Grokbase Groups R r-help July 2005

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566 discussions - 1,867 posts

  • If the observations are normally distributed and the 2xk design is balanced, theory requires that the tests for interaction and row effects be independent. In my program, appended below, this would ...
    Phillip GoodPhillip Good
    Jul 4, 2005 at 3:28 pm
    Jul 7, 2005 at 1:56 pm
  • Is there any possibility to get high resolution plots in a windows xp system? I tried it with the device function png(filename "c:/r/highresplot%d.png",pointsize, res�0) but when I try to set: width ...
    Knut KruegerKnut Krueger
    Jul 12, 2005 at 6:31 am
    Aug 6, 2005 at 11:12 am
  • I would like to annotate my plot with a little box containing the slope, intercept and R^2 of a lm on the data. I would like it to look like... +----------------------------+ ...
    Dan BolserDan Bolser
    Jul 21, 2005 at 10:20 am
    Jul 23, 2005 at 4:09 pm
  • Dear All, With the warm support of every R expert, I have built my R library successfully. Especially thanks: Duncan Murdoch Gabor Grothendieck Henrik Bengtsson Uwe Ligges Without your help, I will ...
    Jul 21, 2005 at 3:25 am
    Jul 25, 2005 at 6:47 am
  • hi all why does R do this: (-8)^(1/3)=NaN the answer should be : -2 a silly question but i kept on getting errors in some of my code due to this problem. i solve the problem as follows: say we ...
    Jul 12, 2005 at 1:11 pm
    Jul 16, 2005 at 8:49 pm
  • I have two files to compare, one is a regular txt file that I can read in no prob. The other is a .gct file (How do I read in this one?) I tried a simple read.table("data.gct", header = T) How do you ...
    Mark salsburgMark salsburg
    Jul 19, 2005 at 4:10 pm
    Jul 20, 2005 at 10:00 am
  • Dear R users, I am having problems building R packages in Windows xp. I have followed the instructions from Peter E. Rossi in Documentation - Other, except for the TeX version (fpTeX), since when I ...
    Jul 24, 2005 at 5:39 pm
    Jul 25, 2005 at 6:41 am
  • Dear R users, I want to generate two random variables (X1, X2) from uniform distribution (-0.5, 0.5) with a specified correlation coefficient r. Does anyone know how to do it in R? Many thanks! ...
    Menghui ChenMenghui Chen
    Jul 1, 2005 at 8:48 pm
    Jul 5, 2005 at 4:34 pm
  • Hi all, I've used the split argument to print four lattice plots on a single page. The problem now is that I need to reduce the amount of white space between the plots. I've read other mails in this ...
    Federico GherardiniFederico Gherardini
    Jul 15, 2005 at 12:42 pm
    Jul 19, 2005 at 4:50 pm
  • I am trying to draw a plot like Matlab does: The upper extreme whisker represents 95% of the data; The upper hinge represents 75% of the data; The median represents 50% of the data; The lower hinge ...
    Larry XieLarry Xie
    Jul 10, 2005 at 11:10 pm
    Jul 12, 2005 at 9:57 am
  • I'd like to do some plots of historical event data on a reverse log scale, started, say at the year 2000 and going backwards in time, with tick marks spaced according to log(2000-year). For example, ...
    Michael FriendlyMichael Friendly
    Jul 6, 2005 at 7:36 pm
    Jul 7, 2005 at 7:00 pm
  • a simple question how does one produce plots on two different graphics devices? / allan
    Clark AllanClark Allan
    Jul 29, 2005 at 11:30 am
    Jul 29, 2005 at 6:13 pm
  • Hi R Users This is a code I wrote and just want to confirm if the first 1000 values are raw gamma (z) and the next 1000 values are transformed gamma (k) or not. As I get 2000 rows once I import into ...
    Jul 27, 2005 at 3:10 am
    Jul 29, 2005 at 2:20 am
  • Hi, I have a matrix with column names starting with a character in [0-9]. After some matrix operations (e.g. copy to another matrix), R seems to add a character 'X' in front of the column name. Is ...
