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Forum: R

R programming and usage, R news, R tips and tutorials

  1. Sticky Thread Sticky: [R Graphics] Beautiful graphics thread

    Hi Everyone, I thought I might start a thread which showcases the graphics abilities of R. I'll start it off with one I just made. This thread...

    Started by TheEcologist‎, 10-17-2012 05:08 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 85
    • Views: 44,915
    07-01-2016, 02:06 PM Go to last post
  2. Sticky Thread Sticky: Info for R users (Links, Manuals, Books, etc.)

    Note: This original post has been modified to make it easier to find the resources in the thread and to compile them into one location. If you want...

    Started by Tart‎, 08-06-2008 09:22 AM
    7 Pages
    1 2 3 ... 7
    information
    • Replies: 100
    • Views: 58,480
    04-14-2016, 01:02 PM Go to last post
  3. Sticky Thread Sticky: Share your functions & code

    I’m starting this thread as a sharing thread. The power of is in building and sharing on one another’s creativity. I’m often amazed at how people...

    Started by trinker‎, 06-25-2011 03:42 PM
    19 Pages
    1 2 3 ... 19
    • Replies: 276
    • Views: 103,496
    02-08-2016, 02:48 PM Go to last post
  4. Sticky Thread Sticky: What R packages are you aching to see?

    Are there any R packages that don't yet exist that you wish existed? What kinds of things do you wish were easier to do in R? What things do you...

    Started by Dason‎, 11-19-2015 12:38 AM
    • Replies: 1
    • Views: 2,192
    02-02-2016, 04:41 PM Go to last post
  5. Sticky Thread Sticky: Today I Learned: ____

    I thought it might be nice to just have a place to post some happy little things you learned or (re)discovered about R that makes your life nicer and...

    Started by Dason‎, 01-03-2012 10:39 AM
    24 Pages
    1 2 3 ... 24
    • Replies: 354
    • Views: 112,693
    10-17-2015, 09:54 AM Go to last post
  6. Sticky Thread Sticky: How to use Code tags

    Using Code Tags This thread contains a brief introduction to using code tags and presenting code in general on this forum. I'm biased toward R so...

    Started by Dason‎, 10-17-2012 07:20 PM
    • Replies: 1
    • Views: 12,334
    06-04-2015, 08:01 AM Go to last post
  7. Sticky Thread Sticky: R News and Updates

    I'm starting this thread out of frustration for my own oversight. blog.revolutionanalytics.com was having an R webinar today (LINK) that looked...

    Started by trinker‎, 08-24-2011 09:41 AM
    8 Pages
    1 2 3 ... 8
    news
    • Replies: 107
    • Views: 44,227
    11-22-2014, 08:28 AM Go to last post
  1. problems with loading some packages with Linux and R 3.0.2

    Linux only maintains R 3.0.2 as a stable version of R. I am using R 3.0.2 on a Linux-machine, and when I try to install some packages ("knitr" or...

    Started by Ralf8‎, Today 12:37 AM
    r 3.0.2 and linux, r 3.0.2 and packages
    • Replies: 4
    • Views: 96
    Today, 03:24 PM Go to last post
  2. KNN algorithm in R.....Can it be applied to everything?

    I'm reading through a machine learning book in R, and the first chapter discusses KNN algorothim. The example they use is a data set to detect...

    Started by semidevil‎, Yesterday 08:58 AM
    • Replies: 1
    • Views: 84
    Yesterday, 10:49 AM Go to last post
  3. Programming Beginner

    Hi, Can i get some help in writing a code. I have 3 csv files, 6 columns in each file. 1) I need to take average of each column in each...

    Started by poppinyoshi‎, 07-27-2016 02:28 PM
    apply, column, multiple files
    • Replies: 1
    • Views: 117
    Yesterday, 07:29 AM Go to last post
  4. Multinomial dynamic models

    Hello, I am new in this forum and I have a question for us :D I have a dataset in which there are the choices in 2015 of 15.000 people (a...

    Started by Luna1409‎, 07-28-2016 02:22 PM
    • Replies: 1
    • Views: 73
    07-28-2016, 03:40 PM Go to last post
  5. The classic "Replacement has ..... rows, data has ..... rows"

    I've run into this problem many time through my short experiences with R, and have frequently used the melt function to fix it. Is there something...

    Started by DV Man‎, 07-26-2016 10:14 PM
    • Replies: 7
    • Views: 192
    07-28-2016, 03:19 PM Go to last post
  6. iteration in R

    Hellow, I know programme in Python but It is my first time programming with R. I have some problems to do the iteration for. I want to select...

