Grokbase Groups R r-help April 2014
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400 discussions - 1,222 posts

  • Using install.package('XML') command produces this error: trying URL ' http://watson.nci.nih.gov/cran_mirror/bin/windows/contrib/3.0/XML_3.98-1.1.zip ' Content type 'application/zip' length 4288136 ...
    Alpesh PandyaAlpesh Pandya
    Apr 11, 2014 at 3:10 pm
    Jan 9, 2015 at 7:02 pm
  • I'm sure this is pretty simple, but it's Friday afternoon, and I just don't see it... In a data frame with a categorical/character factor, I want to add another column giving, for each observation, ...
    Michael FriendlyMichael Friendly
    Apr 11, 2014 at 8:40 pm
    Apr 12, 2014 at 6:08 pm
  • Hi, I want to apply a custom function to all the elements of one matrix. The function uses the value in the same i,j in a second matrix. How can I use apply() or similar function to avoid nested ...
    Waichler, Scott RWaichler, Scott R
    Apr 30, 2014 at 5:54 pm
    May 1, 2014 at 4:45 pm
  • Hi, I am trying to add some pie charts in a list of coordinates. Please find attached data I am using Basically I am using this commands: data<-read.csv(file.choose(),header=T) coordinates(data) = ~ ...
    DrunkenphdDrunkenphd
    Apr 12, 2014 at 11:20 pm
    Apr 16, 2014 at 10:56 am
  • Dear all, Anyone knows how to generate a vector of Normal distributed values (for example N(0,0.5)), but with a sum-to-zero constraint?? The sum would be exactly zero, without decimals. I made some ...
    Marc Marí Dell'OlmoMarc Marí Dell'Olmo
    Apr 1, 2014 at 12:56 pm
    Apr 2, 2014 at 7:54 am
  • What data exist on the growth of CRAN? John Fox published some data on it in 2009 ("Aspects of the Social Organization and Trajectory of the R Project", R Journal, ...
    Spencer GravesSpencer Graves
    Apr 13, 2014 at 4:59 pm
    Apr 14, 2014 at 3:31 pm
  • Hello! I am using the metafor package for my master's thesis as an R-newbie. While calculating effectsizes from my dataset (mean values and standarddeviations) using "escalc" shouldn't be a problem ...
    Verena WeinbirVerena Weinbir
    Apr 24, 2014 at 12:15 pm
    May 26, 2014 at 8:56 am
  • Hi, I have this problem: K candidates apply for a job. There are R referees available to review their resumes and provide feedback. Suppose that we would like M referees to review each candidate (M < ...
    Ravi VaradhanRavi Varadhan
    Apr 30, 2014 at 5:48 pm
    May 1, 2014 at 9:19 pm
  • Hey All I am trying to read in a small text file using read.table. dput(sim) structure(list(ï...X. = 1:7, Y1 = c(2.5501, 4.105, 5.4687, 7.0009, 8.5066, 9.785, 11.5167), Y2 = c(2.5501, 4.105, 5.4687, ...
    Pavneet AroraPavneet Arora
    Apr 14, 2014 at 2:52 pm
    Apr 26, 2014 at 1:47 pm
  • Is there a package that contains "moses extreme reaction test"? Thank's
    José Trujillo CarmonaJosé Trujillo Carmona
    Apr 8, 2014 at 5:37 pm
    Apr 9, 2014 at 6:48 am
  • Hi Team, I was using your "psych" package for factor analysis and was also comparing the results with SAS results. I have some suggestions and/or confusions regarding the fa() function in the ...
    Sagnik chakravartySagnik chakravarty
    Apr 8, 2014 at 6:13 am
    Sep 1, 2014 at 10:05 am
  • Hi, I am trying to get the R package Cairo installed. I've been successfully in building the latest version of Cairo library (1.12.16, http://cairographics.org/) from source and installed into ...
    Fong Chun ChanFong Chun Chan
    Apr 28, 2014 at 7:26 pm
    Apr 30, 2014 at 11:53 am
  • This really isn't about R, but configuring R. We're running R 3.0.2-1, the current default package, on CentOS 6.5 On a long-running job, R is creating files in /dev/shm: each set of three files are ...
