similar to: an extension to 'array'

My question has two parts. The first is with regard to the frame or environment in which generic functions are defined in packages. It seems as though they are defined (i.e. exist as objects) in frame 1, even when defined in a package. The following is a short example: setClass("track",representation(x="numeric",y="numeric")) plotTrack <- function(x,y,...)

Assignment to a list in a function does not behave as I would expect. The following function illustrates the point #---------------------------------------- temp _ function() { nf _ 2 ns _ 5 z _ vector("list",ns) x _ matrix(NA,nrow=ns,ncol=nf) for(j in 1:ns) { for(i in 1:nf) { x[,i] _ i+j*100 } z[[j]] _ x print(z[[j]]) } z }

I maintain the Irregular Time Series (its) package on CRAN. I am currently testing a release. Under 1.8.1 I am able to define a S4 generic 'start' as follows: if(!isGeneric("start")) {setGeneric("start", useAsDefault=start)} Under 1.9.0, Rcmd check generates an error, as 'start' is not recognised. If I use the NAMESPACE directive IMPORT, all is well:

I want to do a linear regression where the coefficients obey two linear constraints, and also are all non-negative. What is the best way to do this? Computational speed is a consideration as I must do it many times. When this question was asked previously on the list, quadprog was suggested - is this the best solution? (I may have missed something obvious in the documentation, but I have

I make quite a lot of use of irregular time-series, and had already spent a bit of time writing an 'its' class when the 'irts' class was released via the package 'tseries'. I have experimented with the 'irts' class, and have some practical issues with its use. In some applications of irregular time-series (in my case these are financial and econometric) there are

I will be taking over as maintainer of the its package from Giles Heywood. The code was originally written while he was working at Commerzbank. I have added the header below to the top of the R source file to indicate the changes in the copyrights for the code. The package was originally released under GPL2. I have no experience with copyright issues, and would appreciate it if someone who does

I have uploaded to CRAN a new package named 'its' (Irregular Time-Series). It implements irregular time-series as an S4 class, extending the matrix class, and records the time-stamp of each row in the matrix using POSIX. Print, plot, extraction, append, and related functionality are available. Feedback and suggestions are welcome. Giles Heywood

I have uploaded to CRAN a new package named 'its' (Irregular Time-Series). It implements irregular time-series as an S4 class, extending the matrix class, and records the time-stamp of each row in the matrix using POSIX. Print, plot, extraction, append, and related functionality are available. Feedback and suggestions are welcome. Giles Heywood

Does this help on our backtest reporting? Regards, Gordon Morrison Global Head of Quantitative Research > * + 44 20 7653 7642 > Mob: + 44 7867 801951 > fax: + 44 20 7645 7442 > * mailto:gordon.morrison at commerzbankib.com > web: http://www.cbksec.com/research/quant > * Commerzbank Securities > 60 Gracechurch Street > London EC3V 0HR, U.K. >

Hello everybody [R-2.12.1] I am having difficulty dealing with Oarray objects. I have a generic function, call it foo(), and I wish to define a method for Oarray objects. I do not have or want a method for regular arrays [actually, I want to coerce to an Oarray, and give a warning]. But setMethod() does not behave as desired, giving an error message when I try to define a method for Oarray

I am having difficulty using in 1.8.0 an object created under 1.7.1. The following is a 'minimal example' of the issue. First the part in 1.7.1: > require("methods") [1] TRUE > setClass("foo",representation("vector",label="character")) [1] "foo" > x <- new("foo",1:2,label=LETTERS[1:2]) >

I am having problems getting the unz() function to work as a connection to start reading a file... z <- unz("c:/temp/stoxx.zip", "close_tmi_components.txt", "r") readLines(z,2) yields the following problems: > z <- unz("c:/temp/stoxx.zip", "close_tmi_components.txt", "r") Error in unz("c:/temp/stoxx.zip",

Hi! I've tried to install several games in Wine; however, many of them can't even be installed. They should work pretty well according to the AppDB, so it has to be a problem with my computer... The problem comes up as soon as the program starts copying the files. The first few files are copied without any problems, however. OS: Ubuntu 8.10 Wine version: 1.1.13 (I upgraded after it

Hello! The game "Myst IV - Revelation" by Cyan Worlds / Ubisoft installed fine in earlier versions of wine (although it was and is not playable). Recently I tried again, and the setup crashed just before the copying of files would start. I was able to isolate the patch that caused the regression (with git bisect). Here is the commit message: >commit

Hi all, wondering if you can help me. Here is the problem I was running kubuntu jaunty a while back and finally managed to install DNS Standard 9 with wine. I don't think I did anything too special , just ran the installation disk, It worked Okay, it has to be said. It survived updates of wine, right up to 1.1.38, and an upgrade to kubuntu Karmic. However, I recently had a problem which

>From: =?ISO646-US?Q?Gunther_H=3Fning?= <gunther.hoening at ukmainz.de> >Date: 2006/09/18 Mon AM 06:26:25 CDT >To: 'Petr Pikal' <petr.pikal at precheza.cz> >Cc: r-help at stat.math.ethz.ch >Subject: Re: [R] Question on apply() with more information... I think you want something like below but it probably needs some fixing up because i don't recall the syntax

WINE 1.1.18 has a regression from WINE 1.1.14. Once again, GP4 no longer installs from CD... the console outputs the following ole error repeatedly: err:ole:xCall Failed to serialize param, hres 80040155 err:ole:deserialize_param Failed to read integer 4 byte err:ole:TMStubImpl_Invoke Failed to deserialize param State, hres 80004005 err:rpc:I_RpcReceive we got fault packet with status 0x80004005

I am still experiencing problems with seq.POSIXt() missing off the last day of the series: > seq(as.POSIXct("2004-03-25"),as.POSIXct("2004-03-31"),by="DSTdays") [1] "2004-03-25 GMT Standard Time" "2004-03-26 GMT Standard Time" "2004-03-27 GMT Standard Time" [4] "2004-03-28 GMT Standard Time" "2004-03-29 GMT Daylight

Hi InstallShield(setup.exe) seems to be hang up just after extracting files with fresh maked & installed wine 0.9.5 from source on fedora core 4. Could you tell me work around or hint ? I have to put the ole32.dll from MS WinXP original into drive_c/windows/system32 ? InstallShield output are as follows. I think Setup.exe extract files(OK) and folk co-process(iKernel.exe;OK), then try to

I get different results from match.call(), according to whether a function is dispatched via S3 or S4. Specifically, when I use S4 dispatch in the following example, the match.call() result is of length 1 less than I expect. I need to add an extra comma to get the same results as in the S3 method. --------example setClass("foo",representation("matrix"))