Grokbase Groups R r-help March 2002

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293 discussions - 880 posts

  • Dear R help users: I have set up a r help mailing list archive based on mysql which support full text search and auto-update. Please visit . I hope you ...
    Chen HuashanChen Huashan
    Mar 7, 2002 at 5:35 am
    Apr 13, 2002 at 8:19 am
  • Hi can anyone help me in combining GA and hazard regression in R do you thing I can use Gafit packages and survival package or I have to build my own package thanks ...
    Rabiah AhmadRabiah Ahmad
    Mar 4, 2002 at 2:17 pm
    Mar 29, 2002 at 3:59 pm
  • Hello everybody! Spse I have the following X <- seq(1:100) #(a dim(100) sequence of integers 1:100 representing the possible actions of player 1 and player2 in a game) BR2X<- br2(X) #(a dim(100) ...
    Juhana VartiainenJuhana Vartiainen
    Mar 20, 2002 at 7:41 am
    Mar 21, 2002 at 11:00 am
  • There exists a plot 3d functions (or similar) in R? Thanks, ======================================== Cezar Freitas (ICQ 109128967) IMECC - UNICAMP Campinas, SP - Brasil ...
    Cezar Augusto de Freitas AnselmoCezar Augusto de Freitas Anselmo
    Mar 18, 2002 at 4:42 pm
    Mar 28, 2002 at 6:35 am
  • i am having some problems with a program that i am writing and i think that knowing how the while command works will help me to figure out where i am going wrong *when do you get kicked out of a ...
    Jimi adamsJimi adams
    Mar 20, 2002 at 7:39 pm
    Mar 22, 2002 at 3:52 pm
  • What criteria does one use to decide whether to write a common sequence of code as a source(procedure) or as a function? As I understand it, both are maintained as source code and interpreted, so is ...
    Graham lawrenceGraham lawrence
    Mar 26, 2002 at 8:51 pm
    Mar 27, 2002 at 2:54 pm
  • Hello All, I've created a view stacked barplots where some of the bars should contain a pattern such as stripes. Adjacent bars of the same stack should have the same colour but a different finnling ...
    Arne MuellerArne Mueller
    Mar 11, 2002 at 2:52 am
    Mar 15, 2002 at 4:55 pm
  • Hello, I'm trying to put a mathematical expression into a legend, but R complains about a syntax error. Basically i'd like to do this: legend.text = c(expression(x < 10), expression(x = 10)) The ...
    Arne MuellerArne Mueller
    Mar 12, 2002 at 10:23 pm
    Mar 14, 2002 at 4:25 pm
  • Hello, I would like to test some learning algorithms (C5.0, or C4.5) using decision trees or neural network. I didn't find anything in the R documentation for functions to apply on datasets (well, ...
    Thomas DEGRISThomas DEGRIS
    Mar 10, 2002 at 2:54 pm
    Mar 22, 2002 at 2:58 pm
  • I'd like to play with ARIMA models of stock prices, but I am a complete novice. Could some kind soul explain the relationship among packages "ts", "tseries", "dse", "dse2", and "fracdiff"? Are they ...
    David BrahmDavid Brahm
    Mar 8, 2002 at 10:16 pm
    Mar 12, 2002 at 9:36 am
  • i want to call "c:/Program Files/Netscape/Communicator/Program/netscape.exe" with system but system("c:/Program Files/Netscape/Communicator/Program/netscape.exe") does not work because of the blank ...
    Erich NeuwirthErich Neuwirth
    Mar 29, 2002 at 12:36 am
    Mar 30, 2002 at 1:02 pm
  • I have a large number of troff help files which are automatically converted to .Rd files. Many of these have examples which contain the printed output of the examples. This makes ...
    Frank E Harrell JrFrank E Harrell Jr
    Mar 29, 2002 at 12:14 am
    Mar 29, 2002 at 8:01 pm
  • Hello Spse I have a matrix, say 1 2 3 4 5 6 7 8 9 and I would like to expand it by repeating rows within the matrix, to get, if the repeating factor is 2, say: 123 123 456 456 789 789 (or columnwise ...