    Gilbert WuGilbert Wu
    Jul 18, 2005 at 3:11 pm
    Jul 21, 2005 at 5:15 pm
  • Dear colleague, Just an e-mail to know if they are people working in the field of chemoinformatic that are using R in their work. If yes I was wondering if we couldn't exchange tips and tricks about ...
    Frédéric OomsFrédéric Ooms
    Jul 20, 2005 at 11:44 am
    Jul 21, 2005 at 2:19 pm
  • Hi All, I am currently conducting some survival analyses. I would like to extract coefficients at each level of the IVs. I read on a previous posting that dummy regression using coxph was not ...
    Jul 18, 2005 at 6:46 am
    Jul 19, 2005 at 4:11 pm
  • Hello, How to use the function plot to produce graphs as Matlab? example in Matlab: a = [1,2,5,3,6,8,1,7]; b = [1,7,2,9,2,3,4,5]; plot(a,'b') hold plot(b,'r') How to make the same in R-package ? I am ...
    Jul 13, 2005 at 2:19 am
    Jul 18, 2005 at 12:18 am
  • ---- Original message ---- automatically recognized console displays display in English much! Or, like what I did, change XP language setting back to English from the control panel ...
    Baoqiang CaoBaoqiang Cao
    Jul 14, 2005 at 5:56 pm
    Jul 15, 2005 at 12:49 pm
  • Hi, I have a question on read.table. I have a dataset with 273,000 lines and 195 columns. I used the read.table to load the data into R: trn<-read.table('train1.dat', header=F, sep='|', ...
    Weiwei ShiWeiwei Shi
    Jul 13, 2005 at 8:38 pm
    Jul 13, 2005 at 9:52 pm
  • Dear R list, I'm trying to calculate Mahalanobis distances for 'Species' of 'iris' data as obtained below: Squared Distance to Species From Species: Setosa Versicolor Virginica Setosa 0 89.86419 ...
    Jose Claudio FariaJose Claudio Faria
    Jul 8, 2005 at 5:57 pm
    Jul 13, 2005 at 5:11 pm
  • Dear R-helpers, Is it possible to create a type of 'movie' in R based on the output of several figures (e.g., jpegs) via the plot() function. I obtained dynamic results with the plotting function and ...
    Jan VerbesseltJan Verbesselt
    Jul 27, 2005 at 10:11 am
    Jul 27, 2005 at 6:45 pm
  • Hello, I am fitting a coxph model with factors. I am running into problems when using 'survfit'. I am unsure how R is treating the factors when I fit, say: Also, when I trying using survfit with ...
    Kylie-Anne RichardsKylie-Anne Richards
    Jul 14, 2005 at 6:46 am
    Jul 17, 2005 at 11:27 am
  • I'm trying to figure out R, a piece at a time, hours at a time... I was trying to copy the sample function in, "An Introduction to R" (for version 2.1.0) by W. N. Venables, D. M. Smith, page 42 ...
    David GroosDavid Groos
    Jul 15, 2005 at 8:40 pm
    Jul 17, 2005 at 2:40 am
  • Dear R-helper, I want to plot the following-like data: x y 1 1 1 1 1 2 1 3 1 3 1 4 ...... In the plot that produced, I don't want to show the usual circles or points. Instead, I want to show the ...
    Kerry BushKerry Bush
    Jul 13, 2005 at 6:37 pm
    Jul 15, 2005 at 8:49 am
  • I am trying to import data from a SAS XPORT file that contains 24 SAS files. When I use the "read.xport" procedure only about 16 data frames (components) are created. Any suggestions? ...
    Nelson, Gary (FWE)Nelson, Gary (FWE)
    Jul 14, 2005 at 2:31 pm
    Jul 14, 2005 at 10:21 pm
  • Hi there, If I do an lm, I get p-vlues as p-value: < 2.2e-16 This is obtained from F 9540 with df1 = 1, df2 = 7025. Suppose am interested in exact value such as p-value = 1.6e-16 (note = and not <) ...
