Grokbase Groups R r-help January 2001
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163 discussions - 561 posts

  • Dear all I already posted this problem to r-help in mid-decembre; see http://www.r-project.org/nocvs/mail/r-help/2000/3876.html But, up to now it did not manage to get R properly working. I ...
    Diego KuonenDiego Kuonen
    Jan 9, 2001 at 5:55 pm
    Jan 11, 2001 at 9:55 am
  • Am I missing a configuration step? The value returned by date() and Sys.time() is five hours later than the system time. Furthermore, Sys.timezone() returns Eastern Daylight Time, whereas we are ...
    Setzer WoodrowSetzer Woodrow
    Jan 19, 2001 at 9:49 pm
    Jan 24, 2001 at 2:28 pm
  • There does not seem to be a RPM for Red Hat 7 of version 1.2.1. What should I do? I have a new computer with RH7. I'm willing to try to make one from the SRPM, but I've never done that before, and I ...
    Jonathan BaronJonathan Baron
    Jan 20, 2001 at 2:15 am
    Jan 24, 2001 at 10:01 am
  • hello R-friends, I'm looking for a quantile function for the noncentral f-distribution in the area of equivalence hypotheses testing. Can somebody help me? Many thanks ...
    Juergen HedderichJuergen Hedderich
    Jan 9, 2001 at 8:44 am
    Jan 11, 2001 at 4:24 am
  • gday R gurus, I have a multivariate regression for which I want to constrain the coefficients to be 0. Is this possible? I've check the doco and searched CRAN but can't find anything. thanks, John ...
    Strumila, JohnStrumila, John
    Jan 4, 2001 at 9:56 pm
    Mar 28, 2001 at 5:34 am
  • Is there a way to obtain the observed power of an aov()? I perform an aov with one between and one within factor, and would like to know the observed power of the tests, both for the main effect and ...
    Mark M. SpanMark M. Span
    Jan 26, 2001 at 2:14 pm
    Feb 8, 2001 at 5:43 pm
  • Hi, I have a big data file (over 30,000 records) looks like this: 100, 20, 46, 70 103, 0, 22, 45 117, -1, 34, 65 120, 15, 0, 25 113, 0, -1, 32 142, -1, -1, 55 ..... I want to read only those records ...
    Yu-Ling WuYu-Ling Wu
    Jan 11, 2001 at 6:19 pm
    Jan 12, 2001 at 6:40 pm
  • For some reason, update.packages(), one of the greatest features of R, doesn't work anymore (perhaps since I upgraded to 1.2.1?). It downloads the new packages, but when it tries to build them, I get ...
    S-LuppescuS-Luppescu
    Jan 24, 2001 at 6:02 pm
    Jan 25, 2001 at 1:10 pm
  • Hi, If I may suggest that something be done to the window drawing function of a plot. As it is now, we don't even have time to resize the window by a tiny bit before it's invoke and I think it would ...
    Yves GauvreauYves Gauvreau
    Jan 14, 2001 at 12:36 pm
    Jan 15, 2001 at 11:25 am
  • Hi all, I am considering writing a 3D visualisation package for R. Purposes: - Visualise 3 dimension data - Manipulate the data or series or any other object with the mouse as in any 3D software (3D ...
    E97249E97249
    Jan 6, 2001 at 1:47 pm
    Jan 6, 2001 at 7:47 pm
  • Hi, I wonder how one could implement the following idea in R if it's possible of course. Say you have an object, lets call it MyO. I would like MyO to provides both properties and methods, ...
    Yves GauvreauYves Gauvreau
    Jan 24, 2001 at 1:11 pm
    Jan 26, 2001 at 5:42 pm
  • I also would like to congratulate the editor and contributors on R-News. Perhaps this problem is unique to my own set-up (Redhat 6.2 I think), but I found that when I tried to read the .pdf file with ...
    Bill SimpsonBill Simpson
    Jan 25, 2001 at 9:51 am
    Jan 25, 2001 at 1:16 pm
  • Is there a possibility to display the log(frequency) instead of the frequency in the hist? -- Witold Eryk Wolski Max Plank Institut fuer Molekulare Genetik Ihnestr73 14195 Berlin Germany tel.: Work ...
