search for: hilipp

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2002 Jan 27
1
cran@ci.tuwien.ac.at is not responding?
Hi, I have submitted a package to CRAN in ftp://ftp.tuwien.ac.at/incoming/pastecs_1.0.tar.gz. The R extension manual advises to send a mail to cran at ci.tuwien.ac.at about it, but it fails. I have also tried WWWadmin at ci.tuwien.ac.at. Are these email adresses still valid? Best, Philippe Grosjean ...........]<(({?<...............<?}))><............................... ) ) ) ) ) __ __ ( ( ( ( ( |__) | _ ) ) ) ) ) | hilippe |__)rosjean ( ( ( ( ( Marine Biol. Lab., ULB, Belgium ) ) ) ) ) __ ( ( ( ( ( |...
2001 Oct 09
2
list of functions flagged with debug() or trace()
...trace(foo), respectively. This leads to a special treatment of the function 'foo' until one enter undebug(foo) or untrace(foo). I would like to know if there is a convenient way to know at any time which are the function flagged with debug() or trace() in a R session. Thank you, Cheers, Philippe Grosjean ...........]<(({?<...............<?}))><............................... ) ) ) ) ) __ __ ( ( ( ( ( |__) | _ ) ) ) ) ) | hilippe |__)rosjean ( ( ( ( ( Marine Biol. Lab., ULB, Belgium ) ) ) ) ) __ ( ( ( ( ( |\...
2001 Aug 08
3
"Transparent" background in graphics exported as metafiles
...could be a useful addition, because it is tricky to edit the metafile, ungroup de elements, select the background rectangle, delete it, regroup all the other elements and save the graph in a graphic pachage just to get transparent background on the graph... This could be simply bg=False. Thanks, Philippe Grosjean P.S.: I really appreciate the changes made to exported graphs in R to correct the bug in MS Word 2000 (some metafiles are not correctly displayed on screen in Word 2000 for Windows). It is amazing that the R-team find a workaround for this Micro$oft bug... and in the meanwhile, Micro$oft...
2001 Oct 18
1
AW: General Matrix Inverse
...D-49069 Osnabrueck Fax : +49(0) 541-969-2744 GERMANY **************************************************************************** ***** > -----Urspr?ngliche Nachricht----- > Von: Torsten Hothorn > Gesendet am: Thursday, October 18, 2001 9:52 AM > An: Philippe Grosjean > Cc: r-help at stat.math.ethz.ch > Betreff: RE: [R] General Matrix Inverse > > > > > I use solve(x) to find the inverse of a matrix (don't know what a > "general > > inverse" is). By the way, what is better: solve(x), qr.solve(x) or > gin...
2001 May 16
5
the R package - relation to R project?
I stumbled across this link and was wondering if this has any relation to the R project. http://www.fas.umontreal.ca/BIOL/Casgrain/en/labo/R/index.html -jennifer ----------------------------------- J. Steinbachs, Ph.D. Computational Biologist http://compbiology.org ----------------------------------- -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing
2001 Aug 27
4
plotting dendrograms from cluster analyses
Hi all, I have a bit of a newbie question here that I hope y'all can help with. I've run a cluster analysis using hclust on about 500 objects (using R1.3 under Win 2000). The problem is that the tips of the dendrogram are so close together on the plot that the labels overlap and are unreadable. I've used "cex" to reduce the label sizes but this isn't sufficient with so
2001 Sep 13
1
maintainer of strucchange unreachable?
...the mail address: zeileis at ci.tuwien.ac.at. I got the following error: ----- The following addresses had permanent fatal errors ----- <zeileis at ci.tuwien.ac.at> (reason: 550 5.7.1 <zeileis at ci.tuwien.ac.at>... Access denied) Can anyone tell me how to reach him? Thanks, Philippie Grosjean ...........]<(({?<...............<?}))><............................... ) ) ) ) ) __ __ ( ( ( ( ( |__) | _ ) ) ) ) ) | hilippe |__)rosjean ( ( ( ( ( Marine Biol. Lab., ULB, Belgium ) ) ) ) ) __ ( ( ( ( (...
2001 Nov 30
0
identify() problem for graphs copied in Word (yet another Word bug to avoid with R?!)
...the copied picture. Obviously, identify() prints the label anyway, in "invisible" font or so, in the graph, and this invisible font is not recognized as such by the weird Word import filter. Yes, I know: the first answer is: stop using Word... But is there any other suggestion? Best, Philippe Grosjean ...........]<(({?<...............<?}))><............................... ) ) ) ) ) __ __ ( ( ( ( ( |__) | _ ) ) ) ) ) | hilippe |__)rosjean ( ( ( ( ( Marine Biol. Lab., ULB, Belgium ) ) ) ) ) __ ( ( ( ( (...
2002 Apr 17
1
rbind() very slow
...rent data frames. I want to merge them in a single large data frame, so: All <- rbind(T1, T2, ...) The problem: it is VERY slow, and takes a lot of memory (> 500 Mb) on my Athlon XP1800+, 1.75 Go memory, Win 2000 Pro SP1, R 1.4.1. Any suggestion to improve speed, and/or memory use? Thanx, Philippe Grosjean ...........]<(({?<...............<?}))><............................... ) ) ) ) ) __ __ ( ( ( ( ( |__) | _ ) ) ) ) ) | hilippe |__)rosjean ( ( ( ( ( Marine Biol. Lab., ULB, Belgium ) ) ) ) ) __ ( ( ( ( ( |...
