Grokbase Groups R r-help August 2010
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949 discussions - 3,509 posts

  • I don't see much in the way of an ability to write reports in R the way you can with SAS. You basically have to write a program with R in a 3G way unlike SAS with it's 4G proc print and proc report ...
    Donald Paul WinstonDonald Paul Winston
    Aug 19, 2010 at 6:52 am
    Aug 23, 2010 at 9:46 pm
  • Hi folks, File to be used is on; data(InsectSprays) I can't figure out where to insert it on following command; test01 <- read.csv(fil.choose(), header=TRUE) Please help. TIA B.R.
    Stephen LiuStephen Liu
    Aug 13, 2010 at 3:34 am
    Aug 17, 2010 at 6:39 am
  • Hi, I need some opinion. I would like to use graph that I generate from R code and save it into word document. Which format is better? pdf, jpeg or tiff? Thank you.
    Roslina ZakariaRoslina Zakaria
    Aug 20, 2010 at 3:32 am
    Aug 23, 2010 at 12:19 pm
  • Hi folks, Following command prints 2 graphs side-by-side:- layout(matrix(1:2, nrow=1)) plot(Date,Input_No.) plot(Test01$Date, Test01$Input_No.) However each is a square graph I need a rectangular ...
    Stephen LiuStephen Liu
    Aug 26, 2010 at 2:44 pm
    Aug 31, 2010 at 7:38 pm
  • Hi,all I have a problem running R.matlab package (under 2.10.1 version). I can set up the matlab server under local machine(run the MatlabServer.m), " And I can use setVariable and evaluate matlab ...
    MichaelMichael
    Aug 27, 2010 at 11:59 am
    Aug 28, 2010 at 11:48 pm
  • -- View this message in context: http://r.789695.n4.nabble.com/How-to-define-new-matrix-based-on-an-elementary-row-operation-in-a-single-step-tp2341768p2341768.html Sent from the R help mailing list ...
    Cuckovic PaikCuckovic Paik
    Aug 28, 2010 at 1:21 am
    Sep 13, 2010 at 12:32 am
  • Dear R-helpers and graphics gurus, I have two problems with plotting confidence bands: 1. First is relatively simple. I am using the Passing-Bablok procedure to obtain "unbiased" regression ...
    Michal FigurskiMichal Figurski
    Aug 10, 2010 at 2:56 pm
    Feb 11, 2011 at 3:19 am
  • Dear all, I have run into a problem when running some code implemented in the Bioconductor panp-package (applied to my own expression data), whereby gene expression values of known true negative ...
    Samuel WuestSamuel Wuest
    Aug 25, 2010 at 2:20 pm
    Oct 8, 2010 at 2:17 pm
  • Hi Everyone, I recently have started using R again on a Linux box after spending several years on a Mac. Last I checked, the best way to use R was through EMACS using something like ESS. I remember ...
    AlphaaceAlphaace
    Aug 2, 2010 at 3:35 pm
    Sep 12, 2010 at 5:58 pm
  • set.seed(1) x <- rnorm(n = 1000, mean = 0, sd = 1) plot(x = x, asp = 2000) Could someone please explain what the 'asp' parameter is doing?
    R.ookieR.ookie
    Aug 19, 2010 at 9:13 pm
    Aug 23, 2010 at 10:52 pm
  • I am sorry, I'd like to split my column ("names") such that all the beginning of a string ("X..") is gone and only the rest of the text is left ...
    Dimitri LiakhovitskiDimitri Liakhovitski
    Aug 4, 2010 at 5:42 pm
    Aug 5, 2010 at 9:24 am
  • Hello, I am using package MuMIn to calculate AIC for a full model with 10 explanatory variables. Thanks in advance in sharing your experience. Q1 In the AIC list of all models, each model is ...
    Elaine kuoElaine kuo
    Aug 17, 2010 at 8:05 am
    Aug 19, 2010 at 10:52 pm
  • Dear all, I have one dependent variable y and two independent variables x1 and x2 which I would like to use to explain y. x1 and x2 are design factors in an experiment and are not correlated with ...
