Re: [R] Running Internet Explorer from Withing R

2005-07-29 Thread Prof Brian Ripley
On Thu, 28 Jul 2005, Peter Dalgaard wrote: Walter R. Paczkowski [EMAIL PROTECTED] writes: Good morning, Is it possible to open an html file using IE but from within R? I wrote a small function to generate tables in html but I'd like to write another function to call IE and open the html

[R] R: non parametric regression/kernels

2005-07-29 Thread Clark Allan
hi all i have a another stats question. i would like to solve the following question: y(i)=a+b*x(i)+e(i) i.e. estimate a and b (they should be fixed) but i dont want to specify the standard density to the straight line. this can be done using kernel regression. the fitted line is however

Re: [R] R: non parametric regression/kernels

2005-07-29 Thread Vito Ricci
Hi Clark, see: ? loess http://finzi.psych.upenn.edu/R/library/stats/html/loess.html ? scatter.smooth http://finzi.psych.upenn.edu/R/library/stats/html/scatter.smooth.html Regards, Vito Clark Allan Allan at STATS.uct.ac.za wrote: hi all i have a another stats question. i would like to

[R] predictive classification groups functions

2005-07-29 Thread Leonardo Lami
Hi all, I have a little question about linear discriminant analysis in R. I have a dataframe with datas groupped by 4 cluster. I'd like to know if there is a command that give 4 predictive classification groups functions (one for every cluster group). Thanks of all Leonardo -- Leonardo Lami

Re: [R] Identify function with matplot

2005-07-29 Thread Uwe Ligges
Hari Iyer wrote: Hello Is there a way to use the identify function with matplot ? Not directly, but you can write a wrapper for the particular case as in: sines - outer(1:20, 1:4, function(x, y) sin(x / 20 * pi * y)) matplot(sines, pch = 1:4, type = o, col = rainbow(ncol(sines)))

Re: [R] NA handling with lm

2005-07-29 Thread Adaikalavan Ramasamy
Also have a look at this thread from last week https://stat.ethz.ch/pipermail/r-help/2005-July/074550.html Regards, Adai On Thu, 2005-07-28 at 18:59 +0200, Petr Pikal wrote: Hallo On 28 Jul 2005 at 18:44, Andreas Cordes wrote: Hi, I have a problem that is hopefully easily solvable,

Re: [R] matrix form

2005-07-29 Thread Adaikalavan Ramasamy
If you mean how to create a matrix like below, then you can code it as arm - 1:10 study - rep( 1:4, c(3,3,2,2) ) Num - c(2, 9, ...) df - cbind( arm, study, Num ) but this is really painful. If you have this information stored in Excel, save it as tab delimited or comma separated

Re: [R] Forcing coefficents in lm(), recursive residuals, etc.

2005-07-29 Thread Rick Ram
Hi all, Just to clarify, I know that the predict() function would the normal avenue for applying a model but the problem is that I need to calculate recursive residuals, and the recresid() function needs an object with class lm. Best, R. On 28/07/05, Rick Ram [EMAIL PROTECTED] wrote: Sorry guys,

[R] Binary outcome with non-absorbing outcome state

2005-07-29 Thread John Sorkin
I am trying to model data in which subjects are followed through time to determine if they fall, or do not fall. Some of the subjects fall once, some fall several times. Follow-up time varies from subject to subject. I know how to model time to the first fall (e.g. Cox Proportional Hazards,

[R] PLS component selection for GPLS question

2005-07-29 Thread Torsten Schindler
How to select the number of PLS components for GPLS for data sets with few samples? Concrete problem: My data set: 9 samples of class A and 37 of class B with 254 descriptors. In the paper: Classification Using Generalized Partial Least Squares, Beiying Ding, Robert Gentleman,

[R] R: graphics devices

2005-07-29 Thread Clark Allan
a simple question how does one produce plots on two different graphics devices? / allan__ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html

Re: [R] R: graphics devices

2005-07-29 Thread Sean O'Riordain
Alan, I'm not sure what you mean... perhaps plot(y~x) # to the screen pdf(myplot.pdf) plot(y~x) # write the plot to the file dev.off() # close the file dev.off() # close the graphics window s/ On 29/07/05, Clark Allan [EMAIL PROTECTED] wrote: a simple question how does one produce plots on

