Grokbase Groups R r-help August 2013
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459 discussions - 1,557 posts

  • Hello, I have some stock pricing data for one minute intervals. The delivery format is a bit odd. The date column is easily parsed and used as an index for an its object. However, the time column is ...
    Noah SilvermanNoah Silverman
    Aug 14, 2013 at 7:56 pm
    Aug 16, 2013 at 3:58 am
  • Hi, Kbytes RSS rNo 2689632 1450876 1433788 2689632 1450876 1433788 2689632 1450876 1433788 2689632 1450876 1433788 2689632 1450876 1433788 2689632 1450876 1433788 2689632 1450876 1433788 2689632 ...
    Mohan RadhakrishnanMohan Radhakrishnan
    Aug 27, 2013 at 7:58 am
    Aug 27, 2013 at 12:58 pm
  • Dear All, My project requires the use of a specific R package. However, this R package has been removed from CRAN. But its older version can be found. Unfortunately, the older version cannot be ...
    Shang ZuofengShang Zuofeng
    Aug 19, 2013 at 8:25 pm
    Aug 24, 2013 at 12:58 am
  • I would like to be able to use gsub or gsubfn to process a formula and to translate the variables but to ignore expressions in the formula. Supposing that the R formula has already been transformed ...
    Frank HarrellFrank Harrell
    Aug 15, 2013 at 3:13 am
    Aug 17, 2013 at 5:49 pm
  • Hi, I have a following data set: id event time (in sec) 1 add 1373502892 2 add 1373502972 3 delete 1373502995 4 view 1373503896 5 add 1373503996 ... I'd like to add new column "time on task" which is ...
    Srecko joksimovicSrecko joksimovic
    Aug 29, 2013 at 5:52 pm
    Aug 29, 2013 at 10:31 pm
  • From POSIXct to numeric and back with time zone I am running regressions on data which has time series with different time resolution. Some data has hourly resolution, while most has either daily or ...
    Daniel HaugstvedtDaniel Haugstvedt
    Aug 22, 2013 at 1:22 pm
    Aug 25, 2013 at 4:29 pm
  • Hi, I'm attempting to make a bar plot for some genomics data that includes a separate bar for each sample taken. I am having trouble applying these sample labels to the individual bars. It seems that ...
    Alexander GotowskiAlexander Gotowski
    Aug 14, 2013 at 12:40 pm
    Aug 20, 2013 at 5:14 am
  • Hello R users, I have recently begun a project to analyze a large data set of approximately 1.5 million rows it also has 9 columns. My objective consists of locating particular subsets within this ...
    Dylan DoyleDylan Doyle
    Aug 17, 2013 at 11:33 pm
    Aug 18, 2013 at 11:19 pm
  • Hello everyone, How can I create a data_table with 1000 variables (Var1:Var1000)? Thank you, Pooya Lalehzari THIS E-MAIL IS FOR THE SOLE USE OF THE INTENDED RECIPIENT(S) AND MAY CONTAIN CONFIDENTIAL ...
    Pooya LalehzariPooya Lalehzari
    Aug 15, 2013 at 8:16 pm
    Aug 16, 2013 at 3:56 am
  • Hi all, Any insight into the code below would be appreciated - I don't understand why two methods which I think should have equal distance from the call don't. Thanks! Hadley # Create simple class ...
    Hadley WickhamHadley Wickham
    Aug 13, 2013 at 1:08 pm
    Aug 14, 2013 at 6:50 pm
  • Hi, Has anyone ever created scale breaks in R something like what is shown here in the section, Use a Scale Break http://www.r-bloggers.com/graphing-highly-skewed-data/ Thanks -- Shane
    Shane CareyShane Carey
    Aug 28, 2013 at 4:52 pm
    Aug 30, 2013 at 12:49 am
  • Hello again, Let say I have a lengthy character vector like: CH <- c("aBd", "sTb", "ABD", "dFDasd", "asd", "DFDASD") Now I want to create a vector like: CH_New <- c("aBd", "sTb", "aBd", "dFDasd", ...
