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Forum: R

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

  1. 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 11:39 AM
    27 Pages
    1 2 3 ... 27
    • Replies: 391
    • Views: 269,606
    11-05-2017, 08:22 PM Go to last post
  2. 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: 115
    • Views: 111,571
    09-29-2017, 08:14 PM Go to last post
  3. 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 01:38 AM
    • Replies: 2
    • Views: 13,458
    07-20-2017, 10:43 AM Go to last post
  4. 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
    9 Pages
    1 2 3 ... 9
    • Replies: 120
    • Views: 116,785
    12-13-2016, 05:47 PM Go to last post
  5. 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
    20 Pages
    1 2 3 ... 20
    • Replies: 286
    • Views: 255,445
    09-13-2016, 03:35 PM Go to last post
  6. 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: 124,132
    04-14-2016, 01:02 PM Go to last post
  7. 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: 0
    • Views: 26,121
    10-17-2012, 07:20 PM Go to last post
  1. Post Function code need chang.

    My Original function is: Expect=sum(listP * 0:t + listP * 0:t) Loop is: expnumber <- function(x) { n <- nrow(x) m <- ncol(x) ...

    Started by dorothy100‎, 08-14-2016 01:26 PM
    function writing
    • Replies: 2
    • Views: 1,580
    08-14-2016, 01:44 PM Go to last post
  2. Plot Multinomial Logistic Regression

    I am running multinomial logistic regression tests on my data and would like to create probability plots using the results. Does anyone have any...

    Started by glw525‎, 08-12-2016 09:51 AM
    • Replies: 1
    • Views: 986
    08-13-2016, 04:59 AM Go to last post
  3. Hexbin package download error

    I am trying to download the Hexbin package, and here's what happens: > install.packages("hexbin") trying URL...

    Started by DV Man‎, 08-12-2016 12:16 PM
    • Replies: 0
    • Views: 618
    08-12-2016, 12:16 PM Go to last post
  4. Find a data pattern within a larger data set

    the goal is to find a distribution and when it happens in a larger sample (accounting for minor deviations). For example maybe that's how 'Shazam'...

    Started by mike121‎, 08-11-2016 02:38 PM
    • Replies: 0
    • Views: 990
    08-11-2016, 02:38 PM Go to last post
  5. Is "NAs introduced by coercion" always a bad thing?

    I know it's an easy warning to turn off, but I was just wondering how often it can screw your dataset up, and if there's general steps you can take...

    Started by DV Man‎, 08-11-2016 01:01 PM
    • Replies: 3
    • Views: 1,622
    08-11-2016, 02:34 PM Go to last post
  6. Trying to load datasets from an R workspace with a command line and getting an error

    I am supposed to load a workspace with the following code: load("balls_strikes_count.Rdata") but I get this error: >...

    Started by DV Man‎, 08-11-2016 11:15 AM
    • Replies: 3
    • Views: 1,539
    08-11-2016, 12:39 PM Go to last post
  7. Identifying variables on a chart

    Here's my code to get the chart I currently have: > runs200 <- subset(runs, Batter == "braur002" | Batter == "ellsj001") > runs200 <- subset(runs,...

    Started by DV Man‎, 08-10-2016 09:00 PM
    • Replies: 1
    • Views: 752
    08-10-2016, 09:24 PM Go to last post
  8. [SOLVED] Clustering Question - Measuring Test Error

    I should probably contribute once in awhile; so here we go! I use the flexclust package for fitting k-means models using the cclust function...

    Started by bryangoodrich‎, 08-03-2016 03:40 PM
    • Replies: 8
    • Views: 1,295
    08-05-2016, 03:26 PM Go to last post
  9. R - Finding Frequency - Bar Graph or Percentage? Which should be used or both?

    Would the Bar Graph attached be sufficient when they ask to "Find Frequency"? or Do I need to find the specific percentage probability? If the...

    Started by lace7194‎, 08-04-2016 02:05 PM
    • Replies: 4
    • Views: 2,017
    08-04-2016, 04:37 PM Go to last post
  10. Post R - bootstrap confidence intervals, Create a matrix, Perform stepwise regressions

    I'm brand to statistics and taking my 1st class in almost 40 years, so I'm quite a bit behind the times. On top of all of that, I am not very...

    Started by lace7194‎, 08-03-2016 04:01 PM
    • Replies: 1
    • Views: 1,156
    08-03-2016, 11:08 PM Go to last post
  11. issue in extracting values from an object

    Hello, using the following dataset mydata <- structure(list(Obs = 1:14, Health = structure(c(2L, 2L, 2L, 2L, 2L, 3L, 3L, 3L, 3L, 1L, 1L, 1L, 1L,...

    Started by gianmarco‎, 08-03-2016 01:46 AM
    • Replies: 3
    • Views: 1,721
    08-03-2016, 12:35 PM Go to last post
  12. reshaping a table of p-values into a symmetric matrix

    Hello, I was wondering if there is a way to convert this: Asbestosis Normal Normal 1.0000000 NA OAD 0.4126984 0.7301587 ...