    Mark RothMark Roth
    Apr 23, 2014 at 1:58 pm
    Apr 24, 2014 at 2:05 pm
  • Hi. I am new to POSIX and I'd like to understand the reason of this difference. dt1 = as.POSIXct("2014-03-29 09.00", format="%Y-%m-%d %H.%M") dt2 = as.POSIXct("2014-03-30 09.00", format="%Y-%m-%d ...
    Nicola Sturaro SommacalNicola Sturaro Sommacal
    Apr 18, 2014 at 4:13 pm
    Apr 20, 2014 at 6:35 pm
  • Hi AK, Thanks very much. I did send you another email with a larger Sample.zip file. The Quantilecode.R which you initially developed for a smaller sample.zip did not complete the task when I used it ...
    ZilefacelvisZilefacelvis
    Apr 15, 2014 at 1:13 am
    Apr 17, 2014 at 4:23 pm
  • Dear useRs, Here are three steps for downloading a file from a certain website in R. Here you see that in "URL" command (west=68.25&north=24.75&east=68.25&south=24.75) are actually the first and ...
    Eliza bottoEliza botto
    Apr 11, 2014 at 6:36 pm
    Apr 14, 2014 at 9:55 am
  • Hello List, I have an array like: c(4, 3, 5, 4, 2, 2, 2, 4, 2, 6, 6, 7, 5, 5, 5, 10, 10, 11, 10, 12, 10, 11, 9, 12, 10, 36, 35, 36, 36, 36, 35, 35, 36, 37, 35, 35, 38, 35, 38, 36, 37, 36, 36, 37, 36, ...
    Simone GabbrielliniSimone Gabbriellini
    Apr 10, 2014 at 6:49 pm
    Apr 11, 2014 at 10:43 am
  • Hello All, I have multiple plots that I want to save it a single file. At the moment, I am saving as pdf. Each plot has a qqnorm, qqline, tiny histogram in the top left graph with its density drawn ...
    Pavneet AroraPavneet Arora
    Apr 15, 2014 at 10:27 am
    Apr 23, 2014 at 9:44 am
  • Hello: What would you suggest I use to read and manipulate an SVG file? I'd like to extract components of an svg file. I see it's XML, but I have very little experience with either SVG or XML. I've ...
    Spencer GravesSpencer Graves
    Apr 21, 2014 at 7:30 am
    Apr 21, 2014 at 4:06 pm
  • Dear all I understand the definition of Natural Cubic Splines are those with linear constraints on the end points. However, it is hard to think about how this can be implement when df=2. df=2 implies ...
    Xing ZhaoXing Zhao
    Apr 15, 2014 at 8:14 am
    Apr 17, 2014 at 5:22 am
  • R-helpers: One of the minor irritations I have is copying paths from Windows explorer, which look like: C:\Program Files\R\R-3.0.3 and using them in a setwd() statement, since the "\" is, of course, ...
    Jonathan GreenbergJonathan Greenberg
    Apr 8, 2014 at 3:00 pm
    Apr 9, 2014 at 4:32 pm
  • Dear R community, hello, Hope everybody is doing great. I just downloaded R version 3.1.0, and, whenever I try to load the forecast package, the following error message appears: Error in ...
    Paul BernalPaul Bernal
    Apr 28, 2014 at 3:22 pm
    Apr 28, 2014 at 4:34 pm
  • Dear all, I have a matrix (dimension, 16 x 12) where 2nd column represents class (1,1,1,1,1,2,2,2, etc) information. I want to estimate average and median values for each of the class and add this ...
    Nico MetNico Met
    Apr 27, 2014 at 12:37 am
    Apr 28, 2014 at 10:54 am
  • Hi, Im trying to plot a linear line on the scatter plot using the pairs() function. At the moment the line is non linear. However, I want a linear line and the associated R value. Here is my current ...
    Shane CareyShane Carey
    Apr 25, 2014 at 10:26 am
    Apr 25, 2014 at 11:57 am
  • Hi again, I am looking some way to download this data: http://www.cmegroup.com/trading/interest-rates/stir/eurodollar_quotes_openOutcry.html So far I have tried following code: library(XML) data <- ...
