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1,265 results for “from:Ulrich”

[R-pkg-devel] Tools for reducing dependencies?
Joshua Ulrich · Mar 12, 2023 · r-package-devel

Hi Duncan, On Sun, Mar 12, 2023 at 6:34?AM Duncan Murdoch <murdoch.duncan at gmail.com> wrote: > > The rgl package has a really large number of dependencies, especially if > I include soft (Suggested) dependencies. It would be nice...

recommended zoo merge for multiple objects
Joshua Ulrich · Oct 9, 2009 · r-sig-finance

On Fri, Oct 9, 2009 at 12:43 PM, zubin <binabina at bellsouth.net> wrote: > Hello, i have about 20 objects, each object is a zoo object, a ticker > symbol. > > I am using merge.zoo to merge 2 objects successfully...

Fast optimizer
Joshua Ulrich · Oct 29, 2009 · r-sig-finance

Please, please, please stop posting non-finance questions to this list. Also please note the instructions here: http://www.r-project.org/mail.html Particularly: "Additionally, there are several specific Special Interest Group (=: SIG) mailing lists; however do post to...

Need help to find an R-code
Joshua Ulrich · Oct 25, 2014 · r-sig-finance

On Sat, Oct 25, 2014 at 10:09 AM, adarsh paul <adarshpl7 at gmail.com> wrote: > Hello everyone, I'm an undergraduate student working on my thesis. I need > help with finding an R-code to estimate the parameters in...

RFC: quantmod::getSymbols.MySQL
Joshua Ulrich · Oct 29, 2014 · r-sig-finance

As many of you know, the Defaults package was removed from CRAN on 2014-10-03 at Jeff's request. This broke a fair bit of functionality in quantmod, most of which I have addressed in recent commits on R...

append with write.table()
Ulrich Leopold · Apr 29, 2002 · r-help

Dear list, I get the following message while trying to append an object to a file. In addition it is not appended. Do you know why? > write.table(PoxAv, "/home/uleopold/lsk_PoxAv", append=TRUE , quote=FALSE, sep="\t") Warning...

Error in addTxn - Quantstrat
Joshua Ulrich · May 24, 2017 · r-sig-finance

On Wed, May 24, 2017 at 2:37 PM, Daniel Cegie?ka <daniel.cegielka at gmail.com> wrote: > > ok, I found a bug. > > https://github.com/braverock/blotter/blob/master/R/addTxn.R#L81 > > as.Date("2017-01-01") return...

More general list?
Joshua Ulrich · Jan 1, 2011 · r-sig-finance

Whitney, Please search before posting. A search for "general mailing list" on www.rseek.org yielded http://www.r-project.org/mail.html as the first result. The tools below are better than just using Google to search: http://www...

vacant position
Ulrich Küsters (Hauptbenutzer) · Jun 29, 2000 · r-help

Dear R-users, the chair of statistics at the Department of Business Administration of the Catholic University of Eichstaett in Germany is looking for a research assistant. Candidates should have obtained a degree in either business administration, economics, mathematics, statistics...

quantmod Example-google data download-problems
Joshua Ulrich · Aug 7, 2010 · r-sig-finance

You can only download data that Google makes publicly available. Go to http://www.google.com/finance/historical?q=NSE:RCOM Now go to http://www.google.com/finance/historical?q=MSFT Notice that the second page has a link...

[Bioc-devel] Masked version of BSgenome.Hsapiens.NCBI.GRCh38?
Ulrich Bodenhofer · Feb 6, 2015 · bioc-devel

Hi, The latest human genome build GRCh38 has been around in Bioconductor for some while (package BSgenome.Hsapiens.NCBI.GRCh38). As far as I can tell, however, there is currently no package that provides easy access to masked/unmasked regions...

[R-pkg-devel] Changing package maintainers
Joshua Ulrich · Feb 8, 2024 · r-package-devel

The process is described in the 6th bullet of the "Source Packages" section of the CRAN Policies: https://cran.r-project.org/web/packages/policies.html "When a new maintainer wishes to take over a package, this should be accompanied...

Quantmod
Joshua Ulrich · Jul 31, 2009 · r-sig-finance

Eduard See this section of the Windows FAQ: http://cran.r-project.org/bin/windows/base/old/2.0.0/rw-FAQ.html#The-internet-download-functions-fail_002e Post to R-help If you still have problems, since this...

Quanstrat for R.2-14
Joshua Ulrich · Nov 2, 2011 · r-sig-finance

Aside from providing the OS and R version, your message is vague and not helpful. What version of quantstrat are you using and (more importantly) what is the problem? I've been using the latest build of quantstrat with R...

sub functions
Ulrich Leopold · May 27, 2002 · r-help

Dear list, how can I write the following two lines in one function: > Pox2 <- ave(lsk0t50$Pox2, lsk0t50$ProfN, Fun=is.na(lsk0t50$Pox2)) > Pox2 <- data.frame(Pox2) The following does not work: > Pox2 <- data.frame(Pox2 <- ave(lsk0t50$Pox2...

Quantstrat summary of trades/transactions
Joshua Ulrich · Dec 17, 2012 · r-sig-finance

See ?tradeStats in blotter. -- Joshua Ulrich | about.me/joshuaulrich FOSS Trading | www.fosstrading.com On Mon, Dec 17, 2012 at 10:12 PM, Robert A'gata <rhelpacc at gmail.com> wrote: > Hi, > > I think there must be a function already...

Add.Distribution on signal "BBands" ?
Joshua Ulrich · Mar 9, 2016 · r-sig-finance

On Wed, Mar 9, 2016 at 6:47 AM, Peter Neumaier <peter.neumaier at gmail.com> wrote: > Hi everyone, > > I have created a signal based on BBands with > > add.indicator(strat.st, name = "BBands", > arguments = list(HLC = quote(HLC(mktdata...

Time Varying Higher Moments - racd?
Joshua Ulrich · May 27, 2014 · r-sig-finance

See p15 of the presentation. -- Joshua Ulrich | about.me/joshuaulrich FOSS Trading | www.fosstrading.com On Tue, May 27, 2014 at 1:54 PM, Mark Knecht <markknecht at gmail.com> wrote: > In this presentation: > > http://www.rinfinance.com/agenda/2013...

Pattern recognition in timeseries data
Joshua Ulrich · Jul 21, 2009 · r-sig-finance

Hi Mark, I'm not aware of anything like this in R. I avoided these types of indicators in TTR because their definitions tend to be subjective. I wouldn't be opposed to including such indicators in TTR as long...

Spatial interpolation of river network observations
Ulrich Leopold · Nov 17, 2009 · r-sig-geo

Dear all, I would like to interpolate 17 pollution observations in a storage lake in 3 dimensions (x,y,z). As I understand variogram analysis and kriging are not straightforward as we are dealing with non-euclidean (hydrologic) distances and...

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