    S.O. NyangomaS.O. Nyangoma
    Jul 11, 2005 at 4:52 pm
    Jul 12, 2005 at 8:51 am
  • Hello all, I am planning to redeploy my workstation under KUBUNTU. Does any body has any r experience installing/using r on this platform? Best regards. -- Constant Depi??reux Managing Director ...
    Constant DepièreuxConstant Depièreux
    Jul 11, 2005 at 9:54 am
    Jul 11, 2005 at 9:57 pm
  • 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 ...
    Tae-Hoon ChungTae-Hoon Chung
    Jul 29, 2005 at 7:13 pm
    Aug 15, 2005 at 3:34 pm
  • 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 ...
    John SorkinJohn Sorkin
    Jul 29, 2005 at 11:17 am
    Jul 30, 2005 at 8:11 am
  • Hello, I have been trying to take the derivative of a quadratic B-spline obtained by using the COBS library. What I would like to do is similar to what one can do by using fit<-smooth.spline(cdf) ...
    James McDermottJames McDermott
    Jul 19, 2005 at 6:53 pm
    Jul 20, 2005 at 11:31 pm
  • Dear R users: I encountered difficulties in michaelis-menten equation. I found that when I use right model definiens, I got wrong Km vlaue, and I got right Km value when i use wrong model definiens ...
    Chun-Ying LeeChun-Ying Lee
    Jul 19, 2005 at 8:47 am
    Jul 20, 2005 at 10:56 am
  • Hi, I wish to analyze with R the results of a perception experiment in which subjects had to recognize each stimulus among three choices (this was a forced-choice design). The experiment runs under ...
    Rafael LaboissiereRafael Laboissiere
    Jul 13, 2005 at 10:44 pm
    Jul 18, 2005 at 11:34 am
  • Hello, plot(cox.zph(,var=1,xlab="Year") gives the error: Error in plot.default(range(xx), yr, type = "n", xlab = "Time", ylab = ylab[i], : formal argument "xlab" matched by multiple actual ...
    Dan BebberDan Bebber
    Jul 11, 2005 at 10:10 am
    Jul 11, 2005 at 4:25 pm
  • Hello, I use "select.list" to obtain a window of select items, but how can I set the position and size of this window? Thank you! shengzhe
    Wu szWu sz
    Jul 2, 2005 at 11:07 pm
    Jul 5, 2005 at 9:41 pm
  • I have copied Gregor's files at for those who didn't get the attachments. LyX looks actually much better and stable then when I last had a look a couple ...
    Friedrich LeischFriedrich Leisch
    Jul 27, 2005 at 12:24 pm
    Aug 18, 2005 at 5:34 pm
  • Hello! I installed the fSeries package to get some farima time-series which i tried with farimaSim, but unfortunately i got always an error. I tried it this way: Error in farimaSim(n = 1000, model = ...
    Hansi WeissensteinerHansi Weissensteiner
    Jul 26, 2005 at 3:40 pm
    Jul 31, 2005 at 10:19 pm
  • Hi all, I'm having a problem with the auto.key function in xyplot. I hate to bother the list like this and I'm positive I must be missing something very simple, yet I've spent the last day searching ...
    Mike LawrenceMike Lawrence
    Jul 30, 2005 at 7:04 pm
    Jul 31, 2005 at 3:22 pm
  • Hi - I am getting different results when I run the numerical integrator function lsoda (odesolve package) on a Mac and a PC. I am trying to simulating a system of 10 ODE's with two exogenous pulsed ...
    Martin Henry H. StevensMartin Henry H. Stevens
    Jul 27, 2005 at 4:36 pm
    Jul 28, 2005 at 1:51 pm
  • I haven't been an R lister for a bit, but I hope to enlist someone's help here. I think this is a simple question, so I hope the answer is not much trouble. Can you please respond directly to this ...
    Thomas IsenbargerThomas Isenbarger
    Jul 20, 2005 at 3:40 pm
    Jul 25, 2005 at 4:49 pm
  • I just upgraded to version 2.1.1 (from 2.0.1) today. platform i686-pc-linux-gnu arch i686 os linux-gnu system i686, linux-gnu status major 2 minor 1.1 year 2005 month 06 day 20 language R I am using ...