    Started by mikelV‎, 07-25-2016 06:48 AM
    • Replies: 6
    • Views: 226
    07-27-2016, 02:54 AM Go to last post
  7. What can you do to make R stop buffering?

    Whether I use R or Studio, there is almost at least one script everyday that makes R freeze to the point where I have to exit and try again. Surely...

    Started by DV Man‎, 07-26-2016 06:38 PM
    • Replies: 2
    • Views: 88
    07-26-2016, 07:01 PM Go to last post
  8. R script for unemployment rate in Nigeria

    I need R script for time series of monthly unemployment rate in nigeria.

    Started by daprice‎, 07-26-2016 07:50 AM
    • Replies: 2
    • Views: 100
    07-26-2016, 06:28 PM Go to last post
  9. Code for saving script file

    I would like to write code so that my script file saves automatically every x seconds. I found this similar piece of code elsewhere that...

    Started by deanj2k‎, 07-26-2016 09:10 AM
    • Replies: 1
    • Views: 88
    07-26-2016, 10:23 AM Go to last post
  10. help on order of data records changed after merging, thanks

    d1 = structure(list(ID = c(118L, 115L, 194L, 7L, 747L)), .Names = "ID", row.names = c(NA, -5L), class = "data.frame") demo.ph2 =...

    Started by zzz‎, 07-20-2016 09:06 PM
    • Replies: 4
    • Views: 244
    07-22-2016, 11:40 AM Go to last post
  11. Fuzzy c-Means Algorithm in R

    I would like to apply the fuzzy c-Means algorithm in R with a substantial amount of missing data. In the literature, I have learned in particular...

    Started by fabiangmueller‎, 07-19-2016 06:21 AM
    • Replies: 0
    • Views: 200
    07-19-2016, 06:21 AM Go to last post
  12. Blavaan prior on latent correlation

    I have a meta-anaysis with findings that the average correlation between factor A and factor B was r = -.44 (S.E. = .09, N = 29195). I want to...

    Started by Lazar‎, 07-14-2016 12:48 AM
    • Replies: 3
    • Views: 284
    07-15-2016, 12:18 PM Go to last post
  13. simultaneous confidence interval for difference between slopes in ANCOVA

    I am new to the forum and R. I am using R version 3.2.0 on Windows7. I am trying to find the simultaneous confidence interval of pairwise...

    Started by dsj‎, 07-15-2016 12:28 AM
    ancova
    • Replies: 0
    • Views: 143
    07-15-2016, 12:28 AM Go to last post
  14. Why there is no freq or describe function in my R studio?

    I am new to R software and I am learning the software. But when I type freq() or describe() commands I receive the result that such functions doesn't...

    Started by karthy‎, 07-14-2016 11:35 PM
    • Replies: 1
    • Views: 105
    07-14-2016, 11:45 PM Go to last post
  15. R or R Studio?

    Which one do you prefer and/or use, and why?

    Started by DV Man‎, 07-13-2016 09:16 PM
    • Replies: 2
    • Views: 176
    07-14-2016, 09:57 PM Go to last post
  16. Trying to single out a data point, break axis, etc.

    So, this is the code: res <- c(49.95913, 49.33702, 127.77325,...

    Started by daacosta‎, 07-12-2016 11:55 AM
    • Replies: 2
    • Views: 141
    07-13-2016, 10:59 AM Go to last post
  17. Trouble reading a text file into R

    I have a data table in Excel with lots of players, which I will put down below. It has no headers. I am using this command gl2011 =...

    Started by DV Man‎, 07-11-2016 02:21 PM
    • Replies: 4
    • Views: 198
    07-11-2016, 11:00 PM Go to last post
  18. How I can make barplot's for this data

    How I can make in R barplot's for this data Helmet Speed Not_Severe Severe Total Yes 10-15 10 6 16 Yes 15-20 10 ...

    Started by askazy‎, 07-10-2016 05:46 PM
    • Replies: 1
    • Views: 208
    07-11-2016, 02:09 AM Go to last post
  19. R code for multilevel latent class model

    Dear all, I am not able to find a reliable r code to run a multilevel latent class model. Indeed, I have to analyze how social trust (three...

    Started by cri_came‎, 07-07-2016 05:16 AM
    latent class analysis, latent class analysis lca, multilevel analysis
    • Replies: 1
    • Views: 196
    07-08-2016, 02:35 AM Go to last post
  20. Exclamation Number of components - ICA?

    Hi everybody, I wanna implement independent component analysis on my data, for this reason I'm using both AnalyzeFMRI and FastIca packages. I...

