search for: jori

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2007 Jan 14
3
changes in the structure of mer objects?
...x86_64-unknown-linux-gnu arch x86_64 os linux-gnu system x86_64, linux-gnu status major 2 minor 4.1 year 2006 month 12 day 18 svn rev 40228 language R version.string R version 2.4.1 (2006-12-18) Thanks Joris De Wolf Phone: +32 9 2429155, E-Mail: joris.dewolf at cropdesign.com Postal Address: CropDesign N.V. Technologiepark 3, 9052 Gent Belgium
2010 Dec 21
2
Warning message when items of Hmisc are masked by loading a package.
...Hmisc. The warning message says : Warning message: In identical(get(., i), get(., lib.pos)) : ignoring non-pairlist attributes This happens with eg: library(plyr) library(xtable) I think I've seen this passing by before, but I'm not sure any more. Just thought I'd mention it. Cheers Joris > R.Version() $platform [1] "i386-pc-mingw32" $arch [1] "i386" $os [1] "mingw32" $system [1] "i386, mingw32" $status [1] "" $major [1] "2" $minor [1] "12.1" $year [1] "2010" $month [1] "12" $day...
2007 Nov 29
4
Xen and Linux on Intel G33 needs kernel 2.6.19+
...ion is: * What version of Xen to install to get going? Should I choose unstable? * What distribution will be the easiest to get started? (I got a custom Debian Etch with 2.6.23 kernel working). The system will be a server, so I care about stability and reliability. Does anyone have good advise? - Joris _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
2018 Jan 31
3
Best practices in developing package: From a single file
On 31/01/2018 6:33 AM, Joris Meys wrote: > 3. given your criticism, I'd like your opinion on where I can improve > the documentation of https://github.com/CenterForStatistics-UGent/pim. > I'm currently busy updating the help files for a next release on CRAN, > so your input is more than welcome. After...
2017 Mar 28
2
`[` not recognized as a primitive in certain cases.
...; > The `[` would _not_ be evaluated, quote() would return the symbol, and > the symbol would end up in the call. > > The two forms have virtually identical behavior as long as the call > ends up getting evaluated in the same environment. > > On Tue, Mar 28, 2017 at 3:03 AM, Joris Meys <jorismeys at gmail.com> wrote: >> Dear, >> >> I have noticed this problem while looking at the following question on >> Stackoverflow : >> >> http://stackoverflow.com/questions/42894213/s4-class-subset-inheritance-with-additional-arguments >>...
2016 Sep 06
2
The use of match.fun
...ts things going wrong. I've tried to find an example where this went wrong, but couldn't find one. Any pointer to what happened here is greatly appreciated. I've checked the NEWS, but I'm not smart enough to find the relevant bits and piece it together. Thank you in advance Cheers Joris -- Joris Meys Statistical consultant Ghent University Faculty of Bioscience Engineering Department of Mathematical Modelling, Statistics and Bio-Informatics tel : +32 (0)9 264 61 79 Joris.Meys at Ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.p...
2014 Oct 03
2
How I() works in a formula
...source code of R for a couple of days now trying to locate where this class assignment gets translated into a specific action, but i couldn't locate it. I've been as far as the internal C function modelframe. Any pointers on how I() is processed internally are greatly appreciated. Cheers Joris -- Joris Meys Statistical consultant Ghent University Faculty of Bioscience Engineering Department of Mathematical Modelling, Statistics and Bio-Informatics tel : +32 9 264 59 87 Joris.Meys at Ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php...
2015 Apr 01
4
evaluation in transform versus within
On 01/04/2015 1:35 PM, Gabriel Becker wrote: > Joris, > > > The second argument to evalq is envir, so that line says, roughly, "call > environment() to generate me a new environment within the environment > defined by data". I think that's not quite right. environment() returns the current environment, it doesn't...
2010 Jun 18
3
Non-procedural access to columns of a matrix
Hi, I would like to have an index for a column in a matrix encoded in a cell of the same matrix. For example: x = matrix(c(11,12,13,1, 21,22,23,3, 31,32,33,2),byrow=T,ncol=4) In this case, column 4 is the index. I then access the column specified in the index by: > for (i in 1:3) print(x[i,x[i,4]]) [1] 11 [1] 23 [1] 32 > > for (i in 1:3) {x[i,x[i,4]] <- x[i,x[i,4]] + 5} > x
2015 Apr 01
1
evaluation in transform versus within
On 01/04/2015 2:33 PM, Joris Meys wrote: > Thank you for the insights. I understood as much from the code, but I > can't really see how this can cause a problem when using with() or > within() within a package or a function. The environments behave like > I would expect, as does the evaluation of the argume...
2014 Apr 19
1
lag() not returning a time series object
...l adjustment : function (x, k = 1, ...) { if (k != round(k)) { k <- round(k) warning("'k' is not an integer") } x <- hasTsp(x) p <- tsp(x) tsp(x) <- p - (k/p[3L]) * c(1, 1, 0) as.ts(x) # adjusted, was simply x before } Cheers Joris -- Joris Meys Statistical consultant Ghent University Faculty of Bioscience Engineering Department of Mathematical Modelling, Statistics and Bio-Informatics tel : +32 9 264 59 87 Joris.Meys@Ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php [[a...
