Grokbase Groups R r-help January 2012
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775 discussions - 2,704 posts

  • I'm using the levelplot function in the lattice package. I am plotting a grid of cells and I want grid lines drawn between cells. I've spent a lot of time trying different options. I've also looked ...
    David A VavraDavid A Vavra
    Jan 16, 2012 at 8:38 pm
    Apr 17, 2012 at 2:03 am
  • Dear R Users - R is a wonderful software package. CRAN provides a variety of tools to work on your data. But R is not apt to utilize all the public databases in an efficient manner. I observed the ...
    Benjamin WeberBenjamin Weber
    Jan 13, 2012 at 9:14 pm
    Jan 25, 2012 at 5:54 pm
  • I want to create a list of functions in a for loop, with the index of the loop appearing explicitly in the function code. After quite a bit of thrashing around I figured out how to do it. Here is a ...
    Rolf TurnerRolf Turner
    Jan 7, 2012 at 2:43 am
    Jan 8, 2012 at 7:29 pm
  • Hi R-listers, I have developed 47 GLM models with different combinations of interactions from 1 variable to 5 variables. I have manually made each model separately and put them into individual tables ...
    JhopeJhope
    Jan 25, 2012 at 4:41 am
    Jan 27, 2012 at 6:48 pm
  • Dear Rers, is there a way to color counties on a full US map based on a criterion one establishes (i.e., all counties I assign the same number should be the same color)? I explored a bit and looks ...
    Dimitri LiakhovitskiDimitri Liakhovitski
    Jan 13, 2012 at 4:52 pm
    Jan 15, 2012 at 6:33 am
  • People, I'm researching some Bayesian statistic topics and in the midle of my study i found a very simple problem and i'm trying to find a simple package to solve this type of equations: Lets say ...
    ElianoEliano
    Jan 22, 2012 at 6:25 pm
    Jan 24, 2012 at 9:48 pm
  • I have a situation that I cannot resolve by myself. When I try to create a zoo object (with read.zoo() ) I get this error: Error in merge.zoo(`BC-0.5 = c(" 0.000", " 0.010", " 0.010", " 0.060", ...
    Rich ShepardRich Shepard
    Jan 3, 2012 at 4:45 pm
    Jan 4, 2012 at 8:44 pm
  • Hi, I have a data frame with one column containing string of the form "ABC...|XYZ..." where ABC etc are fields of 6 alphanumeric characters each and XYZ etc are fields of 8 alphanumeric characters ...
    Sam SteingoldSam Steingold
    Jan 20, 2012 at 6:52 pm
    Jan 22, 2012 at 10:32 pm
  • Dear all, I have some troubles using the stemming algorithm provided by the tm (text mining) + Snowball packages. Here is my config: MacOS 10.5 R 2.12.0 / R 2.13.1 / R 2.14.1 (I have tried several ...
    Julien VelcinJulien Velcin
    Jan 13, 2012 at 2:49 pm
    Feb 9, 2012 at 2:41 am
  • Hello Everyone, Still new to R. Wrote some code that finds and prints invalid dates (see below). This code works but I suspect it's not very good. If someone could show me a better way, I'd greatly ...
    Paul MillerPaul Miller
    Jan 24, 2012 at 4:54 pm
    Feb 4, 2012 at 2:06 pm
  • Hi All, I want generate data using R that follows the shape of graphs (A and B) in the attached file. Can anybody suggest me what function fits for each graph? Your help is highly appreciated in ...
    ValVal
    Jan 31, 2012 at 3:03 pm
    Feb 1, 2012 at 6:39 pm
  • Hi I want to generate 4 random number which sum up to 100 always Please help ----- Thanks in Advance Arun -- View this message in context ...
    Arunkumar1111Arunkumar1111
    Jan 9, 2012 at 3:06 pm
    Jan 11, 2012 at 12:49 pm
  • Hi, I guess that my problem has an obvious answer, but I have not been able to find it. Suppose I create a custom function, consisting of two beta-distributions: myfunction <- function(x) { ...
