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486 discussions - 1,507 posts

  • Dear all, While running a function I��m getting only the final output of the function. Bit if I like to store or recover some values that are intermediate in the function calculations which command I ...
    Shanmuha boopathyShanmuha boopathy
    Dec 6, 2005 at 9:50 am
    Dec 8, 2005 at 9:56 am
  • Hello to all users and wizards. I am regulary using 'boxplot' function or its analogue - 'bwplot' from the 'lattice' library. But they are, as far as I understand, totally flawed in functionality ...
    Evgeniy KachalinEvgeniy Kachalin
    Dec 1, 2005 at 4:04 pm
    Dec 2, 2005 at 10:01 am
  • It would be nice to have a date stamp on an object. In S/Splus this was always available, because objects were files. I have looked around, but I presume this information is not available ...
    Trevor HastieTrevor Hastie
    Dec 13, 2005 at 8:51 pm
    Dec 14, 2005 at 8:41 pm
  • Dear List: When I click on the link to download a reference manual for a package on cran, I get an error message that the file is damaged and could not be repaired. I randomly chose various packages ...
    Doran, HaroldDoran, Harold
    Dec 5, 2005 at 3:04 pm
    Dec 5, 2005 at 10:37 pm
  • I am confused by the following description in http://www.maths.lth.se/help/R/.R/library/systemfit/html/hausman.systemfit.html what does the "Not run" mean? if we do not load systemfit, how can we run ...
    August BergAugust Berg
    Dec 2, 2005 at 1:50 am
    Dec 2, 2005 at 11:58 am
  • Dear R-users, Half a year ago we put out the R package "glmmADMB" for fitting overdispersed count data. http://otter-rsch.com/admbre/examples/glmmadmb/glmmADMB.html Several people who used this ...
    Hans Julius SkaugHans Julius Skaug
    Dec 14, 2005 at 8:32 am
    Dec 20, 2005 at 4:49 pm
  • Hi, I am a R begginer and I have a small problem with time series. I was wondering if someone could help me I am collecting data from packets going through a network, and using R for obtaining some ...
    Alvaro SaurinAlvaro Saurin
    Dec 12, 2005 at 2:52 pm
    Dec 15, 2005 at 6:33 pm
  • What is a simple way to convert a factor into a matrix of dummy variables? fm<-lm(y~f) where f is a factor takes care of this in the estimation. I'd like to save the result of expanding f into a ...
    Charles H. FranklinCharles H. Franklin
    Dec 6, 2005 at 8:02 pm
    Dec 7, 2005 at 1:47 am
  • Dear All, Apologies for this simple question and thanks in advance for any help given. Suppose I wanted to plot 1 million observations and produce the command plot(rnorm(1000000)) The labels of the ...
    R C GILLR C GILL
    Dec 28, 2005 at 8:15 pm
    Dec 31, 2005 at 12:50 pm
  • Hi, Still fresh in R, tried to figure this out, now on my second day running with no luck (and a pile of hair on my desk) so I have thrown in the towel and would like to ask for some help. Here is ...
    Ronnie BabigumiraRonnie Babigumira
    Dec 22, 2005 at 11:46 am
    Dec 24, 2005 at 3:12 am
  • Hi, I have done a search on this in vain. How can I add a note to the foot of a graph example below Many thanks Ronnie
    Ronnie BabigumiraRonnie Babigumira
    Dec 26, 2005 at 3:41 pm
    Dec 27, 2005 at 12:44 pm
  • Hi all, I'm trying to superimpose a rchisq density line over a histogram with something like: hist(alnlength) lines(density(rchisq(length(alnlength), 4)),col="red") But the rchisq line won't appear ...
    Albert VilellaAlbert Vilella
    Dec 13, 2005 at 1:23 pm
    Dec 14, 2005 at 12:02 pm
  • Hi, Given a frame with calendar date's: "2005-07-01", "2005-07-02","2005-07-03","2005-07-04","2005-07-05",etc. I want to extract the following from these dates: week number month number year number ...
    Richard van WingerdenRichard van Wingerden
    Dec 12, 2005 at 12:06 pm
    Dec 12, 2005 at 3:15 pm
  • Dear useRs! I would like to generate a list of all possible (unique) partitions of N units into k classes. For example, all possible partitions of 4 units into 2 classes are (I hope I have not missed ...