Re: [R] R: graphics devices

2005-07-29 Thread Clark Allan
one could use the par command to plot several plots on 1 graphics device. i would like to do the following: say plot(y~x) on one screen and then plot(q~w) on another screen so that one can see both of them together but not on the same graphics device. Sean O'Riordain wrote: Alan, I'm not

Re: [R] R: graphics devices

2005-07-29 Thread TEMPL Matthias
Eventually one way: With X11() you can open additional graphic devices. x - rnorm(100) y - x + runif(100) plot(x) X11() plot(x,y) Best, Matthias a simple question how does one produce plots on two different graphics devices? / allan __

Re: [R] R: graphics devices

2005-07-29 Thread Chuck Cleland
Is this on windows? If so, how about the following: windows() plot(y~x) windows() plot(q~x) For me, this creates two different plot _windows_ and you could tile them to see each side-by-side. But I'm not sure how that would be preferable to having the plots in the same window.

[R] Console not found

2005-07-29 Thread Manuel Schneider
I played around with memory limits in R 2.1.0 under XP in order to be able to work with large matrixes (3600x4100). Among several things I tried was to alter console settings and saving them. Since then, I can't restart Rgui. It says several times 'Console not found' with pieces of the text

Re: [R] R: graphics devices

2005-07-29 Thread Sean O'Riordain
actually X11() also works under windows! X11() plot(y~x) X11() plot(q~x) On 29/07/05, Chuck Cleland [EMAIL PROTECTED] wrote: Is this on windows? If so, how about the following: windows() plot(y~x) windows() plot(q~x) For me, this creates two different plot _windows_ and

Re: [R] R: graphics devices

2005-07-29 Thread Spyridoula Tsonaka
Hi Allan, in case of many plots in the same window you can try this: options(graphics.record=TRUE) plot(x) plot(x,y) with PgUp and PgDn you check both in the same window. I hope this helps. Roula = Spyridoula Tsonaka Doctoral Student Biostatistical Centre Catholic University

Re: [R] Console not found

2005-07-29 Thread Prof Brian Ripley
Sounds like you have corrupted your Rconsole file. Fire up rterm and try ?Rconsole and/or read the rw-FAQ to find the file that it is use. It is not removed by uninstalling, and you do need to remove it. (The console settings have nothing whatsoever to do with memory settings.) Your matrices

Re: [R] R: graphics devices

2005-07-29 Thread ronggui
That's interesting,how can I see the help document of graphics.record option? I use ?options ,but can not find anything about it. Hi Allan, in case of many plots in the same window you can try this: options(graphics.record=TRUE) plot(x) plot(x,y) with PgUp and PgDn you check both in the same

Re: [R] Binary outcome with non-absorbing outcome state

2005-07-29 Thread Frank E Harrell Jr
John Sorkin wrote: I am trying to model data in which subjects are followed through time to determine if they fall, or do not fall. Some of the subjects fall once, some fall several times. Follow-up time varies from subject to subject. I know how to model time to the first fall (e.g. Cox

Re: [R] Binary outcome with non-absorbing outcome state

2005-07-29 Thread Kjetil Brinchmann Halvorsen
John Sorkin wrote: I am trying to model data in which subjects are followed through time to determine if they fall, or do not fall. Some of the subjects fall once, some fall several times. Follow-up time varies from subject to subject. I know how to model time to the first fall (e.g. Cox

[R] Errbar()-function, cap and logarithmic scaling

2005-07-29 Thread Ute Visser
Hello! If I use the errbar-function and have a logarithmic scale on the x-axis, then the little horizontal bars at the end of the errbars (cap) disappear. What can I do? Thanks for helping! Ute __ R-help@stat.math.ethz.ch mailing list

Re: [R] Binary outcome with non-absorbing outcome state

2005-07-29 Thread Frank Funderburk
Singer Willett (2003) also cover this ground. Singer, JD Willett, JB (2003). Applied longitudinal data analysis: Modeling change and event occurrence. New Yok: Oxford University Press. -Original Message- From: Frank E Harrell Jr [EMAIL PROTECTED] Sent: Jul 29, 2005 9:25 AM To: John