    Started by BeaLena‎, 07-07-2016 09:13 AM
    components, cran, ica
    • Replies: 0
    • Views: 160
    07-07-2016, 09:13 AM Go to last post
  21. Angry Analysis on R

    Hi there, I began using R last week and... It drives me crazy! However, I'm using the package "AnalyzefMRI" and that's right, but I have some...

    Started by BeaLena‎, 05-30-2016 04:07 AM
    analyzefmri, atomic, cran, error, vector
    • Replies: 3
    • Views: 313
    07-07-2016, 07:55 AM Go to last post
  22. Reading dataset stored in vector form in R

    I am new to R how can I read a dataset stored as vectors and with comments in it into R? See Attached. Thanks in advance.

    Started by Jyde‎, 07-06-2016 12:52 PM
    • Replies: 4
    • Views: 155
    07-06-2016, 01:48 PM Go to last post
  23. Using the WRS2 package for robust methods

    Hi. Can anyone give me input with regards to interpreting the results of a robust mixed ANOVA in the R package WRS2? I'm trying to use robust...

    Started by dbang‎, 06-26-2016 05:57 AM
    • Replies: 9
    • Views: 490
    07-03-2016, 04:45 AM Go to last post
  24. Error: <0 Rows> or 0-length row.names

    Here's my abridged data set. retro.ids = read.csv("retrosheetIDs.csv") dput(retro.ids) structure(list(LAST = structure(c........ ), .Label =...

    Started by DV Man‎, 07-01-2016 09:38 PM
    • Replies: 4
    • Views: 264
    07-02-2016, 07:24 PM Go to last post
  25. How to work with time series of sub-hour data?

    Hi, i just started with R and finished some tutorials. However, i am trying to get into time series analysis and got big troubles with it. I made...

    Started by ngn16920‎, 07-02-2016 06:43 AM
    • Replies: 0
    • Views: 127
    07-02-2016, 06:43 AM Go to last post
  26. Package Loaded but Error

    Had swirl loaded and it worked. I went to reinstall it because it had been 18 months since I used it. Now I get the following, any suggestions? ...

    Started by hlsmith‎, 06-29-2016 09:51 PM
    • Replies: 7
    • Views: 213
    06-30-2016, 01:32 PM Go to last post
  27. Bayesian Kernel Machine Regression (code and error)

    Every year I go to the Society for Epidemiologic Research annual meeting, which I look forward to all year. I usually also hit pre-conference...

    Started by hlsmith‎, 06-19-2016 09:23 PM
    • Replies: 14
    • Views: 455
    06-29-2016, 12:46 PM Go to last post
  28. Help with converting character to numeric

    Hello, all, happily, I figured out my last problem with the huge baseball data set. Thankfully, I am dealing with much smaller data here (a couple...

    Started by DV Man‎, 06-27-2016 05:19 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 613
    06-28-2016, 05:08 PM Go to last post
  29. Using the ddply function

    I am trying to use the ddply function in order to find the career pitching statistics in my baseball dataset. Here's my data: stats <-...

    Started by DV Man‎, 06-28-2016 12:24 PM
    • Replies: 0
    • Views: 129
    06-28-2016, 12:24 PM Go to last post
  30. Unhappy Having problems reading the camtrapR(wild life monitoring analysis) packge guidelines

    Hello everyone, I just recently figure out about R studio and i really like it, i work in conservation program in Balkans which is for recovering...

    Started by nurthur‎, 06-27-2016 08:49 AM
    • Replies: 0
    • Views: 153
    06-27-2016, 08:49 AM Go to last post
  31. Can you make a data frame have different lengths of rows and columns?

    (I don't think I need to post code- this is just a general question). I am trying to make a data frame with all the players who played baseball in...

    Started by DV Man‎, 06-26-2016 11:16 AM
    • Replies: 5
    • Views: 198
    06-26-2016, 12:52 PM Go to last post
  32. Two errors

    S <- sapply(players, compute.hr) Error in FUN(left, right) : non-numeric argument to binary operator melt(S) Error in `[[<-.data.frame`(`*tmp*`,...

    Started by DV Man‎, 06-24-2016 01:50 PM
    • Replies: 10
    • Views: 328
    06-26-2016, 12:40 PM Go to last post
  33. Infinite Recursion is Too Deep

    S <- sapply(players, compute.hr) Error: C stack usage 7969196 is too close to the limit

    Started by DV Man‎, 06-25-2016 01:14 PM
    • Replies: 2
    • Views: 194
    06-25-2016, 02:49 PM Go to last post
  34. Comparing results from lmer() and lm() functions

    Hello to everyone. I'm trying to teach myself the basics of mixed effects models and their connection to the basic linear regression model. I...