    Witold Eryk WolskiWitold Eryk Wolski
    Jan 17, 2001 at 4:23 pm
    Jan 18, 2001 at 9:54 pm
  • A few of you have helpfully sent me references to WMF formats. There is also some code to _read_ it at http://www.csn.ul.ie/~caolan/docs/libwmf.html However, the issue is to _write_ WMF on R under ...
    Prof Brian RipleyProf Brian Ripley
    Jan 15, 2001 at 4:34 pm
    Jan 16, 2001 at 7:25 am
  • This practical problem in maximum likelihood estimation must be encountered quite a bit. What do you do when a data point has a probability that comes out in numerical evaluation to zero? In ...
    Bill SimpsonBill Simpson
    Jan 9, 2001 at 4:32 pm
    Jan 11, 2001 at 3:57 pm
  • Patrick Connolly refers to the read.table help manual page to show how to coerce input columns to character or to numeric. Indeed coercion with a logical vector will set the mode regardless of the ...
    Gordon HarringtonGordon Harrington
    Jan 31, 2001 at 9:11 am
    Feb 4, 2001 at 10:33 pm
  • I'm having a bit of trouble getting the 1.2.1 source to compile to a Windows binary. The base compiles with no problem, but when the make file gets to the point of having to compile the HTML files ...
    Marc FeldesmanMarc Feldesman
    Jan 19, 2001 at 10:40 pm
    Jan 21, 2001 at 3:17 pm
  • Hi, I keep running into this: R hist (f) Error in hist.default(f) : `x' must be numeric To which of course something like (simplified but not beyond repair): R hist.factor <- function (ff) { jj <- ...
    Thomas VogelsThomas Vogels
    Jan 12, 2001 at 7:15 pm
    Jan 16, 2001 at 9:46 am
  • Dear sirs, My name is Marcelo Grimaldi and i work for General Electric in the Six Sigma Program. Recently I became very interested in spectral analysis, because I think it can be applied to my job. I ...
    Castro, Marcelo T G (GEL, MSX)Castro, Marcelo T G (GEL, MSX)
    Jan 15, 2001 at 12:28 pm
    Jan 16, 2001 at 12:13 am
  • Again, CRAN and all of its mirrors are unreachable. My impression is this happens quite often. What is going on? -- Peter Kleiweg http://www.let.rug.nl/~kleiweg/ ...
    Peter KleiwegPeter Kleiweg
    Jan 12, 2001 at 12:42 pm
    Jan 14, 2001 at 3:36 am
  • Dear all, I am interested in reading Excel spreadsheets (*.xls) directly into R (I am using version 1.1.1 at the moment). I have not had much luck so far. For the time being, I have been converting ...
    Alistair MerrifieldAlistair Merrifield
    Jan 11, 2001 at 3:12 am
    Jan 11, 2001 at 11:54 am
  • As of a moment ago (9 a.m., Monday, Jan. 8, 2001), the S Programming book by Venables and Ripley was once again selling for 17.98 American dollars at Amazon.com. Alas, I notice that "Mixed Effects ...
    Bill OliverBill Oliver
    Jan 8, 2001 at 4:36 pm
    Jan 9, 2001 at 4:38 pm
  • Dear R'ers, I wonder about the reason for the following error message: Error in postscript(file = paste(getpath(file), getfname(file), as.character(num), : X11 fatal IO error: please save work and ...
    Marcus EgerMarcus Eger
    Jan 22, 2001 at 1:15 pm
    Jan 29, 2001 at 11:32 am
  • Hello: Although I could write a loop to do the following, I would like to avoid this as it would be expensive. Does anyone know if there is an R function that would make this faster? Given a 3 ...
    Michael RobertsMichael Roberts
    Jan 23, 2001 at 10:37 pm
    Jan 24, 2001 at 8:01 am
  • I have the following problem: I try to make the spectral decomposition for the following matrix by utilising the function eigen. 0.4015427 0.08903581 -0.2304132 0.08903581 1.60844812 0.9061157 ...
    Tapio NummiTapio Nummi
    Jan 22, 2001 at 3:33 pm
    Jan 22, 2001 at 6:40 pm
  • Dear list members, I'm experiencing difficulty in building a package in R 1.2.1 under Windows 2000, using, as far as I can tell, the same approach that I used successfully in R 1.2.0. More ...
    John FoxJohn Fox
    Jan 22, 2001 at 2:23 am
    Jan 22, 2001 at 1:13 pm
  • Dear help-list, because of my request, ESS was installed in our faculties' UNIX-net by our system administrator. At the moment, we have only R installed to be used with ESS, no other statistical ...