2010 Mar 30
2
weighted.median function from package R.basic
...at could do this using an internal sorting algorithm qsort. This speeded things up quite a bit. Alas, I can't find that package anywhere anymore. There is a weighted.median function in the package limma too, but I didn't use that before. Anybody who knows what happened to R.basic? Cheers Joris -- Joris Meys Statistical Consultant Ghent University Faculty of Bioscience Engineering Department of Applied mathematics, biometrics and process control Coupure Links 653 B-9000 Gent tel : +32 9 264 59 87 Joris.Meys@Ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent....
2018 Jan 31
3
Best practices in developing package: From a single file
Dear All: stepping in late, but @Joris, if you would like to take 'from a single file' literally, have a look at: https://github.com/bpfaff/lp4rp (lp4rp: literate programming for R packages); Cheers, Bernhard ps: incidentally, within the noweb-file roxygen is employed. -----Urspr?ngliche Nachricht----- Von: R-devel [mai...
2010 Jun 24
2
count data with a specific range
I would like to prepare the data for barplot. But I only have the data frame now. x1=rnorm(10,mean=2) x2=rnorm(20,mean=-1) x3=rnorm(15,mean=3) data=data.frame(x1,x2,x3) If there a way to put data within a specific range? The expected result is as follows: range x1 x2 x3 -10-0 2 5 1 (# points in this
2010 Jun 08
2
Please help me
Dear Mr. or Ms.,   I used the R-software to run the zero-inflatoin negative binomial model (zeroinfl()) .   Firstly, I introduced one dummy variable to the model as an independent variable, and I got the estimators of parameters. But the results are not satisfied to me. So I introduced three dummy variables to the model. but I could not get the results. And the error message is
2010 Jul 28
1
strange error : isS4(x) in gamm function (mgcv package). Variable in data-frame not recognized???
....1 60.7 ... $ TT : num -23.4 -23.6 -19.5 -16.1 -15.3 ... $ PP : num 6.17 4.27 -4.93 -9.23 -2.63 ... $ RF : Ord.factor w/ 3 levels "None"<"<2.5mm"<..: 1 1 1 1 1 1 1 1 1 1 ... - attr(*, "means")= num Any idea what I'm missing here? Cheers Joris -- Joris Meys Statistical consultant Ghent University Faculty of Bioscience Engineering Department of Applied mathematics, biometrics and process control tel : +32 9 264 59 87 Joris.Meys at Ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.php
2017 May 18
2
[R] R-3.4.0 fails test
> On 18 May 2017, at 13:47 , Joris Meys <jorismeys at gmail.com> wrote: > > Correction: Also dlt uses the default timezone, but POSIXlt is not recalculated whereas POSIXct is. Reason for that is the different way values are stored (hours, minutes, seconds as opposed to minutes from origin, as explained in my previous m...
2019 Oct 11
2
New matrix function
I think you are confusing package and function here. Plus some of the R Core packages, that you mention, contain functions that should probably be replaced by functions with better implementation from packages on CRAN. Best regards Morgan On Fri, 11 Oct 2019 15:22 Joris Meys, <jorismeys at gmail.com> wrote: > > > On Fri, Oct 11, 2019 at 3:55 PM Morgan Morgan <morgan.emailbox at gmail.com> > wrote: > >> How do you prove usefulness of a feature? >> Do you have an example of a feature that has been added after proving to >&...
2017 May 31
4
stats::line() does not produce correct Tukey line when n mod 6 is 2 or 3
...e size of your left and right group, and now we can discuss about which median type should be used for the robust fitting. But I can honestly not understand why anyone in his right mind would defend a method that is clearly wrong while not working at Microsoft's spreadsheet department. Cheers Joris On Wed, May 31, 2017 at 4:03 PM, Serguei Sokol <sokol at insa-toulouse.fr> wrote: > Le 31/05/2017 ? 15:40, Joris Meys a ?crit : > >> OTOH, >> >> > sapply(1:9, function(i){ >> + sum(dfr$time <= quantile(dfr$time, 1./3., type = i)) >> + }) >>...
2017 May 23
2
help pages base R not rendered correctly?
...appens on ?svd. According to the manual Writing R Extensions, this should still be recognized. When I try to use it in the help pages of my own packages, \bold{} is interpreted correctly. No idea what is going wrong and it's not that important, but I found it curious enough to report. Cheers Joris -- Joris Meys Statistical consultant Ghent University Faculty of Bioscience Engineering Department of Mathematical Modelling, Statistics and Bio-Informatics tel : +32 (0)9 264 61 79 Joris.Meys at Ugent.be ------------------------------- Disclaimer : http://helpdesk.ugent.be/e-maildisclaimer.p...