FAQ

Search Discussions

807 discussions - 2,880 posts

  • Hi, I have a vector of difftime objects and I want to see its summary. Alas: --8<---------------cut here---------------start------------- 8--- Length Class Mode 9008386 difftime numeric ...
    Sam SteingoldSam Steingold
    Nov 21, 2012 at 7:22 pm
    Nov 27, 2012 at 5:31 am
  • Every time i insert : A<-lm(GandW ~ Authocracy;Data) i get this Error. Iam using Mac. And i have checked that "Data" has been read correctly. The same command with the same Data has been used by ...
    F86F86
    Nov 23, 2012 at 3:23 pm
    Nov 25, 2012 at 11:50 pm
  • frespider wrote How about ... x <- matrix(sample(1:8000),nrow0) colnames(x)<- paste("Col",1:ncol(x),sep="") apply(x,2,function(x) c(summary(x), sd=sd(x), IQR=IQR(x))) HTH Pete -- View this message ...
    Pete BrecknockPete Brecknock
    Nov 23, 2012 at 1:44 am
    Nov 25, 2012 at 12:14 am
  • Dear friends, I have a csv file entitled ven.csv located in C:\\, this file contains only two columns:"ve" and "su" I have written the following lines ...
    Sonia AminSonia Amin
    Nov 16, 2012 at 7:42 pm
    Nov 19, 2012 at 6:54 am
  • Dear folks-- Suppose I have an expression that evaluates to a string, and that that string, were it not a character vector, would be a symbol. I would like a function, call it doppel(), that will ...
    andrewHandrewH
    Nov 3, 2012 at 9:31 pm
    Nov 29, 2012 at 10:09 am
  • but using strata leads to problems: Error in model.frame.default(data = data[1:100, ], formula = ~bucket + : number of variables != number of variable names Note that the following give rise to the ...
    Georges DupretGeorges Dupret
    Nov 17, 2012 at 2:05 am
    Nov 20, 2012 at 2:33 am
  • In the "Introduction and preliminaries" the "An Introduction to R" manual says about R: "... Among other things it has ... a well developed, simple and effective programming language (Called 'S') ...
    Iurie MalaiIurie Malai
    Nov 5, 2012 at 4:43 pm
    Nov 6, 2012 at 12:21 pm
  • Hello I'm using some R code in order to use the model BG-NBD implementation I'm using Java and I call R by using RCaller. I must admit that i'm really really new to R so maybe I'm doing something ...
    AngeloimmAngeloimm
    Nov 26, 2012 at 8:22 am
    Nov 28, 2012 at 3:31 pm
  • Hi, First post here. Grateful for any help you can give. I have data which looks like this: id time x 1 12:01 5 1 12:02 14 1 12:03 6 1 12:04 3 2 12:01 98 2 12:02 23 2 12:03 1 2 12:04 4 3 12:01 5 3 ...
    TheRealJimShadyTheRealJimShady
    Nov 22, 2012 at 5:08 pm
    Nov 27, 2012 at 5:16 pm
  • Hi! I have a question that is probably very basic, but I cannot figure out how to do it. I simply need to compare the significance of a regression slope against a slope of 1, instead of the default ...
    Catriona HendryCatriona Hendry
    Nov 25, 2012 at 12:27 am
    Nov 25, 2012 at 3:21 pm
  • I am following a document teaching how to use regression and right at the onset I get an R error. I understand that variables "conc" and "signal" should have the same length but I am using the what R ...
    TesssaTesssa
    Nov 9, 2012 at 4:37 pm
    Nov 9, 2012 at 8:25 pm
  • Hi, I have a problem in relation with a packahe I made. It runs on my machine (Windows, where I made the package), and it runs in a Mac machine, but it does not run in another Mac machine with the ...
    Eva Prieto CastroEva Prieto Castro
    Nov 1, 2012 at 8:25 am
    Nov 6, 2012 at 5:37 am
  • Hi, I am working on R 2.15.2 on Win. 7. I am trying to run some simple commends. But, I cannot see the expected output. I have deselected "buffered output". Still it does not work. Any help will be ...
    Jack BryanJack Bryan
    Nov 28, 2012 at 3:25 am
    Nov 29, 2012 at 9:24 pm
  • Hello all, I al trying to join (ADD FILES in SPSS) two files using the rbind() function. However, with rbind() R does not behave the same way as SPSS. I mean, it just concatenates the two blocs with ...