    Christian HennigChristian Hennig
    Jan 18, 2001 at 11:07 am
    Jan 18, 2001 at 10:31 pm
  • I am writing course notes in LaTeX. In the part where I am describing model-fitting functions in R I want to use a ~ character inline. If I am displaying an example of R code in its own environment I ...
    Douglas BatesDouglas Bates
    Jan 16, 2001 at 7:04 pm
    Jan 17, 2001 at 7:21 am
  • HI! By xx[order(xx)] I can sort the array ascendin. How to sort them descending. eg.: [1] 2 3 4 23 110 but i wont. [1] 110 23 4 3 2 ??? THX in advance Eryk -- Witold Eryk Wolski Max Plank Institut ...
    Witold Eryk WolskiWitold Eryk Wolski
    Jan 12, 2001 at 5:46 pm
    Jan 12, 2001 at 7:19 pm
  • Hi, I have some questions about Excel-to-R interface and I hope somebody can help me. Is it possible to call functions in a self-defined package from Excel using the Excel-to-R interface? We created ...
    Hengyi XueHengyi Xue
    Jan 8, 2001 at 10:21 pm
    Jan 9, 2001 at 2:35 pm
  • Hi R users, I have problem with very large matrix - sparse matrix. Is in R any possibility how effective use matrix with a lots of the same number (0 or some X)? I think every element of matrix in R ...
    Martin GotzMartin Gotz
    Jan 8, 2001 at 11:12 am
    Jan 8, 2001 at 8:28 pm
  • I have data on every grade in all elementary schools in Chicago over 5 years. I would like to estimate a trend over time for each grade in each school. There are 17,600 data all together (about 460 ...
    S-LuppescuS-Luppescu
    Jan 5, 2001 at 9:22 pm
    Jan 8, 2001 at 3:53 pm
  • Hello, I am using cygwin (latest version) and I managed to generate a dll partly with rcmd shlib although there was a problem with both the resouce file (I had to remove "FILEOS VOS__WINDOWS32") and ...
    Patrick WendelPatrick Wendel
    Jan 30, 2001 at 1:05 pm
    Feb 1, 2001 at 5:15 pm
  • since i did not contribute, i can do it: i really want to tell you that i think the new newsletter is great bot contentwise and "packaging"wise. that will be of great help to the community! Friedrich ...
    Erich NeuwirthErich Neuwirth
    Jan 24, 2001 at 5:41 pm
    Jan 25, 2001 at 9:59 am
  • (On Unix/Linux) Is it possible to set the --no-save command line option as an option in the .Rprofile file. I have looked in the sources and do not see any obvious (user initiated) ways of changing ...
    Michael M. MeyerMichael M. Meyer
    Jan 17, 2001 at 11:30 pm
    Jan 18, 2001 at 4:20 pm
  • Thanks in advance for any help I can get on this. I'm trying to change variable names between 2 systems - R and old SPSS, Oracle. I'm using the grep() and gsub() commands but I'm getting the ...
    Samir MishraSamir Mishra
    Jan 17, 2001 at 12:04 pm
    Jan 17, 2001 at 5:32 pm
  • Hello All: I am trying to generate a sequence of dates using library(chron). Using the following code, I got most of what I want, dts <- seq.dates("01/02/1998", "01/10/2001", by="day") dts <- ...
    Andrew CriswellAndrew Criswell
    Jan 11, 2001 at 6:07 pm
    Jan 12, 2001 at 6:38 pm
  • Dear Sir/Madam, Could you please inform me as to whether or not there are any R functions which can calculate the confidence limits for a non-linear regression curve? Thank you Richard Sayers ESDU ...
    Richard SayersRichard Sayers
    Jan 4, 2001 at 5:38 pm
    Jan 12, 2001 at 3:09 pm
  • Hello, Is there a fancy way I can use a function (like apply) to avoid a the follwoing loop, or otherwise make this more efficient? It fills a 3-d array, one matrix at a time. "nsize" is big, and ...
    Michael RobertsMichael Roberts
    Jan 29, 2001 at 5:46 pm
    Jan 30, 2001 at 8:57 am
  • Sorry my question was *not* about getting the html help pages on *my* computer with R installed but to indicate to (distant) colleagues (and anyone interested) a *web* online help describing the ...