    Started by gianmarco‎, 08-03-2016 12:30 PM
    • Replies: 0
    • Views: 1,368
    08-03-2016, 12:30 PM Go to last post
  13. SEM-PLS complex survey design

    Hello, I am trying to run SEM-PLS models for a sample with complex survey design (stratified sampling with different probabilities of selection...

    Started by henrique93‎, 08-02-2016 04:19 AM
    • Replies: 4
    • Views: 1,698
    08-02-2016, 04:29 PM Go to last post
  14. Correlation matrix with significance

    Does anyone have a ready-made function or know a way to produce a correlation matrix with asterisks marking significance levels in R?

    Started by hariskr‎, 08-02-2016 01:10 PM
    correlation, dataframe, hypothesis testing, matrix, significance
    • Replies: 0
    • Views: 1,339
    08-02-2016, 01:10 PM Go to last post
  15. Hasse diagram and Kruskal-Wallis post-hoc test

    Hello, I was playing around with multiple comparisons after KW test. I found a R package 'paircompviz' (LINK) (LINK) that provides the facility to...

    Started by gianmarco‎, 08-02-2016 10:23 AM
    • Replies: 1
    • Views: 1,122
    08-02-2016, 10:41 AM Go to last post
  16. Paste function makes R crash

    I've tried this script for the last hour. Here it is: data2011 <- read.csv("all2011.csv", header=FALSE) fields <- read.csv("fields.csv")...

    Started by DV Man‎, 08-01-2016 08:26 AM
    • Replies: 4
    • Views: 1,666
    08-01-2016, 02:07 PM Go to last post
  17. 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, 07-30-2016 12:37 AM
    r 3.0.2 and linux, r 3.0.2 and packages
    • Replies: 4
    • Views: 1,600
    07-30-2016, 03:24 PM Go to last post
  18. 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, 07-29-2016 08:58 AM
    • Replies: 1
    • Views: 1,051
    07-29-2016, 10:49 AM Go to last post
  19. 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: 1,246
    07-29-2016, 07:29 AM Go to last post
  20. 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: 1,070
    07-28-2016, 03:40 PM Go to last post
  21. 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: 3,211
    07-28-2016, 03:19 PM Go to last post
  22. 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: 2,679
    07-27-2016, 02:54 AM Go to last post
  23. 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: 1,035
    07-26-2016, 07:01 PM Go to last post
  24. 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: 1,154
    07-26-2016, 06:28 PM Go to last post
  25. 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: 894
    07-26-2016, 10:23 AM Go to last post
  26. 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: 1,447
    07-22-2016, 11:40 AM Go to last post
  27. 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: 1,073
    07-19-2016, 06:21 AM Go to last post
  28. 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: 1,813
    07-15-2016, 12:18 PM Go to last post
  29. 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: 829
    07-15-2016, 12:28 AM Go to last post
  30. 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: 1,063
    07-14-2016, 11:45 PM Go to last post
  31. 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: 1,195
    07-14-2016, 09:57 PM Go to last post
  32. 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: 1,235
    07-13-2016, 10:59 AM Go to last post
  33. 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: 1,494
    07-11-2016, 11:00 PM Go to last post
  34. 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: 760
    07-11-2016, 02:09 AM Go to last post
  35. 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: 1,474
    07-08-2016, 02:35 AM Go to last post
  36. 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: 1,171
    07-07-2016, 09:13 AM Go to last post
  37. 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: 1,289
    07-07-2016, 07:55 AM Go to last post
  38. 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: 1,723
    07-06-2016, 01:48 PM Go to last post
  39. 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: 1,764
    07-03-2016, 04:45 AM Go to last post
  40. 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: 3,944
    07-02-2016, 07:24 PM Go to last post
  41. 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: 778
    07-02-2016, 06:43 AM Go to last post
  42. 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: 1,398
    06-30-2016, 01:32 PM Go to last post
  43. 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: 1,828
    06-29-2016, 12:46 PM Go to last post
  44. 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: 3,988
    06-28-2016, 05:08 PM Go to last post
  45. 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: 1,105
    06-28-2016, 12:24 PM Go to last post
  46. 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: 682
    06-27-2016, 08:49 AM Go to last post
  47. 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: 2,587
    06-26-2016, 12:52 PM Go to last post
  48. 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: 3,369
    06-26-2016, 12:40 PM Go to last post
  49. 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: 1,125
    06-25-2016, 02:49 PM Go to last post
  50. 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: 1,329
    06-25-2016, 03:45 AM Go to last post
  51. 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: 2,293
    06-24-2016, 02:18 AM Go to last post
  52. 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: 2,678
    06-24-2016, 02:14 AM Go to last post
  53. 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: 2,629
    06-23-2016, 06:59 PM Go to last post
  54. "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: 1,558
    06-23-2016, 05:48 PM Go to last post
  55. 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: 2,161
    06-21-2016, 01:07 PM Go to last post
  56. 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: 939
    06-21-2016, 07:55 AM Go to last post
  57. 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: 910
    06-20-2016, 04:03 PM Go to last post
  58. [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: 1,302
    06-19-2016, 07:35 PM Go to last post
  59. 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: 1,598
    06-19-2016, 06:35 PM Go to last post
  60. 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: 1,972
    06-19-2016, 02:53 PM Go to last post

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