    Virgile Capo-ChichiVirgile Capo-Chichi
    Nov 23, 2012 at 2:56 pm
    Nov 23, 2012 at 5:39 pm
  • Hello, I would appreciate if someone could help me resolve the following: 1. df1[!is.na( X1 | X2 | X3 | X4 | X5),][,1:5] # This does not work 2. Is these message harmful? The following object(s) are ...
    Muhuri, Pradip (SAMHSA/CBHSQ)Muhuri, Pradip (SAMHSA/CBHSQ)
    Nov 22, 2012 at 2:11 pm
    Nov 22, 2012 at 5:28 pm
  • HI @ all, I'm looking for a simple solution to supress the y-axis - but only the drawn scale - not the values. Only the numbers should be displayed. I tried yaxt="n" but there everything of the ...
    GeophagusGeophagus
    Nov 12, 2012 at 10:08 am
    Nov 16, 2012 at 11:13 am
  • Dear folks ? I have a large (26 gig) ASCII flat file in fixed-width format with about 10 million observations of roughly 400 variables. (It is 51 years of Current Population Survey micro data from ...
    andrewHandrewH
    Nov 13, 2012 at 4:23 am
    Nov 15, 2012 at 11:54 am
  • How do I step thru all lines (including step into sub-routines) in a R script? Hi all, I know I can put a "browser()" into any place... but how to step into sub-routines? Keep pressing "n" at the ...
    MichaelMichael
    Nov 13, 2012 at 9:05 pm
    Nov 13, 2012 at 11:11 pm
  • Hi People! I have following concern consisting of some steps to do in R: I have an ascii file (table) consisting of many columns and rows. 1. I would like to order all values of the columns one under ...
    Dattel_palmeDattel_palme
    Nov 3, 2012 at 4:07 pm
    Nov 29, 2012 at 3:02 pm
  • Hello, How can I run a backward stepwise regression with part of the variables fixed, while the others participate in the backward stepwise analysis? Thank you, Einat -- View this message in ...
    EinatEinat
    Nov 19, 2012 at 7:49 am
    Nov 22, 2012 at 8:06 am
  • Could someone explain to me what namespaces are loaded/saved when objects are saved? Specifically, I'm using this: save(list = ls(all.names = TRUE, envir = envir), file = name, envir = envir) to save ...
    Jamie OlsonJamie Olson
    Nov 7, 2012 at 5:46 pm
    Nov 14, 2012 at 4:19 pm
  • hi could you help me to solve this issue Question: Using command rweibull(100,8,15), simulate n = 100 realizations from Weibull(8; 15) distribution. Using the simulated sample, compute the sample ...
    Parvez_200207Parvez_200207
    Nov 10, 2012 at 6:23 pm
    Nov 11, 2012 at 7:29 am
  • Dear R help; I'm currently trying to combine a large number (about 30 x 30) of large .csvs together (each at least 10000 records). They are organized by plots, hence 30 X 30, with each group of csvs ...
    Benjamin CaldwellBenjamin Caldwell
    Nov 2, 2012 at 11:02 pm
    Nov 8, 2012 at 9:31 pm
  • Is there a way of executing SAS codes in R environment? Peter Maclean Department of Economics UDSM
    Peter MacleanPeter Maclean
    Nov 7, 2012 at 6:24 pm
    Nov 8, 2012 at 3:40 pm
  • Hello, I have a data which looks like below: Some of the patients have multiple diagnosis. ID(200 patients) Diag (100 unique Diag-200 in general) Proc (50 uniqe Proc) DOB (200) Gender (200) a daig1 b ...
    Farnoosh sheikhiFarnoosh sheikhi
    Nov 6, 2012 at 8:37 pm
    Nov 7, 2012 at 7:13 pm
  • Hello, I am attempting to use optim under the default Nelder-Mead algorithm for model fitting, minimizing a Chi^2 statistic whose value is determined by a .C call to an external shared library ...
    Paul BrownePaul Browne
    Nov 3, 2012 at 6:15 pm
    Nov 6, 2012 at 11:29 am
  • Hi, I have the following data: idr schyear year 1 8 0 1 9 1 1 10 NA 2 4 NA 2 5 -1 2 6 0 2 7 1 2 8 2 2 9 3 2 10 4 2 11 NA 2 12 6 3 4 NA 3 5 -2 3 6 -1 3 7 0 3 8 1 3 9 2 3 10 3 3 11 NA What I want to do ...