2001 Apr 29
1
Self-starting nls functions
...t, Asym, xmid, scal) ... <environment: 03476D20> attr(,"class") [1] "selfStart" What is this <environment: 03476D20> instruction? By using deriv() and then Selfstart(), I don't get this, although everything works fine without it. Thanks for help. Best Regards, Philippe Grosjean ...........]<(({?<...............<?}))><............................... ) ) ) ) ) __ __ ( ( ( ( ( |__) | _ ) ) ) ) ) | hilippe |__)rosjean ( ( ( ( ( Marine Biol. Lab., ULB, Belgium ) ) ) ) ) __ ( ( ( ( ( |\...
2001 Aug 07
1
multiple persp plots
...stalled an old version 2.0.3 of this library. In the help files, there is a mention about functions like persp.text, persp.points, persp.lines to add features in an existing persp plot... but I don't find them. Do these functions exist somewhere? Are they replaced by other functions? Thanks, Philippe Grosjean ...........]<(({?<...............<?}))><............................... ) ) ) ) ) __ __ ( ( ( ( ( |__) | _ ) ) ) ) ) | hilippe |__)rosjean ( ( ( ( ( Marine Biol. Lab., ULB, Belgium ) ) ) ) ) __ ( ( ( ( ( |...
2001 Oct 07
2
plot logist
Hi, I make a glm analysis with binomial errors and its OK. Now I need plot the ajusted logist line in my points. How do I make it? | * * * * -> I need plot an ajusted | * * line in this points. | * * | * | * * | * * |* * * * |_________________________ Exist an abline like function for ajust others formulas? Exist in R
2001 May 30
1
TR: Scripting capabilities for R
>>>>> "PG" == Philippe Grosjean <phgrosje at ulb.ac.be> writes: PG> I am interested by your list of students wishes, since I am PG> developing a GPL user interface for math/stat calculation PG> engines (among others: R and Splus, but also Octave, Scilab PG> and Mathematica,...). It wil...
2001 Sep 14
1
Supply linear constrain to optimizer
Dear R and S users, I've been working on fitting finite mixture of negative exponential distributions using maximum likelihood based on the example given in MASS. So far I had much success in fitting two components. The problem started when I tried to extend the procedure to fit three components. More specifically, likelihood = sum( ln(c1*exp(-x/lambda1)/lambda1 + c2*exp(-x/lambda2)/lambda2
2002 Mar 15
1
creating time series from existing data
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Is it possible to create a time series from existing data frame? One column of that frame contains dates (like "01/01/01") and the second one the values. The period is non-regular (it is not strictly daily nor working-days-daily). Thank you. lukas - -- Lukas Kubin lukas.kubin at permonik.com phone: 00420603836180 -----BEGIN PGP
2002 Apr 09
2
Restricted Least Squares
Hi, I need help regarding estimating a linear model where restrictions are imposed on the coefficients. An example is as follows: Y_{t+2}=a1Y_{t+1} + a2 Y_t + b x_t + e_t restriction a1+ a2 =1 Is there a function or a package that can estimate the coefficient of a model like this? I want to estimate the coefficients rather than test them. Thank you for your help Ahmad Abu Hammour --------------
2001 Jun 12
2
a problem with rep() ?
Colleagues ---------------------------------- System info: Version 1.2.3 (2001-04-26) on NT ESS v. 5.1.18 using emacs ver. 20.4 ---------------------------------- I am wondering if there is a problem with the function rep(). Both the commands using rep() below were expected to produce 8 twos, but only the second did. x <- rep(2,40*(1-0.8)) length(x) y <- rep(2,40*0.2) length(y)
2001 Nov 29
3
pause/get input
Hi, Is there a simple command to pause a script until the user hits return? Alternatively, is there a command which prompts the user for some input and assigns the input into a variable? dave +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |David Richmond It works on a | + Dept. of Sociology complex scientific + |Saint Mary's College
2001 Sep 05
2
Replacing NAs with interpolated values
Hi there, I've got this vector: -84 -87 -90 -90 -89 -86 NA NA NA NA NA NA NA NA NA NA NA NA -96 -99 -100 -99 -96 -92 -89 -87 -87 -88 -90 -92 -94 -95 -96 -97 -97 -97 -96 -95 Is there a function in R which replaces the NAs with "interpolated" values between -86 and -96? Thanks, Sven
2001 Sep 04
2
fastest way to multiply each column of a matrix by a single vlaue
Let A be a m by n matrix and b a length n vector. What is the fastest vectorized code for doing for(j in 1:n) A[, j] <- A[, j]/b[j] ? solution 1: t(t(A)/b) solution 2: B <- matrix( rep(b, m), byrow=T, nrow=m ) A/B anything else? I have a program that uses this kind of operation million of times and I appreciate your input. Thanks. Jason Liao ===== Jason G. Liao Department of