the source code. Take a look: GBSVolatility = function(price, TypeFlag = c("c", "p"), S, X, Time, r, b, tol = .Machine$double.eps, maxiter = 10000) { TypeFlag = TypeFlag[1] volatility = uniroot(.fGBSVolatility, interval = c(-10,10), price = price, TypeFlag = TypeFlag...

in Rd documentation, line breaks in code blocks?
Ulrich Staudinger · Nov 28, 2012 · r-help

Hi everyone, following the gentle advice from this list, I write a package description Rd file. I have a section in there. In this section, I have a subsection. In this subsection, I want to have a code fragment. This...

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