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Forum: R

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

  1. 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: 109
    • Views: 45,709
    08-23-2016, 09:27 PM Go to last post
  2. 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: 357
    • Views: 116,998
    08-12-2016, 11:55 AM Go to last post
  3. 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: 86
    • Views: 46,484
    08-11-2016, 12:53 PM Go to last post
  4. 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: 59,767
    04-14-2016, 01:02 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
    19 Pages
    1 2 3 ... 19
    • Replies: 276
    • Views: 106,311
    02-08-2016, 02:48 PM Go to last post
  6. 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: 2,384
    02-02-2016, 04:41 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: 1
    • Views: 12,600
    06-04-2015, 08:01 AM Go to last post
  1. How to keep the names variable in a data frame?

    What's up everyone. I have this data frame: leaders leaders Name Team PA 1 David Ortiz ...

    Started by DV Man‎, Yesterday 02:04 PM
    • Replies: 5
    • Views: 111
    Yesterday, 11:49 PM Go to last post
  2. Fastest database format for reading and working

    Hi I have some databases (80) in stata 13 format. The package "haven" takes like 14 seconds for opening a .dta file. Read_dta13 a bit less. 11...

    Started by jfca283‎, Yesterday 11:33 AM
    • Replies: 0
    • Views: 70
    Yesterday, 11:33 AM Go to last post
  3. Pitching R in Pharma

    hi, I will pitch R to a pharma company on Monday. Their biggest fear is that they can not validate R, so they can not use it in any situation...

    Started by rogojel‎, 08-13-2016 06:32 AM
    2 Pages
    1 2
    pitching r
    • Replies: 16
    • Views: 514
    Yesterday, 06:50 AM Go to last post
  4. Is it possible to use r to calculate normal standard deviation?

    P ( z <= 1) P ( z <= 2)= P (Z < 2) = P ( Z = 0 ) = P( z <= 1.34) =

    Started by helpimdesperate‎, 08-23-2016 12:52 AM
    • Replies: 0
    • Views: 73
    08-23-2016, 12:52 AM Go to last post
  5. Any tutorials to create a good dashboard in R

    I need to learn from scratch about building dashboards in r

    Started by aswinsankar‎, 08-22-2016 10:38 AM
    • Replies: 4
    • Views: 122
    08-22-2016, 10:33 PM Go to last post
  6. Loop over folder files

    Hi Im a bit lost. I need to perform a simple tabulate(sex and age) over some files. I wrote this: fuente=list.files("C:/Users/Me/",...

    Started by jfca283‎, 08-22-2016 11:58 AM
    • Replies: 0
    • Views: 71
    08-22-2016, 11:58 AM Go to last post
  7. Creating a new Website (blogs,social networks etc ..) using R

    First of all i would like to know if one can create a website in r , if yes then can it be created with login credentials? Are there any tutorials...

    Started by aswinsankar‎, 08-22-2016 10:48 AM
    • Replies: 0
    • Views: 66
    08-22-2016, 10:48 AM Go to last post
  8. R Programming Tutorials

    I put together some tutorials: http://rprogrammingtutorials.com/

    Started by rprogrammingtutorials‎, 08-21-2016 04:37 PM
    r tutorials
    • Replies: 0
    • Views: 79
    08-21-2016, 04:37 PM Go to last post
  9. Nonlinear regression - Singular gradient error

    I'm trying to fit a nonlinear curve to my data, using nls. I keep getting the singular gradient error, also with different starting values for my...

    Started by LotVD‎, 08-09-2016 03:05 AM
    • Replies: 4
    • Views: 235
    08-21-2016, 10:27 AM Go to last post
  10. How prominent of a role does R have in statistics

    I've been looking at a particular Master's statistics program and the department website mentions the latest software: SAS, SPSS, JMP, Minitab etc....

    Started by Buckeye‎, 08-20-2016 03:28 PM
    • Replies: 1
    • Views: 120
    08-20-2016, 09:18 PM Go to last post
  11. Time fixed effect for a single country

    pvexp.result1 <- plm(export ~ partycongress + inflation + crudepetrol + lngdp + lngrowth + lnlcratio, data=private.export, ...

    Started by summercocktail‎, 08-19-2016 04:09 PM
    • Replies: 0
    • Views: 118
    08-19-2016, 04:09 PM Go to last post
  12. FOURIER and Sigmoid function

    Hi, I want to smooth a temporal serie. I found in R, the fft (Fourier function) and the SIGMOID package. But i don't undertand how to apply to...