    Christofer BogasoChristofer Bogaso
    Apr 8, 2014 at 7:40 pm
    Apr 22, 2014 at 8:13 pm
  • *dear all,I have a bimodal distribution and i would like to identify the two most frequent values. Using unimodal values i found from the R archive that is possible to identify the most frequent ...
    Luigi MarongiuLuigi Marongiu
    Apr 21, 2014 at 6:24 pm
    Apr 22, 2014 at 1:25 pm
  • Hello, I have the following problem. I stratified my patient cohort into three ordered groups and performed multivariate adjusted Cox regression analysis on each group separately. Now I would like to ...
    Mkleber74Mkleber74
    Apr 14, 2014 at 10:20 am
    Apr 16, 2014 at 8:48 pm
  • Hi to everyone! I need to plot a box plot but I don't have the original data, is it possible to make it just with the median, mean, sd and range of values? Any idea is welcome. Thanks in advance.
    Mª Teresa Martinez SorianoMª Teresa Martinez Soriano
    Apr 4, 2014 at 6:36 am
    Apr 11, 2014 at 10:57 am
  • dear sir i want to simulate multivariate ordinal data matrix with categories (1,4) and n=1000 and p=10. thanks alot thanoon
    Thanoon younisThanoon younis
    Apr 4, 2014 at 12:10 pm
    Apr 10, 2014 at 12:55 pm
  • Hi all, I'm trying to use deSolve to solve a series of differential equations with rk4 mimicking a SEIR model, while including an event/function that is not solely time-dependent. Explicitly: I want ...
    Aimee KopolowAimee Kopolow
    Apr 2, 2014 at 3:51 am
    Apr 5, 2014 at 7:52 pm
  • Dear all, I have a problem in installing the the package "zelig". I have window 32 bit operating system and R- 3.0.1 version. "zelig' package is not compatible with R-3.0.1 version. Please help me ...
    Ramesh DasRamesh Das
    Apr 29, 2014 at 2:12 pm
    Apr 30, 2014 at 9:04 am
  • Dear all, I am trying to use the lattice plot, but the syntax is quite difficult. Specifically I have eight variables (1 to 8) each of them further subdivided in two classes (negative=0 and ...
    Luigi MarongiuLuigi Marongiu
    Apr 26, 2014 at 4:06 pm
    Apr 29, 2014 at 11:31 pm
  • Hello, I want to subset a data.frame containing the variables "Date" in (%Y %m %d ) and "N". I want to print "Date" and "N" if N is less than or equal to 0.3 and if "N" is also less than or equal to ...
    Christoph SchlächterChristoph Schlächter
    Apr 28, 2014 at 8:37 am
    Apr 29, 2014 at 4:03 pm
  • Hi, I am using hclust and cutree to cluster a data frame y and cut it into few clusters as follows y V1 V2 V3 V4 A 1 2 3 4 B 5 6 7 8 C 9 10 11 12 D 13 14 15 16 E 17 18 19 20 Call: hclust(d = dist(y), ...
    chris Jhonchris Jhon
    Apr 26, 2014 at 1:35 am
    Apr 28, 2014 at 3:49 pm
  • Dear Rs, I am re-executing some older code. It does work in the ancient R 2.12.0 which I still have on my PC but with the new version R 3.1.0 it does not work any more (but some other new stuff, ...
    Werner W.Werner W.
    Apr 25, 2014 at 4:17 pm
    Apr 28, 2014 at 11:06 am
  • I am processing an arbitrary number of XML files and extracting specific nodes. I then create a dataframe for each nodeset. I return a list containing these dataframes. Example: $ :'data.frame': 1 ...
    Timothy W. CookTimothy W. Cook
    Apr 21, 2014 at 8:40 pm
    Apr 22, 2014 at 9:14 am
  • Respected Fellows, I need little bit guidance regarding, how Can I Extract/Calculate/Measure width and length of each every shape in .eps file. EPS file is being generated from Adobe Illustrator. I ...
    Muhammad Abdur Rehman KhawajaMuhammad Abdur Rehman Khawaja
    Apr 16, 2014 at 1:35 pm
    Apr 18, 2014 at 5:22 pm
  • I'm trying to see if & how I can use coord_trans() with ggplot2 to transform the Y axis of a plot on the logit scale to the probability scale, as opposed to recalculating everything "manually" and ...