    Michael HaenleinMichael Haenlein
    Aug 3, 2010 at 1:10 pm
    Aug 4, 2010 at 1:38 pm
  • I'm experimenting using R as a report writer. I'm told LaTex is the destination for my quest. But ?latex() gives me an error. The package manager does not have it. The package installer can't find ...
    Donald Paul WinstonDonald Paul Winston
    Aug 20, 2010 at 4:18 am
    Aug 20, 2010 at 9:58 pm
  • Hi everyone! I'm matching two samples to create one sample that have pairs of observations equal for the k1 variable. Merge() doesn't work because I dont't want to recycle the values. x <- ...
    Cecilia CarmoCecilia Carmo
    Aug 20, 2010 at 10:44 am
    Aug 20, 2010 at 2:03 pm
  • I need the parameters estimated for a non-linear equation, an example of the data is below. rm(list=ls()) Time<-c( 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 8, 8, 8, ...
    Marlin Keith CoxMarlin Keith Cox
    Aug 26, 2010 at 5:35 pm
    Sep 1, 2010 at 2:32 pm
  • Hi I'd appreciate some help with plotting odds ratios. I want to rotate the labels on the x-axis by 45 degrees. The usual way of doing this, using text - e.g. text(1, par('usr')[3]-2.25..) - gives no ...
    Tim Elwell-SuttonTim Elwell-Sutton
    Aug 24, 2010 at 1:44 am
    Aug 27, 2010 at 2:51 pm
  • hello people, I want to make a biased dice using the sample() function and print out the results after n number of runs, I've successfully generated the dice using the following command ...
    Philip WongPhilip Wong
    Aug 18, 2010 at 9:18 am
    Aug 19, 2010 at 4:27 pm
  • Hello. I don't uderstant when to use textConnection and when not. Some examples do it, some not. I've even seen something like con <- textConnection(rev(rev(ReadLines('data.txt'))[-(1:2])) data <- ...
    SkanSkan
    Aug 16, 2010 at 4:37 pm
    Aug 17, 2010 at 12:57 am
  • Hi folks, OS - Ubuntu 10.04 On R I create a datafile named "data". I can evoke it on R with; On R Commander Data - Active data set - Select active data set - (data) OK only one data set there "data" ...
    Stephen LiuStephen Liu
    Aug 12, 2010 at 7:43 am
    Aug 12, 2010 at 4:00 pm
  • Dear all, I?m having trouble getting a list of regression variables back into a dataframe. mydf <- data.frame(x1=rnorm(100), x2=rnorm(100), x3=rnorm(100)) ...
    MolepsMoleps
    Aug 9, 2010 at 11:51 am
    Aug 9, 2010 at 11:11 pm
  • Note I'm not asking for any legal advice here obviously, simply what the intention of the R foundation is with regard to allowing commercial connection to R. I've looked at various threads on the ...
    Tom QuarendonTom Quarendon
    Aug 6, 2010 at 8:23 am
    Aug 6, 2010 at 4:14 pm
  • I am conducting an experiment with four independent variables each of which has three or more factor levels. The sample size is quite large i.e. several thousand. The dependent variable data does not ...
    WwreithWwreith
    Aug 2, 2010 at 1:33 pm
    Aug 3, 2010 at 3:26 pm
  • hello, i want to stack two lattice plots beneath each other using one x-axis and sharing the same text-panels, like: ##################################################################### ...
    Kay CichiniKay Cichini
    Aug 25, 2010 at 3:04 pm
    Aug 31, 2010 at 11:54 pm
  • Given a data frame, or it could be a matrix if I choose to. The data consists of an ID, a year, and data for all 12 months. Missing values are a factor AND missing years ...