    Charles RauxCharles Raux
    Jan 29, 2001 at 9:55 am
    Jan 29, 2001 at 3:14 pm
  • Hi, I read a dataset into R. It looks like this: x1 x2 x3 2 12 64 5 12 42 5 9 42 18 14 535 26 23 751 Now I want to append some values of zero to let it look like this: x1 x2 x3 2 12 64 5 12 42 5 9 42 ...
    Yu-Ling WuYu-Ling Wu
    Jan 26, 2001 at 5:54 pm
    Jan 26, 2001 at 8:02 pm
  • Having trouble with netCDF since I upgraded to 1.2.1 (did directly from 1.1.1). Package was recompiled after the upgrade. Symptoms: open.netCDF returns cleanly, but read.netCDF causes R to segfault ...
    Jason TurnerJason Turner
    Jan 24, 2001 at 11:04 pm
    Jan 24, 2001 at 11:14 pm
  • Hello to everyone I've downloaded the version sm2 for smoothing methods and when I try the simple code y <- rnorm(50) sm.density(y, model = "Normal") I get the error message Error in if (any(omit)) { ...
    Julio GómezJulio Gómez
    Jan 24, 2001 at 5:18 pm
    Jan 24, 2001 at 6:31 pm
  • With R1.2.1 and R1.2.0 (but not 1.1.x) under Win98 I have the following problem with the Tk demos ***IFF the Windows taskbar is set to "autohide" ***: Tk interactive window opens. Move mouse into Tk ...
    Peter denisevichPeter denisevich
    Jan 22, 2001 at 7:13 pm
    Jan 22, 2001 at 10:07 pm
  • Hello All: Amazon is now at this very moment selling "S Programming" at $59.95 with 2-3 days delivery. Some one among us ought to exploit R to develop a forecasting model to predict when next Amazon ...
    Andrew CriswellAndrew Criswell
    Jan 20, 2001 at 6:21 pm
    Jan 21, 2001 at 12:05 am
  • Hi, I'm a new R's user. I am using "faq" and "An Introdution to R" to learn. My main problem for start the learning is: how to save my result in a output file? I has used the sink CMD or $ R [output ...
    Ronaldo Reis Jr.Ronaldo Reis Jr.
    Jan 17, 2001 at 9:45 pm
    Jan 20, 2001 at 4:32 pm
  • Hi All, Is the Levenberg-Marquardt algorithm available in R. This method combines the steepest descent algorithm and Newton's method. Thanks in Advance, Dermot MacSweeney ...
    Dermot MacSweeneyDermot MacSweeney
    Jan 10, 2001 at 2:38 pm
    Jan 12, 2001 at 4:57 am
  • Hi, I tried running Rcmd.exe to no avail. It doesn't even start because it tries to read some memory address that NT says it can't and terminate. I tried downloading and reinstalling rw1020sp.zip ...
    Yves GauvreauYves Gauvreau
    Jan 10, 2001 at 2:21 pm
    Jan 10, 2001 at 5:33 pm
  • I'm not sure if this problem is repeatable or particular to my machine. The following works fine - + channel <- odbcConnect(ora.info$channel, uid = ora.info$uid, + pwd = ora.info$pwd) + if(channel == ...
    Samir MishraSamir Mishra
    Jan 9, 2001 at 12:43 pm
    Jan 9, 2001 at 1:38 pm
  • Help! I have a very large data file with about 100 columns. Instead of loading all of the columns using read.table() (my PC won't be able to handle the resulting data frame), I'd like to read in one ...
    Samir MishraSamir Mishra
    Jan 7, 2001 at 6:02 pm
    Jan 7, 2001 at 11:00 pm
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164 users for January 2001

Prof Brian Ripley: 101 posts Peter Dalgaard BSA: 38 posts Yves Gauvreau: 24 posts Uwe Ligges: 18 posts Witold Eryk Wolski: 10 posts Peter Kleiweg: 9 posts Ben: 8 posts Diego Kuonen: 8 posts Jonathan Baron: 8 posts Martin Maechler: 8 posts Thomas Lumley: 8 posts Douglas Bates: 7 posts Martyn Plummer: 7 posts Setzer Woodrow: 7 posts S-Luppescu: 7 posts A.J. Rossini: 6 posts Andrew Criswell: 6 posts Bill Simpson: 6 posts Kurt Hornik: 6 posts Emmanuel Paradis: 5 posts
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