    Ales ZibernaAles Ziberna
    Dec 8, 2005 at 2:45 pm
    Dec 9, 2005 at 12:49 pm
  • Hello, I'm a new user... I have a function : calculate <- function(x,y) { z <- x + y } I would like to use the result (z) with another function : recalculate <- function(...) { a <- z^2 } But R says ...
    David HajageDavid Hajage
    Dec 6, 2005 at 5:14 pm
    Dec 7, 2005 at 8:06 am
  • I have very large csv files (up to 1GB each of ASCII text). I'd like to be able to read them directly in to R. The problem I am having is with the variable length of the data in each record. Here's a ...
    John McHenryJohn McHenry
    Dec 6, 2005 at 2:04 pm
    Dec 6, 2005 at 10:51 pm
  • Hi, I have written a user defined function that carries out a monte carlo simulation and outputs various stats. I would like to access and store the simulation data (a two column local variable) from ...
    Andrew CoxAndrew Cox
    Dec 20, 2005 at 7:39 am
    May 17, 2006 at 7:11 pm
  • Hello, I am looking for a way to obtain standard errors for emprirical Bayes estimates of a model fitted with lmer (like the ones plotted on page 14 of the document available at ...
    Ulrich KellerUlrich Keller
    Dec 22, 2005 at 2:11 pm
    Mar 2, 2006 at 10:25 am
  • Hi, this is not a new doubt, but is a doubt that I cant find a good response. Look this output: numDF denDF F-value p-value (Intercept) 1 860 210.2457 <.0001 Xvar 1 2 1.2352 0.3821 Linear ...
    Ronaldo Reis-Jr.Ronaldo Reis-Jr.
    Dec 26, 2005 at 11:49 am
    Jan 1, 2006 at 6:23 am
  • Hi, I'm a new hand in R language. I have about 20 groups of data[x,y] and want to plot them on a graph. To do this, I write a for-loop as following: (some codes are omitted for simplicity) for (i in ...
    Vincent DengVincent Deng
    Dec 27, 2005 at 7:47 am
    Dec 29, 2005 at 8:12 pm
  • hi R-users, a few days ago R 2.2.1 came out. on my win xp i'installed R 2.2.0. along the time i've installed a lot of contributed packages. my internet-connection is not very fast. so my question: is ...
    Helmut KudrnovskyHelmut Kudrnovsky
    Dec 23, 2005 at 2:43 pm
    Dec 23, 2005 at 7:31 pm
  • Hi I have problems installing R 2.1.1. from rpm (R-base-2.2.0-1.i586.rpm) on SuSE 10. It installs fine, all dependances are OK (at least Yast does not complain) but when I try to run R, it gives the ...
    Rainer M KrugRainer M Krug
    Dec 20, 2005 at 8:29 am
    Dec 20, 2005 at 11:14 am
  • Hi, I read about the by() function, but it does not seem to do the job I need. Here is the problem: Say - I have a data frame, with three columns. The first one contains strings that describe the ...
    January WeinerJanuary Weiner
    Dec 14, 2005 at 4:09 pm
    Dec 16, 2005 at 7:11 pm
  • I've run into a problem with dir.create on R2.2.0 Windows XP 2002 SP 2. setwd("d:/") print(dir.create("d:\\otis-sim\\rdata", recursive=T)) print(dir.create("d:\\otis-sim\\", recursive=T)) Both return ...
    Hadley wickhamHadley wickham
    Dec 14, 2005 at 4:09 pm
    Dec 14, 2005 at 10:52 pm
  • Hi R user! What is the fastest way to export a large matrix or vector to a MySQL database? The use of data.frame() and dbWriteTable() makes the process slow, so is there any <direct alternative? ...
    Meinhard PlonerMeinhard Ploner
    Dec 12, 2005 at 1:33 pm
    Dec 13, 2005 at 9:34 am
  • Hello, I have a problem about using the command "plot". Suppose I have some points, and one of them is (0,0), how can I show the figure with this point which is at the corner? Thanks for your kind ...
    Apple HoApple Ho
    Dec 7, 2005 at 6:48 am
    Dec 9, 2005 at 12:34 pm
  • hello, is R able to suppress tick labels (not tick marks)? i know there is a way around this with axes=F and then draw new axes, but it would be easier to suppress them in the first place. -- ...