Re: [R] Console not found

2005-07-29 Thread Duncan Murdoch
On 7/29/2005 8:01 AM, Manuel Schneider wrote: I played around with memory limits in R 2.1.0 under XP in order to be able to work with large matrixes (3600x4100). Among several things I tried was to alter console settings and saving them. Since then, I can't restart Rgui. It says several

Re: [R] R: graphics devices

2005-07-29 Thread Don MacQueen
I'd suggest starting with the documentation. See ?Devices and then look at some of the other functions referenced in the See Also section of ?Devices. Basically, you produce plots on two different graphics devices by this sequence: 1) open a graphics device 2) produce a plot 3)

Re: [R] R: graphics devices

2005-07-29 Thread Prof Brian Ripley
This is for Windows only, and documented in ?windows README.rw2011 (or whatever) It's more usual to switch recording on when you need it, either in the windows() call or from a menu. ?options only tells you about the standard options, not those used on specific platforms or by packages (and

Re: [R] Binary outcome with non-absorbing outcome state

2005-07-29 Thread Dieter Menne
John Sorkin jsorkin at grecc.umaryland.edu writes: I am trying to model data in which subjects are followed through time to determine if they fall, or do not fall. Some of the subjects fall once, some fall several times. Follow-up time varies from subject to subject. Chapter 4.3 in

[R] Error Downloading Matrix Package

2005-07-29 Thread Doran, Harold
I'm trying to update my Matrix package given the update last night. But the following error is generated. I've tried restarting R and deleting my old Matrix package. Can anyone suggest how this might be resolved? install.packages('Matrix') trying URL

Re: [R] Error Downloading Matrix Package

2005-07-29 Thread Uwe Ligges
Doran, Harold wrote: I'm trying to update my Matrix package given the update last night. But the following error is generated. I've tried restarting R and deleting my old Matrix package. Can anyone suggest how this might be resolved? Do you have write permission on the library into which you

Re: [R] Error Downloading Matrix Package

2005-07-29 Thread Prof Brian Ripley
Possible answers: 1) You do not have permission to remove the package from its previous location. 2) Windows mistakenly thinks that some file in the package is still open. Try deleting the directory from Windows Explorer. If 2) you may have to log out or reboot Windows before you can do so.

Re: [R] Error Downloading Matrix Package

2005-07-29 Thread Doran, Harold
After restarting Windows Matrix was properly updated. Not quite sure where the error was, but it is certainly local. -Original Message- From: Prof Brian Ripley [mailto:[EMAIL PROTECTED] Sent: Friday, July 29, 2005 11:58 AM To: Doran, Harold Cc: r-help@stat.math.ethz.ch; [EMAIL

Re: [R] replace matrix values with names from a dataframe

2005-07-29 Thread Spencer Graves
Does the following help: set.seed(1) Lvls - factor(letters[1:4]) A - array(sample(4, 6, replace=TRUE), dim=c(2,3)) A[] - levels(Lvls)[A] A [,1] [,2] [,3] [1,] b c a [2,] b d d If not, PLEASE do read the posting guide!

Re: [R] Error Downloading Matrix Package

2005-07-29 Thread Spencer Graves
I've gotten that error message when trying to update a package I had attached. oops. (like do-it-yourself lobotomy.) Then I had to install.packages, because much of it got deleted and it wouldn't work any more. spencer graves Prof Brian Ripley wrote: Possible

Re: [R] Binary outcome with non-absorbing outcome state

2005-07-29 Thread Thomas Lumley
On Fri, 29 Jul 2005, John Sorkin wrote: I am trying to model data in which subjects are followed through time to determine if they fall, or do not fall. Some of the subjects fall once, some fall several times. Follow-up time varies from subject to subject. I know how to model time to the

Re: [R] Binary outcome with non-absorbing outcome state

2005-07-29 Thread Thomas Lumley
On Fri, 29 Jul 2005, Dieter Menne wrote: John Sorkin jsorkin at grecc.umaryland.edu writes: I am trying to model data in which subjects are followed through time to determine if they fall, or do not fall. Some of the subjects fall once, some fall several times. Follow-up time varies from

Re: [R] Error Downloading Matrix Package

2005-07-29 Thread Prof Brian Ripley
You should have got a different error message, namely package some_pkg is in use and will not be installed and that is what I got when I tried it. On Fri, 29 Jul 2005, Spencer Graves wrote: I've gotten that error message when trying to update a package I had attached.