    Michael FriendlyMichael Friendly
    Apr 17, 2014 at 2:03 am
    Apr 17, 2014 at 6:35 pm
  • Dear R Community, I am having some trouble with a task that I hope you might be able to help with. I have a dataset that includes the time and corresponding stream discharge from numerous storms ...
    Steve E.Steve E.
    Apr 16, 2014 at 7:01 pm
    Apr 17, 2014 at 4:18 pm
  • I've recently started using R for spatial data. I'd be really grateful if you could could help me with this. Thanks! Sorry I don't provide a reproducible example. Please ask me if you have any ...
    Beatriz R. Gonzalez DominguezBeatriz R. Gonzalez Dominguez
    Apr 16, 2014 at 6:22 am
    Apr 16, 2014 at 11:33 am
  • Hi all: I met a question about the output of plot. I want to output 3 plots. Method1: by function histogram{lattice} Method2: by function hist{graphics} But method1 failed(the output is empty),and ...
    MengMeng
    Apr 15, 2014 at 1:46 am
    Apr 15, 2014 at 11:48 pm
  • Hello: Do you know of a simple function to return the value of a named element of a list if that exists, and return a default value otherwise? It's an easy function to write (e.g., below). I plan to ...
    Spencer GravesSpencer Graves
    Apr 15, 2014 at 3:53 pm
    Apr 15, 2014 at 9:08 pm
  • Dear Folks-- I have a file with 3 million-odd rows of data from the 2007 U.S. Economic Census. I am trying to pare it down to a subset of rows that both (1) has any one of a vector of NAICS economic ...
    Andrew HoernerAndrew Hoerner
    Apr 12, 2014 at 12:36 pm
    Apr 13, 2014 at 12:19 am
  • How can I convert "plot(0, 1)" into "plot(x=0, y=1)"? More generally, how can I get argument names assigned to function calls in "language" objects? Example: tstFn <- function()plot(0, 1) bo <- ...
    Spencer GravesSpencer Graves
    Apr 7, 2014 at 10:05 pm
    Apr 9, 2014 at 9:29 pm
  • I have the following: GHP GP T Tn 28 2.2194 2.6561 2.9007 3.2988 [1] 33.0000 29.0000 2.9007 3.2988 So basically how do I get this to show the correct value of 2.21 as my minimum value? Thanks, Sachin
    Sachinthaka AbeywardanaSachinthaka Abeywardana
    Apr 9, 2014 at 6:11 am
    Apr 9, 2014 at 1:25 pm
  • Hello folks, When I use the lines function below it connects all my points but then draws a line back to the start point. Any suggestions on what is going on?? mydata ...
    David DoyleDavid Doyle
    Apr 8, 2014 at 2:20 am
    Apr 9, 2014 at 5:23 am
  • I have a 3-dimentional data set with dimensions "longitude", "latitude", and "time". Unfortunately, when I look at the range of values in the data set, I noticed some very extremely large(positive ...
    Mamuash bukanaMamuash bukana
    Apr 8, 2014 at 1:50 pm
    Apr 8, 2014 at 4:54 pm
  • Dear R-user, May I seek your suggestion on an issue. I'm fitting non-linear mixed effects model as a part of my large R program. But sometimes I get error messages from it and the code stops ...
    Naser JamilNaser Jamil
    Apr 6, 2014 at 10:21 am
    Apr 7, 2014 at 9:21 pm
  • Hello! I'm trying to plot a 3D dataset as a scatter-plot, coding Z-axis values with point size. I pass the following parameters to "plot" function: type = 'p', pch = 16, cex = ...
    Андрей ПарамоновАндрей Парамонов
    Apr 7, 2014 at 6:33 am
    Apr 7, 2014 at 4:14 pm
  • Dear useRs, I have a matrix of 120 row and 1000 columns.What I want is to get an average of a set of 12 rows starting from 1 till 120 for each column. Precisely, for column 1 the average of 1:10 ...
    Eliza bottoEliza botto
    Apr 4, 2014 at 6:08 pm
    Apr 7, 2014 at 4:10 pm
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