    Sebastian LeuzingerSebastian Leuzinger
    Dec 1, 2005 at 3:58 pm
    Dec 1, 2005 at 6:40 pm
  • Hi all, It it posssible to show graph which is integrated to some GUI (e.g. TclTk or R-wxPython). I want to make an application by R, for example, like the following picture ...
    Chihiro KurayaChihiro Kuraya
    Dec 25, 2005 at 4:53 am
    Dec 29, 2005 at 7:30 pm
  • Is there any R function that computes the convolution of the double exponential distribution? If not, is there a good way to integrate ((q+x)^n)*exp(-2x) over x from 0 to Inf for any value of q and ...
    Bickel, DavidBickel, David
    Dec 23, 2005 at 12:56 am
    Dec 28, 2005 at 9:01 am
  • Hello, I have a problem that I am trying to solve and I am not sure how to do it in R. Suppose, that 16 numbers are choosen at random from 0 to 9, what's the probability that their average will be ...
    Davia CoxDavia Cox
    Dec 13, 2005 at 11:20 am
    Dec 13, 2005 at 4:47 pm
  • I am using R in Windows. I see that I will have to use batch processes with R. I will have to read and write text files, and run some R code; probably some external code too. I have never done ...
    Molins, JordiMolins, Jordi
    Dec 2, 2005 at 8:37 am
    Dec 5, 2005 at 9:43 am
  • Hey there I have two vectors: y<- c(0.4, 0.0, 0.2, -0.2, -0.6, 0.2, 0.0, 0.0, 0.4, 0.4, 0.2) In the vector y, I want to access (in the order given) all of the values in between each of the specific ...
    Eric C. JenningsEric C. Jennings
    Dec 1, 2005 at 5:39 am
    Dec 2, 2005 at 9:22 pm
  • Dear listers, glmmPQL (package MASS) is given to work by repeated call to lme. In the classical outputs glmmPQL the Variance Structure is given as " fixed weights, Formula: ~invwt". The script shows ...
    Patrick GiraudouxPatrick Giraudoux
    Dec 27, 2005 at 5:44 pm
    Aug 26, 2009 at 3:07 pm
  • Hi, (this is a minor irritation), is it possible for me to call R's editor from the R command prompt (I searched for script but that didn't yield anything). (The mouse-file-new-script route is a ...
    Ronnie BabigumiraRonnie Babigumira
    Dec 28, 2005 at 2:21 pm
    Dec 29, 2005 at 1:03 pm
  • Hi, I am new in writing R extension. I read the "Writing R Extensions", and search online but just cannot find the answer. I am trying to add c-code, which depend on GSL C library, into my R ...
    Wei sunWei sun
    Dec 22, 2005 at 11:33 pm
    Dec 27, 2005 at 10:43 am
  • An earlier post had posed the question: "Does anybody know what is relation between 'T' value calculated by 'wilcox_test' function (coin package) and more common 'W' value?" I found the question ...
    Bob GreenBob Green
    Dec 20, 2005 at 8:24 pm
    Dec 21, 2005 at 12:51 pm
  • Hey, I am estiamting a partially linear model y=X\beta+f(\theta) where the f(\theta) is estiamted using wavelets. Has anyone heard of methods to test if the betas are significant or to address model ...
    Elizabeth LawsonElizabeth Lawson
    Dec 16, 2005 at 9:05 pm
    Dec 20, 2005 at 10:30 pm
  • Hi, I am trying to plot multiple lines on a graph. The function is particularly simple: sigma<-function(lambda) atm-2*rr*(lambda-0.5)+16*str*(lambda-0.5)^2 which uses the variables atm, rr and ...
    Uzuner, TolgaUzuner, Tolga
    Dec 20, 2005 at 6:18 pm
    Dec 20, 2005 at 7:58 pm
  • I have a vector of dates. I wish to find the month end date for each. Any suggestions? e.g. For 12/15/05, I want 12/31/05, For 10/15/1995, I want 10/31/1995, etc ...
    T cT c
    Dec 19, 2005 at 3:55 pm
    Dec 19, 2005 at 6:08 pm
  • Hi, I'm trying to fit some data using a logistic function defined as y ~ a * (1+m*exp(-x/tau)) / (1+n*exp(-x/tau) My data is below: x <- 1:100 y <- c(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, ...