    GerhardGerhard
    Jan 3, 2012 at 12:24 pm
    Jan 4, 2012 at 11:13 pm
  • Dear R users, I have been using R for 10 years, and I love it very much. But in my daily job for drug discovery, some people use Spotfire. I tried Spotfire on couple of data sets. It sounds I still ...
    John SmithJohn Smith
    Jan 11, 2012 at 3:13 pm
    Feb 16, 2012 at 3:00 pm
  • Dear All, I'm wondering if there is a R function could give me all the combinations of the grouping/cluster result, given the number of the groups. e.g. 3 objects: x1 x2 x3, number of groups is 2 so ...
    Yan jiaoYan jiao
    Jan 24, 2012 at 5:19 pm
    Jan 26, 2012 at 10:46 pm
  • Dear Forum, I have been wracking my head over this problem for the past few days. I have a dataset of (x,y). I have been able to obtain a nonlinear regression line using nls. However, we would like ...
    Crimsonengineer87Crimsonengineer87
    Jan 17, 2012 at 3:30 pm
    Jan 19, 2012 at 2:38 pm
  • This is my reproducible example (three data frames: a, b, c) a<-structure(list(date = structure(1:6, .Label = c("2012-01-03", "2012-01-04", "2012-01-05", "2012-01-06", "2012-01-07", "2012-01-08", ...
    MaxbreMaxbre
    Jan 26, 2012 at 5:29 pm
    Apr 10, 2012 at 10:43 pm
  • Hi everyone, Speed is the key here. I need to find the difference between a vector and its one-period lag (i.e. the difference between each value and the subsequent one in the vector). Let's say the ...
    Kevin UmmelKevin Ummel
    Jan 28, 2012 at 12:15 am
    Jan 29, 2012 at 5:23 pm
  • Hi al, I am looking for a R command to test the difference of two linear regressoon betas. Lets say I have data x1, x2...x(n+1). beta1 is obtained from regressing x1 to xn onto 1 to n. beta2 is ...
    MichaelMichael
    Jan 27, 2012 at 4:59 am
    Jan 28, 2012 at 1:53 am
  • Hello all. I have two data frames. Group Start End G1 200 700 G2 500 1000 G3 2000 3000 G4 4000 6000 G5 7000 8000 and Pos C0 C1 200 0.9 0.6 500 0.8 0.8 800 0.9 0.7 1000 0.7 0.6 2000 0.6 0.4 2500 1.2 ...
    DoggysaywhatDoggysaywhat
    Jan 13, 2012 at 11:34 am
    Jan 17, 2012 at 10:51 am
  • I am getting the following erro rmessage in ordistep. I have a number of similarly structured datasets using ordistep in a loop, and the message only occurs for some of the datasets. I cannot include ...
    Nevil AmosNevil Amos
    Jan 11, 2012 at 12:55 am
    Jan 12, 2012 at 8:27 pm
  • Hello, I have the following code using rbinom, but I don't understand what *"+1"* means in the code. Could someone help? Thanks so much, -- View this message in context ...
    Lynn.tsaiLynn.tsai
    Jan 4, 2012 at 9:38 pm
    Jan 5, 2012 at 9:16 am
  • Happy New Year all! I am looking for a good solution for keeping record of my experiments - could you please help me? My work is about analysing data... My current work-flow: 1. Everyday my bosses ...
    MichaelMichael
    Jan 1, 2012 at 3:50 pm
    Jan 2, 2012 at 1:28 pm
  • Hi, I would like to know how can I keep adding data to a file while doing a loop and without deleting the data of the previous iteration. Thanks.
    Joao FadistaJoao Fadista
    Jan 6, 2012 at 11:49 am
    Jan 6, 2012 at 6:28 pm
  • I am trying to create a frequency distribution and I am a bit confused. Here are the commands I have entered: After doing that above, I was able to see the freq. distribution of contents in each ...