    Christofer BogasoChristofer Bogaso
    Aug 11, 2013 at 12:39 pm
    Aug 11, 2013 at 7:18 pm
  • This is my reproducible example df<-structure(list(IDANT = c(37837L, 37838L, 37839L, 37840L, 37841L, 37842L, 37843L, 40720L, 40721L, 40722L), N_TX = c(6L, 6L, 6L, 4L, 1L, 1L, 1L, 2L, 2L, 1L), TILT = ...
    MaxbreMaxbre
    Aug 9, 2013 at 10:19 am
    Aug 9, 2013 at 8:00 pm
  • Hoping someone here can help me with this small problem. set.seed(2013) x<-sort(c(letters,letters[sample(26,10,1)])) This gives a vector of 36 letters with some muliples (in this case, ...
    Kevin ParentKevin Parent
    Aug 8, 2013 at 5:37 am
    Aug 9, 2013 at 12:27 am
  • Hi All, Does anyone know what algorithm for clustering categorical variables? R packages? Which is the best? If a data has both numeric and categorical data, what is the best clustering algorithm to ...
    Li, YanLi, Yan
    Aug 1, 2013 at 4:00 pm
    Aug 6, 2013 at 6:43 pm
  • I have a table, and I want a new column to add some annotations to. But it ends up as a factor instead of characters, and won't let me add arbitrary text. Warning message: In `[<-.factor`(`*tmp*`, ...
    Ed SiefkerEd Siefker
    Aug 28, 2013 at 8:56 pm
    Aug 29, 2013 at 11:20 pm
  • Hi, The plot function draws a broken line. The graph breaks when it jumps from a lower value to a higher value with a big break in between. Why does this type of data not use 'pch' or 'type'. When I ...
    Mohan RadhakrishnanMohan Radhakrishnan
    Aug 28, 2013 at 11:45 am
    Aug 29, 2013 at 2:30 pm
  • Hi all I have a short question relating to the usage of the summation sign in R. Let's define A and B as two kxk matrice. My goal is to calculate the matrix C for the periods from 1 to 200 ...
    Sebastian HersbergerSebastian Hersberger
    Aug 24, 2013 at 1:37 pm
    Aug 26, 2013 at 10:49 pm
  • I have a comma delimited file with 62 fields of which some are comments. There are about 1.5 million records/lines. Sme of the fields which has comments and which i do not need have 40 characters. Of ...
    Babu GuhaBabu Guha
    Aug 2, 2013 at 3:29 am
    Aug 25, 2013 at 8:08 pm
  • Has there been any systematic evaluation of which core R functions are safe for use with multicore? Of current interest, I have tried calling read.table() via mclapply() to more quickly read in ...
    Hopkins, BillHopkins, Bill
    Aug 17, 2013 at 7:48 pm
    Aug 24, 2013 at 12:56 am
  • Hey All, I wanna to fit a model y~x/(a+x) to my data, here is the code I use now: lm((1/y-1)~I(1/x)+0, data=b) and it will return the coefficient which is value of a however, if I use the code above, ...
    Ye LinYe Lin
    Aug 20, 2013 at 9:39 pm
    Aug 22, 2013 at 11:12 pm
  • I've spent a bit too long searching the help history and attempting to apply some logic to the following: I have two 3D arrays each with same dim. I wish to run lm on the respective columns of each ...
    Folkes, MichaelFolkes, Michael
    Aug 20, 2013 at 7:34 am
    Aug 20, 2013 at 6:30 pm
  • Dear R users, I have written a couple of R functions, some are through the help of the R group members. However, running them takes days instead of minutes or a few hours. I am wondering whether ...
    LazLaz
    Aug 19, 2013 at 9:28 am
    Aug 19, 2013 at 5:22 pm
  • Dear listers, I am running some OLS on multiply imputed data using Amelia. I first imputed the data with Amelia. than I run a OLS using Zelig to obtain a table of results accounting for the multiply ...
    Francesco SarracinoFrancesco Sarracino
    Aug 17, 2013 at 11:37 am
    Aug 19, 2013 at 2:23 am
  • Greetings, I have a user who is running an R program on two different Linux systems. For the most part, they are very similar in terms of hardware and 64bit OS. However, they perform significantly ...