    Rajarshi GuhaRajarshi Guha
    Dec 14, 2005 at 5:58 pm
    Dec 19, 2005 at 4:12 pm
  • Hello there, I would like to simulate X --Normal (20, 5) Y-- Normal (40, 10) and the correlation between X and Y is 0.6. How do I do it in R? Thank you very much Lisa Wang Msc. Princess Margaret ...
    Lisa WangLisa Wang
    Dec 15, 2005 at 3:33 pm
    Dec 15, 2005 at 5:04 pm
  • Hi all, Sorry if this is a dumb question, but I am on 10.4 with R2.2, and when loading a big text file (~500MB) with scan(file, what=character) I am throwing malloc errors that say I am out of ...
    Ken TermisoKen Termiso
    Dec 14, 2005 at 8:47 pm
    Dec 15, 2005 at 4:49 pm
  • Hey, Can anyone answer this question. I am working with really large datasets and most of the programs I have been running take quite some time. I heard that R may be faster in Unix. I sthis true and ...
    Elizabeth LawsonElizabeth Lawson
    Dec 13, 2005 at 10:23 pm
    Dec 14, 2005 at 6:39 pm
  • Hi, I'm trying to draw a 2D plot using multiple tints of red. The (simplified) setup is the following: || year | x | y || My idea is that each year is plotted with a different tint of red. Older year ...
    Sérgio NunesSérgio Nunes
    Dec 13, 2005 at 6:34 pm
    Dec 14, 2005 at 7:58 am
  • Is there any function available in R for computing the incomplete Beta function? I'll appreciate any suggestion -- Albert Sorribas Grup de Bioestad??stica i Biomatematica Departament de Ci??ncies ...
    Albert SorribasAlbert Sorribas
    Dec 13, 2005 at 1:00 pm
    Dec 13, 2005 at 6:40 pm
  • Hi all, How can the label of the x-axes in the plot() of a stl.object be adapted? e.g., When plotting: plot(stl(nottem, "per")) In the labels of the x-axes is “time”. How can this be changed to e.g., ...
    Jan VerbesseltJan Verbesselt
    Dec 7, 2005 at 3:19 pm
    Dec 8, 2005 at 1:08 am
  • Dear List, I have two data.frame of the following form: A: n V1 V2 1 12 0 2 10 8 3 3 8 4 8 4 6 7 3 7 12 0 8 1 0 9 18 0 10 1 0 13 2 0 B: n V1 V2 1 0 2 2 0 3 3 1 9 4 12 8 5 2 9 6 2 9 8 2 0 10 4 1 11 7 ...
    Dubravko DolicDubravko Dolic
    Dec 6, 2005 at 1:22 pm
    Dec 6, 2005 at 7:26 pm
  • Hi, Trying to print out two vectors of data in a plot. Both are actual time series but I've been unable to plot both in one graph. Some examples available use use matrix() or ts() as an intermediate ...
    Ed WangEd Wang
    Dec 5, 2005 at 9:03 pm
    Dec 6, 2005 at 6:34 am
  • Hi, I have a more complex example, but the problem boils down to this FOR-loop not filling in the res-matrix run_rows<-seq(0,1,0.05) run_cols<-seq(0.3,0.6,0.05) ...
    Serguei KaniovskiSerguei Kaniovski
    Dec 5, 2005 at 11:47 am
    Dec 5, 2005 at 12:13 pm
  • The data is of two forms, ie one numeric and another ordinal ie 1.5 and <.5. The X Value is a factor. I'm trying to create a lattice conditioned plot with the following characteristics: 1) The plot ...
    Shawn WayShawn Way
    Dec 15, 2005 at 12:59 pm
    Aug 28, 2012 at 11:29 pm
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483 users for December 2005

Prof Brian Ripley: 68 posts Gabor Grothendieck: 56 posts Uwe Ligges: 45 posts Spencer Graves: 42 posts Peter Dalgaard: 36 posts Marc Schwartz (via MN): 35 posts Martin Maechler: 35 posts Ted Harding: 25 posts P Ehlers: 21 posts Liaw, Andy: 20 posts Sean Davis: 17 posts Berton Gunter: 16 posts Petr Pikal: 16 posts Jacques VESLOT: 15 posts Ronnie Babigumira: 15 posts Doran, Harold: 14 posts Ales Ziberna: 13 posts Jim holtman: 13 posts Deepayan Sarkar: 12 posts Kjetil Brinchmann Halvorsen: 12 posts
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