    Started by chaps‎, 06-22-2016 02:46 PM
    • Replies: 2
    • Views: 244
    06-25-2016, 03:45 AM Go to last post
  35. ggplot problems

    Hey, i wanted to use ggplot to get some nice plots for my thesis. Originally i tried to plot roc curves with some datapoints. All worked out...

    Started by lilchaos‎, 06-22-2016 11:30 AM
    • Replies: 7
    • Views: 367
    06-24-2016, 02:18 AM Go to last post
  36. Unhappy Problem in Getting Google Analytic Data into R via Google API

    Hello Friends, I'm facing problem to access Google Analytic Data into R. I'm using Google Analytic API's client.id,...

    Started by punit79‎, 06-24-2016 02:14 AM
    readrds(cache_path)
    • Replies: 0
    • Views: 202
    06-24-2016, 02:14 AM Go to last post
  37. Learning R the simplest way possible.

    After putting it off for years I have to learn R as quickly as I can to do certain statistical methods (multilevel, SEM, simulations). I have less...

    Started by noetsi‎, 06-09-2016 09:45 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 513
    06-23-2016, 06:59 PM Go to last post
  38. "Cannot change working directory"

    I am a novice, and using the function setwd("desktop") and I am getting that error message. This hasn't happened for the past week or so I've been...

    Started by DV Man‎, 06-23-2016 01:52 PM
    • Replies: 3
    • Views: 232
    06-23-2016, 05:48 PM Go to last post
  39. New to R- The data isn't pasting correctly from Excel

    Hey everyone. I am trying to copy and paste data from Baseball Reference. I transported the data into a csv file and then copied and pasted it into...

    Started by DV Man‎, 06-20-2016 10:24 AM
    • Replies: 13
    • Views: 402
    06-21-2016, 01:07 PM Go to last post
  40. Constraining Parameters in Bayesian Linear Regression using RJAGS

    Hi Everyone! I'm building a hierarchical bayesian linear regression model using RJAGS, and I want to constrain the sum of the values of three...

    Started by ncreixent1‎, 06-21-2016 07:55 AM
    • Replies: 0
    • Views: 125
    06-21-2016, 07:55 AM Go to last post
  41. Every time I try to change the working directory on my Mac, R freezes

    Does anyone know why this happens and how to fix it?

    Started by DV Man‎, 06-20-2016 04:03 PM
    • Replies: 0
    • Views: 146
    06-20-2016, 04:03 PM Go to last post
  42. [SOLVED] How do I read github csv into R?

    Let's say I got a csv on GitHub how do I read it into R?

    Started by trinker‎, 06-19-2016 02:07 PM
    ask myself
    • Replies: 6
    • Views: 286
    06-19-2016, 07:35 PM Go to last post
  43. Granova package

    Hello, We had submitted a manuscript where we did use R with granova package to run pair t test. Needless to say, at that time we had a statistician...

    Started by dr_pritish‎, 06-19-2016 05:32 PM
    • Replies: 1
    • Views: 192
    06-19-2016, 06:35 PM Go to last post
  44. Cofidence interval band for Loess fit

    Dear friends, I am new to this forum and new to the R software. I have some data set( x and y). I would like to fit the dataset with LOESS fit....

    Started by kmgraju‎, 06-17-2016 02:51 AM
    • Replies: 2
    • Views: 234
    06-19-2016, 02:53 PM Go to last post
  45. Robust regression (rlm) and model/coefficients testing

    Hi there, I am trying to use a robust regression using the rlm procedure, as explained here: http://statistics.ats.ucla.edu/stat/r/dae/rreg.htm...

    Started by Tux‎, 03-28-2016 08:30 PM
    • Replies: 1
    • Views: 159
    06-17-2016, 11:54 AM Go to last post
  46. XML Package and Cdata

    Hi, I am struggling to write a code to give me the following output: <BalloonStyle> <text><!</font> <a href="http://www.mysite.com"> ...

    Started by arvin‎, 01-28-2016 03:49 AM
    xml
    • Replies: 1
    • Views: 98
    06-17-2016, 11:51 AM Go to last post
  47. R Network - Color-code the nodes based on a separate vector

    I have a matrix B and a vector A (the matrix has value 0 or 1; the vector has value from 0 to 1 continuously; a,b,c are 3 attributes): B =...

