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1,265 results for “from:Ulrich”

[R-pkg-devel] Dependency needs to be loaded manually even its specified in the package
Joshua Ulrich · Sep 18, 2020 · r-package-devel

On Fri, Sep 18, 2020 at 11:56 AM Dirk Eddelbuettel <edd at debian.org> wrote: > > > On 18 September 2020 at 18:38, Nuria Perez-Zanon wrote: > | I am maintaining a package call CSTools which is aimed for > | post-processing...

R package update problem at Company's PC
Joshua Ulrich · Feb 12, 2009 · r-sig-finance

Hi, This list is for finance-specific questions. You're more likely to get help with this question via the R-help mailing list. Josh -- http://www.fosstrading.com On Thu, Feb 12, 2009 at 3:55 PM, ning zhang...

Quantstrat OSfun
Joshua Ulrich · Sep 17, 2015 · r-sig-finance

On Thu, Sep 17, 2015 at 12:25 PM, Harry McGraw <harrymcgraw at outlook.com> wrote: > Hi members! > > I have problems with creating an order sizing function (OSfun) in Quantstrat.I've added a column in the mktdata-object, called...

quantmod: how to add custom timeseries (addTA?)
Joshua Ulrich · Oct 8, 2008 · r-sig-finance

Hi Michael, Try this: require(quantmod) require(TTR) getSymbols("YHOO") chartSeries(YHOO) min55 <- runMin(YHOO$YHOO.Low,55) addTA(min55,on=1) Best, Josh -- http://quantemplation.blogspot.com On Wed, Oct 8, 2008 at 7:50 AM, Michael Zak <michael...

extracting the variance from a covariance matrix
Joshua Ulrich · Oct 22, 2010 · r-sig-hpc

This is a question better suited for R-help than R-sig-hpc. See ?diag. -- Joshua Ulrich ?| ?FOSS Trading: www.fosstrading.com On Fri, Oct 22, 2010 at 9:31 AM, Marcelo Lima <mlimagb at gmail.com> wrote: > > Hi, > > I...

Use of chart_Series
Joshua Ulrich · Apr 22, 2012 · r-sig-finance

You cannot mix chartSeries / addTA functions with chart_Series and add_TA functions. -- Joshua Ulrich ?| ?FOSS Trading: www.fosstrading.com R/Finance 2012: Applied Finance with R www.RinFinance.com On Sun, Apr 22, 2012 at 9:08 AM, Gordon...

hans123 for intraday-data in R ?
Joshua Ulrich · Oct 13, 2014 · r-sig-finance

On Mon, Oct 13, 2014 at 3:44 AM, domodo <1111938 at qq.com> wrote: > hi,guys,it spent me several days to consider how to code strategy 'hans123' > in R and quantstrat pakage. > > the trouble is,it's hard...

Q: Windows/readline: missing history search
Ulrich Windl · Apr 12, 2017 · r-devel

Hello! Ever since I used R on Windows (RGui) I am missing the ability to search the command history (Cntrl+R (reverse-search-history) in BASH, for example). Is there a particular reason for having this function disabled? Another feature...

IRC
Joshua Ulrich · Feb 5, 2010 · r-sig-finance

On Fri, Feb 5, 2010 at 8:38 AM, Joshua Ulrich <josh.m.ulrich at gmail.com> wrote: > On Fri, Feb 5, 2010 at 8:24 AM, Nick Torenvliet > <nick.torenvliet at gmail.com> wrote: >> Just hooked up a couple...

Plotting multiple xts/zoo time series on a single plot.
Joshua Ulrich · Jan 22, 2011 · r-help

See ?plot.zoo, specifically plot.type="single". -- Joshua Ulrich ?| ?FOSS Trading: www.fosstrading.com On Sat, Jan 22, 2011 at 8:02 PM, Nick Torenvliet <nick.torenvliet at gmail.com> wrote: > So I've got a 154 column wide xts...

ubuntu hardy packages 32bit no tcltk support
Ulrich Leopold · Sep 16, 2008 · r-sig-debian

Dear all, I noticed that the r-base package for Ubuntu 8.04.1 do not have the tcltk support compiled in. Would it be possible to correct this? > echo "capabilities()" | R --no-save | tail -6 [Previously saved workspace restored...

quantmod: corp action
Joshua Ulrich · Mar 17, 2009 · r-sig-finance

Hi Andy, getDividends() returns dividends (adjusted for splits) from Yahoo. The TTR fuction getYahooData() allows you to pull prices, splits and dividends from Yahoo. # Pull prices (adjusted for splits and dividends), # volume (adjusted for splits), splits, and dividends # (adjusted for...

IBrokers - reqMktData - snapshot
Joshua Ulrich · Dec 13, 2020 · r-sig-finance

Hi Diego, Can you give me an example of a snapshot request that works for you when you remove the stop()? Thanks, Josh On Fri, Dec 11, 2020 at 5:26 AM diego peroni <diegoperoni1971 at gmail.com> wrote: > > Hi...

Proposal: Internal as.Date.POSIXct()
Joshua Ulrich · Oct 31, 2018 · r-devel

I would like to propose a .Internal() POSIXct2Date() function, similar to do_POSIXlt2D() in src/main/datetime.c. I created a working prototype, which is now included in Dirk Eddelbuettel's RApiDatetime package: https://github.com/eddelbuettel/rapidatetime This prototype...

glht: Problem with symbolic contrast for factors with number-levels
Ulrich Halekoh · Mar 4, 2011 · r-help

Using a factor with 'number' levels the straightforward symbolic formulation of a contrast in 'glht' of the 'multcomp' package fails. How can this problem be resolved without having to redefine the factor levels? Example: #A is a factor with 'number...

Prototyped support for "partial" and parallelism to rollapply.xts
Joshua Ulrich · Dec 21, 2014 · r-sig-finance

Hi Ivan, Thanks for the contributions! Did you happen to test the partial=TRUE output versus rollapply.zoo? Also, can you share your use case for running rollapply in parallel? Best, Josh On Fri, Dec 19, 2014 at 11:05...

get.hist.quote
Joshua Ulrich · Feb 9, 2007 · r-sig-finance

>All of a sudden get.hist.quote cease to function, i switched to zoo after i >totally failed to get yahooImport to work. I've been using the below R >snippet for weeks without any problems what so ever. <snip...

[Bioc-devel] Biostrings: substitution matrices disappeared?
Ulrich Bodenhofer · Apr 24, 2024 · bioc-devel

Dear colleagues, dear BioC core team, One of my packages in the devel branch, the ?msa? package seems broken since yesterday. The vignette does not run anymore (therefore, the package does not build), and the reason is that the BLOSUM62...

Package Installation
Joshua Ulrich · Mar 21, 2011 · r-help

On Sun, Mar 20, 2011 at 2:42 PM, Bogaso Christofer <bogaso.christofer at gmail.com> wrote: > Dear all, can somebody guide me how to install the package RQuantLib, for > which windows binary is not available. I have tried installing...

the ZigZag function
Joshua Ulrich · Apr 25, 2012 · r-sig-finance

On Wed, Apr 25, 2012 at 6:45 AM, Gordon Erlebacher <gordon.erlebach at gmail.com> wrote: > Hi, > > I am using the ZigZag function (which is more elegant than the one I > wrote), and wish to only get the extrema...

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