    Steven mosherSteven mosher
    Aug 7, 2010 at 8:49 pm
    Aug 8, 2010 at 10:08 pm
  • Hi folks, Where can I find document re "how to read anova output"? Google found many of them. But seemingly non of them can explain to me following output:- Analysis of Variance Table Response ...
    Stephen LiuStephen Liu
    Aug 18, 2010 at 7:42 am
    May 7, 2012 at 5:15 pm
  • Hi, The following two 'df's should be the same, although their constructions are different. But the results of paste() are different. I don't see this is explained in ?paste. Could you help me ...
    Thmsfuller066Thmsfuller066
    Aug 2, 2010 at 1:48 am
    Oct 6, 2010 at 8:22 pm
  • Hi, I am running a Cox Mixed Effects Hazard model using the library coxme. I am trying to model time to onset (age_sym1) of thought problems (e.g. hearing voices) (sym1). As I have siblings in my ...
    Christopher David DesjardinsChristopher David Desjardins
    Aug 4, 2010 at 5:22 pm
    Sep 5, 2010 at 10:09 pm
  • dear R experts: has someone written a function that returns the results of by() as a data frame? ??of course, this can work only if the output of the function that is an argument to by() is a ...
    Ivo welchIvo welch
    Aug 30, 2010 at 1:19 pm
    Aug 30, 2010 at 9:36 pm
  • All, I have been trying to get calls to hist(...) to be plotted with the y-axis having a log scale. I have tried: par(ylog=TRUE) I have also looked at the histogram package. Suggestions welcome. -- ...
    Derek M JonesDerek M Jones
    Aug 30, 2010 at 1:58 am
    Aug 30, 2010 at 9:04 pm
  • How to remove all R objects in the RAM except for a few specified ones? rm(list=ls()) removes all R objects in the R work space. Another question is that whether removing all R objects actually ...
    Cheng PengCheng Peng
    Aug 23, 2010 at 7:00 pm
    Aug 25, 2010 at 1:15 pm
  • I want to make a graph where each element plotted is itself a graph. I can see how to use par(fig=) and viewport to do that, but they require (i think) me to do my own scaling as they are scaled to ...
    Bernard LeemonBernard Leemon
    Aug 21, 2010 at 7:40 pm
    Aug 24, 2010 at 5:13 pm
  • hello everyone, i sampled 100 stands at 20 restoration sites and presence of 3 different invasive plant species. i came across logistic regression trees and wonder if this is suited for my purpose - ...
    Kay CichiniKay Cichini
    Aug 19, 2010 at 8:42 pm
    Aug 22, 2010 at 1:33 pm
  • Hi, When I plot, the axis ticks are printed as "50.00 25.00 10.00 1.00 0.05 0.01", is there any way to print them as "50 25 10 1 0.05 0.01" instead? Thanks John
    Array chipArray chip
    Aug 16, 2010 at 7:53 pm
    Aug 16, 2010 at 10:57 pm
  • Hi, I want to build the table of a football league with 11 teams. All play together. So will 55 games. Since there are an odd number of teams in each round a team will not play. The games will be ...
    SilvanoSilvano
    Aug 13, 2010 at 11:30 am
    Aug 16, 2010 at 11:10 am
  • # how would I code in R to look at the letter of the alphabet # in the second column and create a indicator column for the # corresponding letter? data(InsectSprays) InsectSprays$spray
    TGSTGS
    Aug 13, 2010 at 5:03 pm
    Aug 15, 2010 at 3:17 am
  • Dear helpeRs, I have a dataframe (14947 x 27) containing measurements collected every 5 seconds at several different sampling locations. If one measurement at a given location is less than zero on a ...
    Toby GassToby Gass
    Aug 12, 2010 at 7:11 pm
    Aug 12, 2010 at 10:39 pm
  • Hi folks, Debian 504 64 bit grDevices is NOT on Debian repo $ apt-cache search r-cran | grep grDevices no printout On R $ sudo R Warning in install.packages("grDevices") : argument 'lib' is missing ...