    CaamCaam
    Jan 18, 2012 at 8:49 pm
    Jan 28, 2012 at 2:14 am
  • I have 2 series of data a,b and I would like to calculate a new series which is z[t] = z[t-1]*a[t] + b[t] , z[1] = b[1]. How can I do that without using a loop? -- View this message in context ...
    PatzoulPatzoul
    Jan 25, 2012 at 6:09 pm
    Jan 26, 2012 at 8:27 pm
  • Hi, i create two constants kilo and milli in [1]. These should be available after loading library(sitools) How should i export them and what have i done wrong? (Other suggestions for improving the ...
    Jonas SteinJonas Stein
    Jan 18, 2012 at 12:40 am
    Jan 25, 2012 at 3:12 pm
  • I'm trying to create a data frame in which some of the column names contain a dash "-". A simple example: d <- data.frame(x = c(0, 1)) d <- data.frame(d, y = c(0,1)) names(d)[2] <- "a.-5" d x a.-5 1 ...
    Mark SeetoMark Seeto
    Jan 24, 2012 at 9:34 am
    Jan 24, 2012 at 4:54 pm
  • Dear all, I am trying to learn Bayesian inference and Bayesian data analysis, I am new in the field. Would any experts on the list recommend any good sites or materials for beginners? My approach is ...
    C WC W
    Jan 19, 2012 at 9:04 pm
    Jan 23, 2012 at 11:01 am
  • Hi @ all, I have question how to mark significant outliers in R. This is my very simple script to plot a regression: TOC_NI<-read.csv2("C:/Users/XYZ/Desktop/Master/Daten/Statistik/TOC-NI.csv", ...
    GeophagusGeophagus
    Jan 10, 2012 at 3:11 pm
    Jan 21, 2012 at 10:20 am
  • The "R Language Definition" at http://cran.r-project.org/doc/manuals/R-lang.html states in the following section 4.3.2 Argument matching This subsection applies to closures but not to primitive ...
    Ajay AskoolumAjay Askoolum
    Jan 19, 2012 at 7:45 pm
    Jan 20, 2012 at 5:40 am
  • Hi, how can i play around with my first selfwritten package [*] without to install it to my debian system? I think of something like doing this: /tmp/$ R R version 2.11.1 (2010-05-31) Copyright (C) ...
    Jonas SteinJonas Stein
    Jan 16, 2012 at 12:51 am
    Jan 18, 2012 at 3:07 am
  • Hello, I have a big dataset with many variables and I would like to consider only the rows in which there is a specific value of a variable. I make an example for explain what I mean: I have 5 ...
    Manu79Manu79
    Jan 12, 2012 at 10:25 pm
    Jan 13, 2012 at 4:51 am
  • ##I have 2 columns of data. The first column is unique "event IDs" that represent a phone call made to a customer. ###So, if you see 3 entries together in the first column like follows ...
    IliketurtlesIliketurtles
    Jan 10, 2012 at 10:02 pm
    Jan 11, 2012 at 1:52 pm
  • --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnewmil at dcn.davis.ca.us Basics: ##.#. ##.#. Live Go... Live: OO#. ...
    Jeff NewmillerJeff Newmiller
    Jan 7, 2012 at 11:35 pm
    Jan 11, 2012 at 9:06 am
  • Dear R users, I am struggling to fit expo-linear equation to my data using "nls" function. I am always getting error message as i highlighted below in yellow color: Theexpo-linear equation which i am ...
    Ram basnetRam basnet
    Jan 31, 2012 at 2:11 pm
    Nov 15, 2012 at 3:54 pm
  • I keep finding the Win32\Huer virus in colorspace_1.1-1.zip for R x64 2.14.1 running MS Windows 7. As a result I am not able to use rattle or ChemometricsWithR. I have tried several different mirrors ...
    Stephen P MolnarStephen P Molnar
    Jan 24, 2012 at 7:46 pm
    Feb 27, 2012 at 6:13 pm
  • How would I create a legend that looks like the attached image? Basically all of the color boxes are right next to each other and the text is below. This kind of arrangement allows for many more ...