    Kevin E. ThorpeKevin E. Thorpe
    Jul 15, 2005 at 6:06 pm
    Jul 22, 2005 at 1:58 pm
  • I remember in one slide of Prof. Ripley's presentation overhead, he said the most popular data analysis software is excel. So is there any resource or tutorial on this topic? Thank you so much!
    Wensui LiuWensui Liu
    Jul 19, 2005 at 9:22 pm
    Jul 21, 2005 at 1:15 pm
  • Hello, The estimate of glm dispersion can be based on the deviance or on the Pearson statistic. I have compared output from R glm() to another statastical package and it appears that R uses the ...
    Smit, R. (Robin)Smit, R. (Robin)
    Jul 11, 2005 at 9:30 am
    Jul 20, 2005 at 1:49 pm
  • Hello, I'm trying to model the entry of certain firms into a larger number of distinct markets over time. I have a short time series, but a large cross section (small T, big N). I have both time ...
    Brett GordonBrett Gordon
    Jul 17, 2005 at 12:01 am
    Jul 18, 2005 at 11:40 pm
  • I know R has a steep learning curve, but from where I stand the slope looks like a sheer cliff. I'm pawing through the available docs and have come across examples which come close to what I want but ...
    Seeliger CurtSeeliger Curt
    Jul 12, 2005 at 5:51 pm
    Jul 15, 2005 at 9:59 am
  • Hi there, If I do an lm, I get p-vlues as p-value: < 2.2e-16 Suppose am interested in exact value such as p-value = 1.6e-16 (note = and not <) How do I go about it? stephen
    S.O. NyangomaS.O. Nyangoma
    Jul 11, 2005 at 4:47 pm
    Jul 15, 2005 at 9:23 am
  • I have the following data: gene_name microarray expression A 2323 B 1983 .... ..... I have about 10,000 observations. I would like to know if there is a way to create an interactive plot.. Mainly one ...
    Mark salsburgMark salsburg
    Jul 12, 2005 at 5:45 pm
    Jul 14, 2005 at 11:29 am
  • Dear R list, For some reason I am unable to access neither, nor so I cannot search the archives for a possible answer (I Googled for this but didn't ...
    Adrian DusaAdrian Dusa
    Jul 13, 2005 at 2:08 pm
    Jul 14, 2005 at 6:38 am
  • Dear all, I have done every step as the previous mail. 1. unpack into c:\cygwin 2. install Active perl in c:\Perl 3. install the mingw32 in c:\mingwin 4. add "c:\cygwin; c:\mingwin\bin" in ...
    Jul 7, 2005 at 10:28 am
    Jul 13, 2005 at 3:57 am
  • I'm on R 2.1.0. In the "source" function there is a bug preventing the proper use of the chdir option (which simply doesn't work). The problem is that in the function the following line occurs: file ...
    Jul 12, 2005 at 9:56 am
    Jul 12, 2005 at 12:10 pm
  • Hi, Im using R 2.1.1 and running Code that previously worked (on R 2.1.0 I believe) using the 'timeDate' function from the fCalendar package. The code now throws an error: Error in if (Sys.timezone() ...
    Martin Keller-ResselMartin Keller-Ressel
    Jul 5, 2005 at 9:55 am
    Jul 11, 2005 at 5:37 pm
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516 users for July 2005

Gabor Grothendieck: 98 posts Prof Brian Ripley: 94 posts Uwe Ligges: 82 posts Spencer Graves: 72 posts Peter Dalgaard: 61 posts Duncan Murdoch: 60 posts Adaikalavan Ramasamy: 40 posts Marc Schwartz (via MN): 31 posts Thomas Lumley: 30 posts Liaw, Andy: 25 posts Weiwei Shi: 22 posts Sundar Dorai-Raj: 21 posts Douglas Bates: 19 posts Frank E Harrell Jr: 19 posts Martin Maechler: 19 posts Deepayan Sarkar: 18 posts Ted Harding: 17 posts Christoph Buser: 16 posts Wu sz: 16 posts Doran, Harold: 13 posts
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