    Christopher DesjardinsChristopher Desjardins
    Nov 3, 2012 at 5:14 pm
    Nov 4, 2012 at 1:39 pm
  • Dear Fellow R Users, I am having a problem with the Matrix package, in Windows XP on R 2.15.1 . This is the only package where I experience this. I remove the package first, re install, and then when ...
    Uzuner, Tolga IUzuner, Tolga I
    Nov 13, 2012 at 12:06 pm
    Dec 6, 2012 at 5:20 pm
  • Hi, how are you? I have 1000 total columns with 100 rows and I have shown 4 columns of 100 rows below. I want the zeros to be read in as numerical or integer values rather than a character. Right now ...
    IembryIembry
    Nov 28, 2012 at 5:35 am
    Nov 28, 2012 at 4:11 pm
  • Hi, I would like to know if there is a special package that could help me Import/Export excel files to/from R, without changing the file type (*.csv ...) ? I have tried several packages and non of ...
    OsamaabusinniOsamaabusinni
    Nov 25, 2012 at 11:16 am
    Nov 26, 2012 at 9:54 am
  • How to call a function from another r file ? Anyone can help me . Having a function named like fun1 which is saved in r file file1.r and i have another r file like file2.r, and i need to call the ...
    SheenmariaSheenmaria
    Nov 24, 2012 at 5:35 am
    Nov 26, 2012 at 9:01 am
  • I have two issues. 1-I am trying to use morphology to identify gender. I have 9 variables, both continuous and categorical. I was using two-step cluster analysis in SPSS because two-step could deal ...
    KitKatKitKat
    Nov 15, 2012 at 6:14 pm
    Nov 22, 2012 at 6:32 pm
  • As described @ https://stat.ethz.ch/pipermail/r-help/2012-November/329442.html I now know how to prepare my netCDF data specifying gas concentrations over a 3D space (dimensions longitude, latitude, ...
    Tom RocheTom Roche
    Nov 18, 2012 at 2:43 pm
    Nov 18, 2012 at 9:03 pm
  • Hello All, Having some issue with local machine, I need to locate myself on Amazon for running R and Hadoop with Amazon instance. After searching a lot, I can't able to take a decision for choosing ...
    Vignesh PrajapatiVignesh Prajapati
    Nov 7, 2012 at 10:32 am
    Nov 13, 2012 at 6:36 pm
  • Dear list members, I am looking for a goodness of test that will tell me if a sample is likely to have come from a standard normal distribution. I can find plenty of omnibus tests for normality in ...
    Herschtal AlanHerschtal Alan
    Nov 9, 2012 at 12:23 am
    Nov 12, 2012 at 7:01 am
  • Hi everybody, I am beginer in R and I need your precious help. I want to create a small function in R as in sas to retrieve date. I have a file with data that import in R. DATE PAYS nb_pays.ILI. 1 ...
    AnoumouAnoumou
    Nov 10, 2012 at 1:21 pm
    Nov 10, 2012 at 8:20 pm
  • I know this seems like a very easy question (and maye it is) but I've been trying to simulate nested data and been unsucessful so far.. I want to simulate a varying number of species within a group ...
    Andrea GoijmanAndrea Goijman
    Nov 9, 2012 at 7:16 pm
    Nov 9, 2012 at 8:44 pm
  • Dear all, as you can see from the code I want to create *a panel of 11 contour plots through a iteration process*. I found a thread that address the issue of plotting many contour.plots in the same ...
    Loukia SpineliLoukia Spineli
    Nov 8, 2012 at 1:11 pm
    Nov 9, 2012 at 12:16 pm
  • Folks, I have a data frame with columns 200401, 200402, ..., 201207, 201208. These represent years/months. What would be the best way to sum these columns by year? What about by quarter? Thanks for ...
    Keith WeintraubKeith Weintraub
    Nov 7, 2012 at 5:32 pm
    Nov 8, 2012 at 5:21 am
  • Hi I am a new fan of R after getting mad with the graphical functional in SPSS. I have been able to create a nice looking Kaplan Meyer graph using Survplot function. However I have difficulties in ...
    Maziar.mohaddesMaziar.mohaddes
    Nov 6, 2012 at 4:10 pm
    Nov 7, 2012 at 2:09 pm
  • I have a question about the Reduce function: x <- list() x[[1]] <- LETTERS[1:5] x[[2]] <- LETTERS[11:15] Reduce(paste, x) [1] "A K" "B L" "C M" "D N" "E O" How do I get this?: [1] "A" "K" [2] "B" "L" ...