[R] about usage of weights in nnet

2005-07-29 Thread Baoqiang Cao
Hi There, I got some results from using nnet on a two-class problem, and I'd like to hear your comments to understand well about the algorithm. In the training set, the ratio of class 1 to class 2 is about 23:77. I did a 5-fold cross validation. The networks were trained twice, one with

Re: [R] R: graphics devices

2005-07-29 Thread Berton Gunter
I put the options() call into my Rprofile.site code (there are other ways to do this, too) so that it's automatic at startup. ?Startup documents other ways you can do this. I've never run into problems having recording always on, but maybe there are some I'm unaware of. -- Bert Gunter Genentech

[R] Way to make R idle for some time and try something again later

2005-07-29 Thread Tae-Hoon Chung
Hi, All; I have a question. In R, what is the best way to make R idle for a while and try something again later? For example, suppose there is an R job which accesses a file that may be shared with other active jobs. So when the file is being accessed by other job, your job will not be able to

Re: [R] Way to make R idle for some time and try something again later

2005-07-29 Thread Duncan Murdoch
On 7/29/2005 3:13 PM, Tae-Hoon Chung wrote: Hi, All; I have a question. In R, what is the best way to make R idle for a while and try something again later? For example, suppose there is an R job which accesses a file that may be shared with other active jobs. So when the file is being

Re: [R] Way to make R idle for some time and try something again later

2005-07-29 Thread Adaikalavan Ramasamy
Which operating system are you using ? See help(Sys.sleep), which might be what you want but there may be other ways in determining if a file is being accessed by another program. Regards, Adai On Fri, 2005-07-29 at 12:13 -0700, Tae-Hoon Chung wrote: Hi, All; I have a question. In R, what

Re: [R] Way to make R idle for some time and try something again later

2005-07-29 Thread Berton Gunter
Dear Tae-Hoon: 1. RSiteSearch('wait') will tell you that Sys.sleep() is what you want. Although this list is terrific, R's built-in help/search tools should always be tried first (they're faster when you hit the right search term). 2. The other part of the puzzle is ?try -- Bert Gunter

Re: [R] Way to make R idle for some time and try something again later

2005-07-29 Thread Don MacQueen
I done something very similar -- have R watch a file, and whenever new data is added to the file, read the new data from the file. In my case, new data was arriving once per minute, so I needed to have R wait about a minute before looking for new data. On my unix-based system, I found that if

Re: [R] Way to make R idle for some time and try something again later

2005-07-29 Thread Duncan Murdoch
Don MacQueen wrote: I done something very similar -- have R watch a file, and whenever new data is added to the file, read the new data from the file. In my case, new data was arriving once per minute, so I needed to have R wait about a minute before looking for new data. On my

Re: [R] Don't understand plotmath behaviour (bug?)

2005-07-29 Thread Gabor Grothendieck
Numbers, not in characters strings do not come out bold: plot(1:5, type = n) text(x=3,y=3, quote(bold(paste(a==a ~~ 0.5 == 0.5 On 7/25/05, Wladimir Eremeev [EMAIL PROTECTED] wrote: Dear Thomas, TL In case 1 you have the string 0.5, in case 2 you have the number 0.5. TLtext(x=2,y=2,

Re: [R] Way to make R idle for some time and try something again later

2005-07-29 Thread Prof Brian Ripley
This depends on what else is going on. My guess is that you are running the Aqua GUI, and it is servicing the GUI which is taking the time, not R itself. On all of Linux, Solaris and Windows (RGui or Rterm) Sys.sleep() does use very close to zero resources at the beginning of a session, but