    Juhana VartiainenJuhana Vartiainen
    Mar 21, 2002 at 10:19 am
    Mar 22, 2002 at 10:23 am
  • # z compares row 1 to each row of iris3 and is correctly computed [1] TRUE FALSE FALSE # this should do the same but is incorrect 1 2 3 FALSE FALSE FALSE What's wrong here? ...
    Mar 17, 2002 at 4:58 am
    Mar 18, 2002 at 6:57 pm
  • Is it possible to compute the variance of every column in a matrix without a loop? -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read ...
    Francisco J MolinaFrancisco J Molina
    Mar 17, 2002 at 3:43 am
    Mar 18, 2002 at 3:28 pm
  • Hi, Guys I run one simple R script like this library(e1071) data(iris) attach(iris) model <- svm (Species~., data=iris) The R version is 1.4.1. The OS is standard redhat 7.2. Then I got a ...
    Jason zhaoJason zhao
    Mar 11, 2002 at 7:55 pm
    Mar 13, 2002 at 3:02 pm
  • Hi all This seems like a very easy question, but I have not found a simple answer to it: If you have a dataframe, how to you plot two of then in different colors depending on a third variable? All ...
    Fredrik KarlssonFredrik Karlsson
    Mar 1, 2002 at 10:28 am
    Mar 4, 2002 at 1:58 am
  • I am processing some survey results, and my data are being read in as "factors". I don't know how to process these things in any way. To start with, several of the survey questions are mulit-choice ...
    Tom ArnoldTom Arnold
    Mar 29, 2002 at 1:58 pm
    Mar 30, 2002 at 1:27 am
  • Dear R-group members, I use: platform i386-pc-mingw32 arch x86 os Win32 system x86, Win32 status major 1 minor 4.1 year 2002 month 01 day 30 language R I try to fit a 2 compartment model. The ...
    Mar 27, 2002 at 9:47 am
    Mar 29, 2002 at 2:37 pm
  • I have to store a number of vectors of the same length. I know the length but I do not know the number of vectors. How can I store them as they are created (they are created one by one)? ...
    Francisco J MolinaFrancisco J Molina
    Mar 19, 2002 at 3:08 am
    Mar 28, 2002 at 6:35 am
  • Hi all, First, I want to apologize if this question has been already answered. I have a RedHat 7.2. system with recently patched version of R-1.4.1. I'm in a process of writing R package, say X, that ...
    Peter DimitrovPeter Dimitrov
    Mar 25, 2002 at 9:23 pm
    Mar 26, 2002 at 8:36 am
  • Hi all, I can't figure out how to compute Wilks Lambda in a one way repeated measure design. My matrix looks like: Blank ECR ENC UEA UED 1 -0.15 0.14 0.16 0.09 0.14 2 0.30 0.08 0.14 0.14 0.14 [...] ...
    Sven GarbadeSven Garbade
    Mar 21, 2002 at 12:53 pm
    Mar 22, 2002 at 8:52 am
  • I'd like to make a plot with the axes drawn at the values of xlim and ylim. The default plot draws the axes slightly outside these values. I have been experimenting with the par(mgp) setting, but ...
    Arnold KesterArnold Kester
    Mar 19, 2002 at 10:55 am
    Mar 20, 2002 at 4:25 pm
  • Hi all, Although R seems to have jpeg() and png() functions that converts data into jpeg and png formated files, it doesn't have functions the other way around. Does one of R contributed packages ...
    Mar 11, 2002 at 11:29 pm
    Mar 13, 2002 at 10:53 am
  • Hello, I'm new to R, and I'm trying to set the number of tickmarks for a plot using xaxp, but R seems to ignore this setting completely. Maybe you've an idea what I'm doing wrong. I'm using R 1.4.1, ...