    MdvaanMdvaan
    Nov 1, 2012 at 6:47 pm
    Nov 6, 2012 at 9:11 pm
  • Hello All, I have a .csv file( contents shown) below, where I need to calculate mean(for example) for only the rows highlighted in bold. (i.e. in this example case I need to exclude the first row and ...
    Siddu479Siddu479
    Nov 4, 2012 at 2:40 pm
    Nov 6, 2012 at 12:08 pm
  • Using the following bit of R, I'm wondering if there is a way to override/manipulate/replace the date in one xts time series with the date of another xts time series while not affecting/changing the ...
    Eric MorwayEric Morway
    Nov 2, 2012 at 11:55 am
    Nov 3, 2012 at 5:03 pm
  • Hi, I have a very large data set (aprox. 100,000 rows.) The data comes from around 10,000 "groups" with about 10 entered per group. The values are in one column, the group ID is an integer in the ...
    Noah SilvermanNoah Silverman
    Nov 29, 2012 at 6:55 pm
    Dec 1, 2012 at 6:34 pm
  • Hi list, I am writing a for loop that looks like this: samples<-rep(NA,10) x <- rep(c(111, 225), 5) for(i in 1:10){ If(x[i]<200){ samples[i] <- x[i] }else{ i=i-1 } } The problem is that the returning ...
    C WC W
    Nov 29, 2012 at 9:55 pm
    Nov 30, 2012 at 12:55 am
  • Hi, I am trying to convert a colleague from using SPSS to R, but am having trouble generating a result that is similar enough to a bootstrapped cox regression analysis that was run in SPSS. I tried ...
    Eric ClausEric Claus
    Nov 29, 2012 at 4:00 pm
    Nov 29, 2012 at 10:02 pm
  • R 2.15.1 OS X and Windows Colleagues, I have a file that looks that this: TABLE NO. 1 PTID TIME AMT FORM PERIOD IPRED CWRES EVID CP PRED RES WRES 2.0010E+03 3.9375E-01 5.0000E+03 2.0000E+00 ...
    Fisher DennisFisher Dennis
    Nov 28, 2012 at 5:42 pm
    Nov 29, 2012 at 5:08 am
  • All - I have a data frame data.a ID valueA valueB 6 12 12 17 15 14 58 18 16 98 11 12 73 19 20 84 19 14 58 20 14 24 11 12 81 15 16 21 15 14 62 14 12 67 13 14 78 13 17 35 10 13 13 11 15 14 17 18 85 16 ...
    Steven RanneySteven Ranney
    Nov 27, 2012 at 10:17 pm
    Nov 28, 2012 at 8:05 am
  • Hello, Suppose that i have a dataframe a <- read.dta("banca_impresa.dta") i have a column with 17900 obs like 1 2 3 1 6 7 8 3 4 4 and i want to know the number of the different values so in this case ...
    Hard CoreHard Core
    Nov 26, 2012 at 10:20 am
    Nov 26, 2012 at 6:40 pm
  • Dear R-ers, I am currently running some Wilcoxon tests in R-64. How do I find the degrees of freedom in the output I am receiving? Wilcoxon rank sum test with continuity correction data: good$TRUE ...
    Sm2284Sm2284
    Nov 25, 2012 at 12:55 pm
    Nov 26, 2012 at 1:04 am
Group Navigation
period‹ prev | Nov 2012 | next ›
Group Overview
groupr-help @
categoriesr
discussions807
posts2,880
users727
websiter-project.org
irc#r

727 users for November 2012

Arun: 173 posts David Winsemius: 138 posts Rui Barradas: 117 posts R. Michael Weylandt: 71 posts Jim Holtman: 59 posts Duncan Murdoch: 50 posts Bert Gunter: 45 posts William Dunlap: 42 posts Jeff Newmiller: 40 posts Sarah Goslee: 40 posts Berend Hasselman: 33 posts John Kane: 32 posts Sam Steingold: 32 posts Uwe Ligges: 31 posts Marc Schwartz: 28 posts PIKAL Petr: 25 posts David L Carlson: 24 posts Frespider: 24 posts Jean V Adams: 24 posts Rolf Turner: 23 posts
show more
Archives