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1,265 results for “from:Ulrich”

Error in socketConnection ... all connections are in use
Joshua Ulrich · May 26, 2012 · r-sig-hpc

You would have to rebuild R after increasing NCONNECTIONS in src/main/connections.c. It would be probably be easier to simply close connections you're no longer using via stopCluster(), unless you really need >128 simultaneous connections. Best, -- Joshua...

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

Dear list, sorry for having bothering you. I found the problem. It was the a stupid error made by me. R could not recognise the variable as it is of course case sensitive for names. So I specified the wrong...

Models for Day Trading
Joshua Ulrich · Dec 1, 2010 · r-sig-finance

On Wed, Dec 1, 2010 at 3:23 PM, FX Going <fxongoing at hotmail.com> wrote: > > Newbie to R. Is there a model that I can use in R to estimate the best entry and exit point based on Mini...

parallel processing
Joshua Ulrich · Oct 26, 2015 · r-sig-finance

On Mon, Oct 26, 2015 at 1:20 PM, Gambulator Gambulator <gambulator at gmail.com> wrote: > I did quite a bit of googling. it is not clear to me if it works now on > Windows or not. it is pretty...

Frequency too high for ets?
Joshua Ulrich · Sep 22, 2008 · r-sig-finance

Look at the source: > x <- ts(rnorm(52*100),frequency=52) > debug(ets) > e <- ets(x) <snip> debug: m <- frequency(y) Browse[1]> debug: if (m > 24) stop("Frequency too high") Browse[1]> Error in ets(x) : Frequency too high...

R/Finance 2020 Conference
Joshua Ulrich · Mar 16, 2020 · r-sig-finance

Hi all, R/Finance 2020 is less than 3 months away (June 5-6) and it's impossible to predict how the global COVID-19 pandemic will continue to unfold. As you can imagine, this uncertainty makes it extremely difficult...

couldn't find function "nclass.fd"
Ulrich Leopold · Apr 9, 2002 · r-help

Dear list, I get the following message while computing truehist in R 1.4.1 on Redhat Linux 7.1: > truehist(lsk$Pox, nbins = "FD" , prob = TRUE, xlab = "Pox [mmol/kg]") Error in switch(casefold(nbins), scott = nclass.scott(data...

Problem using Quantmod and MySQL
Joshua Ulrich · Mar 30, 2015 · r-sig-finance

On Sun, Mar 29, 2015 at 5:37 PM, Joshua Ulrich <josh.m.ulrich at gmail.com> wrote: > On Sun, Mar 29, 2015 at 1:50 PM, Ueli Hofstetter > <uelihofstetter at gmail.com> wrote: >> I have some problems loading symbols...

help with rcorr in Hmisc
Ulrich Leopold · Sep 9, 2002 · r-help

Hi, I get the following error meassage: -------------------------------------------------- rcorr(lskPox0t30[c(22,3:7)], type=c("spearman")) Error in "[<-.data.frame"(*tmp*, is.na(x), value = 1e+30) : matrix subscripts not allowed in replacement -------------------------------------------------- But I do not know how to...

remove elements from matrix
Ulrich Staudinger · Sep 30, 2011 · r-help

Am 30.09.2011 11:30, schrieb Alaios: > Dear all, > I have a numeric vector that contains indices. > I also have two matrices of [1,m] dimension and of [m,n] dimension. > > I want for every indexto remove the current...

Finance & R
Joshua Ulrich · Dec 23, 2020 · r-help

Hi Ben, It's not very polite to call people's work "outdated", especially when given to you for free. Those packages have been around and stable for the better part of a decade, will remain stable, are actively maintained...

Getting Rcpp SEXP data in C++
Joshua Ulrich · Sep 13, 2011 · r-help

Worik, On Mon, Sep 12, 2011 at 10:54 PM, Worik R <worikr at gmail.com> wrote: > Friends > > I am looking at Rcpp and I am a bit stuck on a simple matter. > Rcpp questions will likely get more attention...

order.by requires an appropriate time-based object
Joshua Ulrich · Feb 26, 2017 · r-help

Please provide a minimal, reproducible example. It's really hard for someone to help you if you give them nearly 100 lines of code and no data. My guess is that data[,1] is character (or factor) and you need...

adjustOHLC discrepancy
Joshua Ulrich · Nov 12, 2012 · r-sig-finance

Hi Henry, I've incorporated your patch(es) into quantmod, revision 585 on R-Forge. Also, please note that R-SIG-Finance is a mailing list and Nabble does not include the context of the discussion in your replies, which...

Error in "blotter-package" example
Joshua Ulrich · Jan 25, 2011 · r-sig-finance

getPrice doesn't exist in quantmod until 0.3-14. Please update quantmod manually. I'll change the blotter DESCRIPTION file to reflect the dependency. -- Joshua Ulrich ?| ?FOSS Trading: www.fosstrading.com On Tue, Jan 25, 2011 at 3:21...

Lo catches slow
Joshua Ulrich · Mar 13, 2019 · r-sig-finance

On Tue, Mar 12, 2019 at 11:53 PM Ilya Kipnis <ilya.kipnis at gmail.com> wrote: > > Minimum reproducible example: > > require(quantmod) > require(TTR) > > getSymbols('SPY') > data <- cbind(OHLC(SPY), stoch(HLC(SPY))) > head(Lo(data)) > head(HLC(data)) > > Lo...

help with xts
Joshua Ulrich · May 18, 2014 · r-help

Using subset assignment with an array usually doesn't work well with xts/zoo objects. Your case wouldn't even work with a matrix because you have NA in your array. In this case, you can achieve the same result...

require help
Joshua Ulrich · Sep 22, 2017 · r-help

On Fri, Sep 22, 2017 at 7:28 AM, yadav neog <yadavneog at gmail.com> wrote: > thankx to everyone for your valuable suggestions. one query regarding the > GARCH model. > I have applied the GARCH model for the same data that...

tradesys not loading even after installing 32-bit system
Joshua Ulrich · Jul 12, 2010 · r-sig-finance

Please stop sending your general questions to the finance list. That is what R-help is for. And *please* read the posting guide. I'm guessing, given the error, that you have not installed the RUnit package... -- Joshua Ulrich FOSS...

help with monthlyReturn command
Joshua Ulrich · Jan 20, 2012 · r-sig-finance

On Fri, Jan 20, 2012 at 5:17 PM, benn fine <bennfine at gmail.com> wrote: > I am having trouble figuring out what the monthlyReturn command is doing. > > That is, consider SPY > > getSymbols("SPY") > > I then do monthlyReturn(SPY) > > 2011...

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