    Started by mikelV‎, 08-13-2016 05:12 AM
    • Replies: 2
    • Views: 193
    08-18-2016, 02:59 AM Go to last post
  13. understanding t & p values from my data

    Hi guys, I'm having difficulty interpreting the summary results when running a linear model in R Studio. I have watched YouTube videos and a...

    Started by EPSC_PA‎, 08-17-2016 02:55 AM
    • Replies: 0
    • Views: 117
    08-17-2016, 02:55 AM Go to last post
  14. Variable Importance Value in R

    Is there a minimum sample size requirement to get the variable importance values when using random forest analysis in R?

    Started by SRS‎, 08-16-2016 08:01 AM
    • Replies: 3
    • Views: 141
    08-16-2016, 08:11 PM Go to last post
  15. 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: 128
    08-14-2016, 01:44 PM Go to last post
  16. 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: 106
    08-13-2016, 04:59 AM Go to last post
  17. 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: 98
    08-12-2016, 12:16 PM Go to last post
  18. 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: 132
    08-11-2016, 02:38 PM Go to last post
  19. 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: 119
    08-11-2016, 02:34 PM Go to last post
  20. 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: 97
    08-11-2016, 12:39 PM Go to last post
  21. Create Wheel of Life graph in R with 3 parameters

    Hi all R-lovin' criminals! I am a beginner with making graphs in R and I was wondering if one of you has a creative solution to make a Wheel of...

    Started by Fountainhead‎, 08-08-2016 03:47 AM
    • Replies: 5
    • Views: 306
    08-11-2016, 05:07 AM Go to last post
  22. 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: 118
    08-10-2016, 09:24 PM Go to last post
  23. [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: 312
    08-05-2016, 03:26 PM Go to last post
  24. 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: 172
    08-04-2016, 04:37 PM Go to last post
  25. 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: 141
    08-03-2016, 11:08 PM Go to last post
  26. 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: 157
    08-03-2016, 12:35 PM Go to last post
  27. 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: 70
    08-03-2016, 12:30 PM Go to last post
  28. 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: 255
    08-02-2016, 04:29 PM Go to last post
  29. 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: 110
    08-02-2016, 01:10 PM Go to last post
  30. 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: 112
    08-02-2016, 10:41 AM Go to last post
  31. 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: 173
    08-01-2016, 02:07 PM Go to last post
  32. 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: 254
    07-30-2016, 03:24 PM Go to last post
  33. 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: 157
    07-29-2016, 10:49 AM Go to last post
  34. 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: 207
    07-29-2016, 07:29 AM Go to last post
  35. 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: 142
    07-28-2016, 03:40 PM Go to last post
  36. 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: 299
    07-28-2016, 03:19 PM Go to last post
  37. 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: 315
    07-27-2016, 02:54 AM Go to last post
  38. 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: 150
    07-26-2016, 07:01 PM Go to last post
  39. 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: 161
    07-26-2016, 06:28 PM Go to last post
  40. 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: 147
    07-26-2016, 10:23 AM Go to last post
  41. 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: 328
    07-22-2016, 11:40 AM Go to last post
  42. 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: 274
    07-19-2016, 06:21 AM Go to last post
  43. 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: 369
    07-15-2016, 12:18 PM Go to last post
  44. 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: 189
    07-15-2016, 12:28 AM Go to last post
  45. 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: 167
    07-14-2016, 11:45 PM Go to last post
  46. 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: 259
    07-14-2016, 09:57 PM Go to last post
  47. 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: 181
    07-13-2016, 10:59 AM Go to last post
  48. 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: 270
    07-11-2016, 11:00 PM Go to last post
  49. 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: 271
    07-11-2016, 02:09 AM Go to last post
  50. 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: 250
    07-08-2016, 02:35 AM Go to last post
  51. 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: 205
    07-07-2016, 09:13 AM Go to last post
  52. 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: 398
    07-07-2016, 07:55 AM Go to last post
  53. 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: 212
    07-06-2016, 01:48 PM Go to last post
  54. 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: 581
    07-03-2016, 04:45 AM Go to last post
  55. 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: 335
    07-02-2016, 07:24 PM Go to last post
  56. 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: 178
    07-02-2016, 06:43 AM Go to last post
  57. 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: 302
    06-30-2016, 01:32 PM Go to last post
  58. 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: 552
    06-29-2016, 12:46 PM Go to last post
  59. 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: 714
    06-28-2016, 05:08 PM Go to last post
  60. 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: 174
    06-28-2016, 12:24 PM Go to last post

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