    Stephen LiuStephen Liu
    Aug 31, 2010 at 11:50 am
    Feb 11, 2011 at 10:43 pm
  • Dear friends, two years ago (as I found on the web) Paul sent the following message but I was not able to find if he got an answer. Today I have the same question and it would be great if I could ...
    Iasonas LamprianouIasonas Lamprianou
    Aug 30, 2010 at 8:05 pm
    Aug 31, 2010 at 8:52 pm
  • Hi Ricardo and everybody In this old post to rhelp you say that the problem was solved but not what the sollution was. I have the same problem now. I want to read a Excel file from a google site that ...
    Christiaan pauwChristiaan pauw
    Aug 18, 2010 at 6:58 pm
    Aug 27, 2010 at 11:13 am
  • Hello, Is there a simple way to get the class type for each column of a data.frame? I am in the situation where I would like to get all the columns of a data.frame that are factors. I have tried ...
    Daniel BrewerDaniel Brewer
    Aug 26, 2010 at 3:31 pm
    Aug 26, 2010 at 4:25 pm
  • Dear List, I have a richness data distributing across 20 N to 20 S latitude. (120 E-140 E longitude). I would like to draw the richness in the north hemisphere and a regression line in the plot ...
    Elaine kuoElaine kuo
    Aug 24, 2010 at 11:12 pm
    Aug 26, 2010 at 11:20 am
  • Readers, According to the documentation for the function 'plotmath' there is no apparent possibility to add the percent sign (%) to a plot function, e.g ...
    E-letterE-letter
    Aug 24, 2010 at 1:37 pm
    Aug 26, 2010 at 7:49 am
  • ## Not run: from <- sprintf("<sendmailR@ to <- "<olafm at datensplitter.net " subject <- "Hello from R" msg <- "It works!" sendmail(from, to, subject, msg, ...
    Velappan PeriasamyVelappan Periasamy
    Aug 23, 2010 at 10:44 am
    Aug 24, 2010 at 1:37 pm
  • quizz---what does this produce? dÚta.frame( a=1:1000, b 01:3000, z= 5001:6000 ) attach(d); c <- (a+b) 25; detach(d) d= subset(d, TRUE, select=c( a, b, c )) yes, I know I have made a mistake, in that ...
    Ivo welchIvo welch
    Aug 23, 2010 at 9:51 pm
    Aug 24, 2010 at 1:13 pm
  • Hi, I have an upcoming project that will involve a large text file. I want to 1. read the file into R one line at a time 2. do some string manipulations on the line 3. write the line to another text ...
    Data Analytics Corp.Data Analytics Corp.
    Aug 15, 2010 at 2:58 pm
    Aug 19, 2010 at 10:25 am
  • Hi R-users, I have a function (myfun) that I want to apply to the rows of a matrix. Basically, "myfun" takes the values from the matrix ("exp.des"), which represent the different combinations of my ...
    Lorenzo CattarinoLorenzo Cattarino
    Aug 11, 2010 at 11:51 pm
    Aug 13, 2010 at 1:11 am
  • Hi, R-helpers, I am working on a problem of measurement error modeling. (I am new to this filed) The model I am dealing with is simple. Consider a linear regression y= beta0 + beta1 * x + error, in ...
    Carrie LiCarrie Li
    Aug 2, 2010 at 3:04 am
    Aug 11, 2010 at 6:19 am
  • a closer look to the help on predict.glm will reveal that the function accepts a 'type' argument. In you case 'type = response' will give you the results in probabilities (that it seems to be what ...
    Guazzetti StefanoGuazzetti Stefano
    Aug 7, 2010 at 5:25 am
    Aug 7, 2010 at 2:43 pm
  • Hi, I've got some boolean data in a data.frame in the form: X Y Z A B C [1] T T F T F F [2] F T T F F F . . . What I want to do is create a new column which is the logical disjunction of several of ...
    AlastairAlastair
    Aug 2, 2010 at 8:35 pm
    Aug 2, 2010 at 10:24 pm
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