    RkevinburtonRkevinburton
    Jan 30, 2012 at 9:25 pm
    Feb 1, 2012 at 9:51 am
  • I just watched http://www.youtube.com/watch?v=iSXNfZESR5I and there is a section where Hadley Wickham showed demonstrated a county map of the US that was interactive. This is exactly what I would ...
    Kevin BurtonKevin Burton
    Jan 24, 2012 at 6:15 pm
    Jan 24, 2012 at 11:13 pm
  • Hi all, As a part of work flow, I do a lot of experiments and save all my results into rData file... i.e. at the end of all my experiments, I do ...
    MichaelMichael
    Jan 22, 2012 at 12:24 am
    Jan 24, 2012 at 3:46 am
  • Hello! I'm working with a matrix called 'subER'. This matrix has 150(=h) rows and 15 columns. What I would like to do is have a command that will identify the minimum 4 values in each row and return ...
    ConnolljConnollj
    Jan 23, 2012 at 5:41 pm
    Jan 23, 2012 at 8:31 pm
  • I have a data frame with some factor columns. I want to drop the rows with rare factor values (and remove the factor values from the factors). E.g., frame$MyFactor takes values A 1,000 times, B 2,000 ...
    Sam SteingoldSam Steingold
    Jan 18, 2012 at 10:25 pm
    Jan 19, 2012 at 9:18 pm
  • Hello everyone, I use Bob Muenchen's approach for reading in "in-stream" (to use SAS parlance) delimited data within a script. This works great: mystring <- "id,workshop,gender,q1,q2,q3,q4 ...
    Dan AbnerDan Abner
    Jan 19, 2012 at 4:37 pm
    Jan 19, 2012 at 7:00 pm
  • Given a<-"c(1,2,3,4,5)" How can I evaluate the variable a to return a (numeric) vector comprising of 1,2,3,4,5? Thanks.
    Ajay AskoolumAjay Askoolum
    Jan 18, 2012 at 9:18 pm
    Jan 19, 2012 at 6:42 pm
  • df<-data.frame( group=rep(c("a","b"), c(7,6)), sales=c(3,4,6,5,1,30,8,4,6,9,10,27,9), turn_over=c(1.5, 2.9, 1.9,20.5, 2.3, 1.65, 0.06, 3.4, 3.5, 2.23, 0.1, 9.8,1.4) ) Hello all, In this data set ? ...
    MasarimkMasarimk
    Jan 17, 2012 at 11:47 am
    Jan 19, 2012 at 1:12 am
  • I have a small problem with R graphics output. When I use the lattice package and CairoPDF to generate publication quality graphs I often use the expression to create an axis title that has ...
    John WalkerJohn Walker
    Jan 9, 2012 at 10:40 pm
    Jan 18, 2012 at 9:06 pm
  • I would like to know if it is possible to make a function that defines a variable in another function without setting that variable globally? I would i.e. be able to define a variables value inside a ...
    StatguyStatguy
    Jan 18, 2012 at 6:30 pm
    Jan 18, 2012 at 8:57 pm
  • This is my first time running GAMs in R. My csv file has these column headings: "X" "Y" "Sound" "Atlantic" "Blacktip" "Bonnet" "Bull" "Finetooth" "Lemon" "Scalloped" "Sandbar" "Spinner" "Abundance" ...
    Ruggeddon24Ruggeddon24
    Jan 16, 2012 at 11:29 pm
    Jan 17, 2012 at 2:38 am
  • I successfully used .Fortran to load and execute my fortran procedures under WinXP and 32 bit R. Alas, the same isn't true with my next Windows 7/64 machine, R 2.14.1 (64 bit) and the gnu gfortran ...
    David StevensDavid Stevens
    Jan 15, 2012 at 10:34 pm
    Jan 16, 2012 at 6:09 pm
  • Hello all, I looking at package dse or vars or mAr I know how to simulate a VAR(p) process, my problem is that most of those processes are unstable (not weakly stationary). Do anybody know how to ...
    Statquant2Statquant2
    Jan 4, 2012 at 1:08 pm
    Jan 15, 2012 at 2:55 am
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