    Stackpole, ChrisStackpole, Chris
    Aug 12, 2013 at 2:18 pm
    Aug 16, 2013 at 9:02 pm
  • This is a level of complexity I've not before encountered and I have not seen the solution in Deepayan Sarkar's book. Briefly, I want to plot values for each of 5 factors over a range of dates to ...
    Rich ShepardRich Shepard
    Aug 15, 2013 at 4:51 pm
    Aug 16, 2013 at 5:46 pm
  • Hi experts, I have a dataframe with 100k+ records. it has a key/id column and 25 code columns. I would like to restructure it having a row for each code column. I have a structure like this (used ...
    DarkDark
    Aug 13, 2013 at 9:46 am
    Aug 14, 2013 at 5:46 pm
  • Hello everyone, I'm having trouble pulling out paired samples from a data set... I have the following: reps<-c(4,15) #the variable reps is a list of all paired samples SameName Individual Age Gender ...
    Kripa RKripa R
    Aug 12, 2013 at 10:59 pm
    Aug 13, 2013 at 6:05 pm
  • Dear R-Users and R-Devels, I am struggling with the method dispatch for S4 objects. First I will give a simple example to make clear what the general setting in my project is. Three classes will be ...
    Simon ZehnderSimon Zehnder
    Aug 3, 2013 at 7:43 pm
    Aug 9, 2013 at 5:37 pm
  • I am having difficulty storing the output of a for loop I have generated. All I want to do is find all the files that I have, create a string with all of the names in quotes and separated by commas ...
    Jenny WilliamsJenny Williams
    Aug 8, 2013 at 3:05 pm
    Aug 9, 2013 at 5:22 pm
  • Is it possible to translate help files? I see there are some localization options for GUI, but not for help. I think this would be really helpful for users who don't have English as their primary ...
    Tomáš GreifTomáš Greif
    Aug 2, 2013 at 9:54 pm
    Aug 4, 2013 at 9:22 pm
  • Hi, I have to import multiple R-files. Each file consists of several functions with the same function name across the R-files. When I import all files one by one (with source()) I overwrite the ...
    Martin BatholdyMartin Batholdy
    Aug 3, 2013 at 8:27 pm
    Aug 4, 2013 at 8:05 pm
  • Hello, I have a data.frame with repeating rows and corresponding value. For instance, "z" will be an example of that. x = c("a","a", "a", "b","b","b") y = c(1.0, 1.2, 1.1, 1.01, 1.03, 1.0) z = ...
    Brijesh GulatiBrijesh Gulati
    Aug 4, 2013 at 12:49 pm
    Aug 4, 2013 at 7:58 pm
  • Dear R users, I have a question about the xlsx package. It's possible to create excel files and color cells and etc. My question would be that is it possible to color only some part of the data hold ...
    Zsurzsa LaszloZsurzsa Laszlo
    Aug 29, 2013 at 10:08 am
    Sep 4, 2013 at 12:09 pm
  • useRs- The output generated from a groundwater model post-processor contains millions of lines of text. Using the custom R function shown below, I can quickly gather values from this file. As you can ...
    Morway, EricMorway, Eric
    Aug 21, 2013 at 1:50 pm
    Aug 29, 2013 at 3:19 pm
  • Dear all, I have a plot with two lines and I'm using labcurbe (package Hmisc) to show the legend. Everything works well, except that the line displayed in legend box should have same style (plotting ...
    Igor RibeiroIgor Ribeiro
    Aug 22, 2013 at 8:04 pm
    Aug 28, 2013 at 3:41 pm
  • Dear all! I have a data frame composed by 13 columns (year, and 12 months). I want to transform this data base in another like this year month values 1901 1 1901 2 1901 3 ..... 1901 12 1902 1 1902 ...
    Catalin roibuCatalin roibu
    Aug 26, 2013 at 11:04 am
    Aug 27, 2013 at 8:03 am
  • Hi all, I'm running an if else loop to normalize my data to a known control. I have calculated values that need to be subtracted from each treatment applied. I'm trying this within a for loop with if ...