    Started by linhdan9627‎, 06-16-2016 12:26 AM
    • Replies: 0
    • Views: 361
    06-16-2016, 12:26 AM Go to last post
  48. Simulation for logistic regression in R

    Dear All, I would like to simulate data for logistic regression and I need to have below variables x1=numeric (mean=25,std=5) x2=numeric...

    Started by masarimk‎, 06-13-2016 09:25 AM
    factor, logistic, regression, simulation
    • Replies: 7
    • Views: 410
    06-15-2016, 03:58 PM Go to last post
  49. Interpretation interaction term in glmer()

    Hi, I am using the glmer() function from the package lme4 for a mixed logistic regression model. Here, the formula is Y ~ X + Z + X:Z, where Y is...

    Started by mmercker‎, 06-15-2016 10:20 AM
    glmer binomial, interaction effect, interpretation
    • Replies: 5
    • Views: 195
    06-15-2016, 03:05 PM Go to last post
  50. Problem with [,,,1]

    Hi everybody, I have some problems with this operator I have this code: for (file in files) { + img <- f.read.analyze.volume(file) + ...

    Started by BeaLena‎, 06-12-2016 10:59 AM
    cran, dimensions, mask
    • Replies: 2
    • Views: 229
    06-15-2016, 08:59 AM Go to last post
  51. Pca

    HELLO, HELP Here is : I want to run a PCA, and then there should be all numeric variables to run, right? First, I combine d1 and d2 , which are...

    Started by jjwang‎, 06-13-2016 08:12 PM
    • Replies: 0
    • Views: 219
    06-13-2016, 08:12 PM Go to last post
  52. Detecting careless responding with R

    I have a typical dataset: the first column is a list of participant ID numbers, followed by some questionnaire response data. I want to check for...

    Started by divinityofnumber‎, 06-11-2016 02:20 PM
    • Replies: 7
    • Views: 392
    06-13-2016, 02:21 AM Go to last post
  53. Post How to do weighted ridge regression in R?

    How can we do weighted ridge regression in R? In MASS package in R, I can do weighted linear regression by passing a weight parameter to `lm`. It...

    Started by mishrasonu1993‎, 06-11-2016 06:08 PM
    linear regressoin, ridge regression, weighted least squares
    • Replies: 0
    • Views: 178
    06-11-2016, 06:08 PM Go to last post
  54. interpret effects.mlogit output (mlogit package)

    How can i interpret the output of "effects" comand in mlogit. The model is a conditional multinomial logit. For example how can i interpret the red...

    Started by matto27‎, 06-10-2016 10:00 AM
    • Replies: 1
    • Views: 248
    06-11-2016, 02:08 AM Go to last post
  55. Full matching on propensity scores in R

    I would like to ask some help with the following situation. I'm very new to R, but I want to try something since this is impossible in SAS. I...

    Started by anker‎, 02-23-2016 08:03 AM
    • Replies: 14
    • Views: 954
    06-08-2016, 06:36 PM Go to last post
  56. What book that can teach R and also statistical concepts

    What books do you guys recommend for a beginner to learn R, but also touch on statistical concepts? I'm not looking for a textbook-style with...

    Started by semidevil‎, 06-08-2016 08:46 AM
    • Replies: 2
    • Views: 210
    06-08-2016, 02:18 PM Go to last post
  57. Simulation isn't doing what I thought it should... :(

    Hello! So I'm doing some exploratory simulation studies to build up for something else. The whole thing works but it's giving me a very undesirable...

    Started by spunky‎, 06-07-2016 05:44 PM
    • Replies: 2
    • Views: 204
    06-07-2016, 06:38 PM Go to last post
  58. Can't find function in R message?

    Hello, Super simple question. I just installed R and the forecast package. When I try to run: seasadj("object"), I get the error "could not...

    Started by semidevil‎, 06-07-2016 05:01 PM
    • Replies: 1
    • Views: 182
    06-07-2016, 05:37 PM Go to last post
  59. Vectorized comparison of column values

    Hi all, I have a large dataset in which each observation contains a time stamp. Now I'm trying to calculate a new variable x that counts, for each...

    Started by ferrand‎, 02-25-2016 02:32 PM
    compare column values, lapply, vectorized
    • Replies: 4
    • Views: 506
    06-07-2016, 11:55 AM Go to last post
  60. Smile How to calculate the number of instances of a value

    Hi everyone, this is my first post so please be kind! I have a dataset where there is a reference value which can be duplicated in more than...

    Started by Comet2006‎, 06-07-2016 09:54 AM
    duplication, record count
    • Replies: 0
    • Views: 150
    06-07-2016, 09:54 AM Go to last post

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