    Arne MuellerArne Mueller
    Mar 10, 2002 at 5:01 pm
    Mar 11, 2002 at 12:43 pm
  • Hi all I'm trying to complete a textbook example originally designed for SPSS in R, and I therefore need to find out how to compute an unbalanced ANOVA in R. I did a search on the mailinglist ...
    Fredrik KarlssonFredrik Karlsson
    Mar 8, 2002 at 5:56 am
    Mar 8, 2002 at 1:59 pm
  • Hi, I am trying to understand the alternative methods that are available for selecting variables in a regression without simply imposing my own bias (having "good judgement"). The methods implimented ...
    Frank, MurrayFrank, Murray
    Mar 1, 2002 at 12:12 am
    Mar 2, 2002 at 4:47 pm
  • Dear all, I found a discrepancy while performing a power calculation for a two sample t-test in R and S-PLUS, respectively. For given values of sample number (5 each), sd (0.2) , significance level ...
    Joern QuedenauJoern Quedenau
    Mar 1, 2002 at 10:04 am
    Mar 1, 2002 at 10:29 pm
  • If anyone has a very fast vectorized method for doing the following I would appreciate some help. I want to avoid outer() to limit memory problems for very large n. Let x = real vector of length n y ...
    Frank E Harrell JrFrank E Harrell Jr
    Mar 28, 2002 at 1:19 pm
    Mar 28, 2002 at 5:04 pm
  • I frequently want to test for differences between animal size frequency distributions. The obvious test (I think) to use is the Kolmogorov-Smirnov two sample test (provided in R as the function ...
    David MiddletonDavid Middleton
    Mar 26, 2002 at 5:23 pm
    Mar 28, 2002 at 4:33 pm
  • The problems with the HTML mailing list archives at CRAN should be fixed now, I have re-created the pages for 2002 using the original archives from Martin M?chler. r-help and r-devel are now splitted ...
    Friedrich LeischFriedrich Leisch
    Mar 21, 2002 at 11:39 am
    Mar 26, 2002 at 10:18 pm
  • Hi all! I want to do some logistic regression. Is there a fintion in R that does this, or do I have to do the variable conversion by hand? Thankful for all the help I can get. /Fredrik ...
    Fredrik KarlssonFredrik Karlsson
    Mar 25, 2002 at 2:26 pm
    Mar 25, 2002 at 3:31 pm
  • Hi, This is a simple question with if elseif....however I am having trouble constructing the solution for some reason. Suppose I have a data set with 3 variables, a, b and c say. Let's say c is the ...
    Ko-Kang Kevin WangKo-Kang Kevin Wang
    Mar 24, 2002 at 10:41 am
    Mar 25, 2002 at 10:04 am
  • i am probably just missing this one, but how can i check to see if a number is a part of a vector? i know i could do a loop checking for equivalence for each element, but i am thinking that there ...
    Jimi adamsJimi adams
    Mar 20, 2002 at 4:40 pm
    Mar 20, 2002 at 8:32 pm
  • Hi everybody, I want to download the spatial library but I don't find it at the CRAN list package. Where can I find the package ? I have to download it to use the function correlogram. Thanks in ...
    Lecca PaolaLecca Paola
    Mar 20, 2002 at 2:19 pm
    Mar 20, 2002 at 4:20 pm
  • Hi, This is a very trivial question, and I do not know why I cannot remember the answer at all! How does one get the entire system information (which OS, R version....etc) using an R command? Thanks, ...
    Ko-Kang Kevin WangKo-Kang Kevin Wang
    Mar 20, 2002 at 11:25 am
    Mar 20, 2002 at 2:41 pm
  • Dear All, I'm getting confused with the concept R uses to do regression using lm. I'm afmiliar with gnuplot and the build-in fit command, but couldn't get R's lm to work on my data. I know that my ...
    Arne MuellerArne Mueller
    Mar 19, 2002 at 4:03 pm
    Mar 20, 2002 at 12:26 am
  • If I have several vectors of different length. Is there any way to group them in R and call them with an integer (and index)? Let us assume that the number of vectors is not known before I run the ...