    Fethe, MichaelFethe, Michael
    Aug 26, 2013 at 1:31 am
    Aug 27, 2013 at 12:48 am
  • Dear all, I have problems gettting the following as one graph instead of the two created by this script. I know that with this dummy data, the resulting graph will look like a catastrophy. I have ...
    Anna Zakrisson BraeunlichAnna Zakrisson Braeunlich
    Aug 21, 2013 at 8:42 am
    Aug 23, 2013 at 5:04 pm
  • Dear List: I had some strange experience in importing data. I wonder if anyone of you had the same problem before and would greatly appreciate your suggestion in advance. The original data set in ...
    SHSH
    Aug 21, 2013 at 2:35 pm
    Aug 22, 2013 at 11:33 pm
  • Dear R-help mailing list memebers, I encountered the following error, and I'd be happy for ideas on how to fix it: # using R 3.0.1 on Windows 7: exe_URL = ...
    Tal GaliliTal Galili
    Aug 21, 2013 at 8:35 pm
    Aug 22, 2013 at 10:20 pm
  • I am trying to use the text mining package ... I keep getting this error : rm(list=ls()) library(tm) sourceDir <- "Z:\\projectk_viz\\docs_to_index" ovid <- Corpus(DirSource(sourceDir),readerControl = ...
    Ajinkya KaleAjinkya Kale
    Aug 17, 2013 at 2:35 am
    Aug 18, 2013 at 5:18 pm
  • Dear R users, occasionally I find .Rhistory and/or .RData files cluttered around in my file structure. Is there a way to tell R not to save such files? Or to use one central location where to save ...
    JannisJannis
    Aug 13, 2013 at 4:15 pm
    Aug 14, 2013 at 10:00 pm
  • I'm looking for recommendations for a good way to do this. There must be a good function in some package... I have a 5-way factorial design, two levels per factor, so 32 cells, and I mostly just want ...
    Mike MillerMike Miller
    Aug 3, 2013 at 9:01 am
    Aug 8, 2013 at 2:58 am
  • Hi, I am trying to load a daily time series as a r time series object in the script at below link using the data at second link. I tried setting the frequency as 365, but the data is not getting ...
    Sudheer JosephSudheer Joseph
    Aug 26, 2013 at 2:35 am
    Aug 29, 2013 at 2:23 am
  • I'm new to R and trying to use the ggm package and I get the following message: lib.loc="/Library/Frameworks/R.framework/Versions/3.0/Resources/library") Loading required package: graph Error ...
    Lianne SchroederLianne Schroeder
    Aug 27, 2013 at 8:33 pm
    Aug 29, 2013 at 1:34 am
  • I can't seem to get mclapply to use more than a single core. I have a 64 core server running Linux. Fore example: library(parallel) test <- lapply(1:100,function(x) rnorm(10000)) system.time(x <- ...
    Joe meiringJoe meiring
    Aug 27, 2013 at 11:19 pm
    Aug 29, 2013 at 1:28 am
  • Attached is a plot with a time series. If I have a time series object in R. How do I get the plot in the attached format of time axis?. When I issue plot(ts) I get a time series plot with tic only ...
    Sudheer JosephSudheer Joseph
    Aug 25, 2013 at 3:09 pm
    Aug 26, 2013 at 12:38 am
  • Dear R users I have a question concerning applying a function to each element of a dataframe: 1) -- I have a dataframe like this: "d": (columnames: names of Landcovertypes, rownames: coordinates, ...
    Jacqueline OehriJacqueline Oehri
    Aug 20, 2013 at 4:43 pm
    Aug 24, 2013 at 5:20 pm
  • dear R experts---I was programming a fama-macbeth panel regression (a fama-macbeth regression is essentially T cross-sectional regressions, with statistics then obtained from the time-series of ...
    Ivo welchIvo welch
    Aug 19, 2013 at 4:45 pm
    Aug 19, 2013 at 8:47 pm
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444 users for August 2013

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