    Francisco J MolinaFrancisco J Molina
    Mar 19, 2002 at 4:21 am
    Mar 19, 2002 at 9:26 am
  • Thank you for your replies so far. Sorry for bothering you again, but I'm still not able to get what I need as I don't understand all parts of the replies (just using R for easy things....). Is there ...
    Nina LieskeNina Lieske
    Mar 18, 2002 at 11:50 am
    Mar 18, 2002 at 3:39 pm
  • Under Windows 2000 I installed R 1.4.0 some time ago. I then installed R 1.4.1 just now. If I hit the Windows Start button select Programs from the menu that appears select R from the menu that ...
    Mar 16, 2002 at 5:21 am
    Mar 16, 2002 at 6:34 pm
  • I would like some feedback about how useful is the iESS mode to run R in Xemacs/emacs? -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read ...
    Francisco J MolinaFrancisco J Molina
    Mar 13, 2002 at 5:03 am
    Mar 14, 2002 at 7:30 am
  • I'm making two plots, one on top of the other. On the upper plot, I do not print the x-label or the x-tick-label. To reduce space, I'd like to keep the white space between the two figures at a ...
    Michael D. SohnMichael D. Sohn
    Mar 13, 2002 at 7:48 am
    Mar 13, 2002 at 2:46 pm
  • How can locate in my program an error of that kind (Error: subscript out of bounds)? -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read ...
    Francisco J MolinaFrancisco J Molina
    Mar 13, 2002 at 4:49 am
    Mar 13, 2002 at 12:10 pm
  • Hello, I've read in a data file as a frame and now I'd like the columns to be rows and the rows to be columns. What's the easiest way to do this in R? [1] "H..sapiens" "C..elegans" "D..melanogaster" ...
    Arne MuellerArne Mueller
    Mar 12, 2002 at 3:41 pm
    Mar 12, 2002 at 5:01 pm
  • Hello. I'm not a regular subscriber in this mailing list, but I think that this announce may interest somebody. Please, forgive me if this is the wrong place. Based on the code of RSPython, but ...
    Walter MoreiraWalter Moreira
    Mar 6, 2002 at 8:46 pm
    Mar 8, 2002 at 8:46 am
  • Here is what I get using R 1.4.1 on Win2k (using precompiled version from CRAN) and RH 7.2 Linux (compiled form source): a b X1 1 3 X3 3 3 NA NA NA NA1 NA NA (if there are more rows with NAs, I get ...
    Mar 6, 2002 at 11:36 pm
    Mar 7, 2002 at 4:27 pm
  • I am investigating how well R/tcltk is supported on different system and I ran into the same problem as Christian Schulz reported on February 7, 2002. I am using [R] v1.4.1 on WinMe and ActiveTcl ...
    Henrik BengtssonHenrik Bengtsson
    Mar 6, 2002 at 4:46 pm
    Mar 6, 2002 at 9:45 pm
  • Hello everybody, a question that connect to the question of Frederik Karlsons about 'how to stand. betas' With the stand. betas i can compare the influence of the different explaning variables. What ...
    Joerg MaederJoerg Maeder
    Mar 5, 2002 at 8:40 am
    Mar 5, 2002 at 4:27 pm
  • Is there a "canned" function in R for finding the standard error of the mean? I have tried Error in sem(pnet.lai) : couldn't find function "stdev" It looks like there is no stdev function in R ...
    Kirk R. WythersKirk R. Wythers
    Mar 1, 2002 at 3:15 pm
    Mar 1, 2002 at 7:01 pm
  • Hi, When doing a two-ways anova in R and comparing my same results with an SPSS output, I noticed that R calculated type I Sum of Squares. Is it possible to use Type III Sum of Squares? Thanks, ...
    Sébastien PlanteSébastien Plante
    Mar 1, 2002 at 3:42 pm
    Mar 1, 2002 at 6:37 pm
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