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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: 269,856
    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: 111,670
    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: 13,473
    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: 116,857
    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: 255,643
    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: 124,213
    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: 26,133
    10-17-2012, 07:20 PM Go to last post
  1. Trouble specifying correlation matrix in rjags

    Hi All, EDIT: Will cross-post on the BUGS mailing list but would like to hear your answers as that board is pretty quite. So I have data as in...

    Started by Lazar‎, 01-02-2014 11:27 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 8,541
    10-08-2016, 01:28 PM Go to last post
  2. Simulate Ar(1) process with different y0 values and uniform distribution

    I need to plot an Ar(1) graph for the process yk = 0.75yk-1 + ek. for y0=1 and another graph for y0=10. assume ek is uniformly distributed on...

    Started by ash369ster‎, 10-08-2016 12:38 PM
    ar(1), r language, r studio, time-series
    • Replies: 0
    • Views: 806
    10-08-2016, 12:38 PM Go to last post
  3. strange plot

    Hi. Im trying to do a plot to relate a categorical variable: city to a numeric variable: response time. Im doing with this command:...

    Started by oscarr‎, 10-07-2016 05:07 PM
    • Replies: 4
    • Views: 1,218
    10-07-2016, 08:25 PM Go to last post
  4. Excluding the effect of one of two factors

    Hello, My Name is Maya and I am new to this forum, and my skills in statistics are relatively basic. I hope you will excuse my poor English, as it is...

    Started by MajaEdlund‎, 10-06-2016 02:24 AM
    • Replies: 3
    • Views: 1,514
    10-06-2016, 11:07 PM Go to last post
  5. Compliling error: fPortfolio R Package

    I am trying to build an efficient frontier using fPortfolio R Package (R3.3.1 and fPortfolio 3011.81). But launching...

    Started by douglasswm‎, 10-06-2016 03:16 AM
    r programing
    • Replies: 0
    • Views: 1,200
    10-06-2016, 03:16 AM Go to last post
  6. Plots to different charts

    Hi! My situation is very much the same as in this image http://www.nature.com/bmt/journal/v40/n4/fig_tab/1705727f1.html#figure-title I am...

    Started by obruck‎, 08-31-2016 03:03 AM
    • Replies: 10
    • Views: 2,245
    10-06-2016, 02:48 AM Go to last post
  7. Mutating to add new columns

    I am looking for the highest average BasePay, and have this data: > q<-select(salaryDF, JobTitle:BasePay) > q # A tibble: 111,490 2 ...

    Started by DV Man‎, 10-03-2016 05:40 PM
    • Replies: 13
    • Views: 2,311
    10-05-2016, 12:22 PM Go to last post
  8. Loss-Alae

    Hi Guys I'm working on 800 bivariate data. ( loss & Expense) . I've found fitted distribution which was Pareto. I also worked on Copula to find the...

    Started by Zore‎, 10-05-2016 04:50 AM
    • Replies: 0
    • Views: 1,225
    10-05-2016, 04:50 AM Go to last post
  9. Exclamation markov chain monte carlo interpretation

    Hi gentlemen, I would like to know how to interpret the best chain/model to apply the analysis.

    Started by pjord28‎, 10-03-2016 04:37 PM
    • Replies: 0
    • Views: 802
    10-03-2016, 04:37 PM Go to last post
  10. Ordering a variable by frequency in the dplyr package

    I want to find the sixth most job title in my data frame. Here is the head() of the data frame, q. > head(q) # A tibble: 6 13 Id ...

    Started by DV Man‎, 10-02-2016 12:23 PM
    • Replies: 3
    • Views: 957
    10-03-2016, 10:31 AM Go to last post
  11. defining a rectangular function in R

    I am having some trouble translating mathlab code into r. As much as I have tried to google how to define a rectangular function, I have been unable....

    Started by the42up‎, 09-30-2016 10:39 AM
    • Replies: 1
    • Views: 1,821
    10-02-2016, 04:49 PM Go to last post
  12. help with interpreting decision trees

    I'm trying to learn decision trees, but am not understanding how to interpret decision trees. I'm using the basic titanic data from gaggle (picture...

    Started by semidevil‎, 09-23-2016 03:43 PM
    • Replies: 7
    • Views: 1,468
    10-02-2016, 07:33 AM Go to last post
  13. Need help in Vlookup in R

    I have an excel file in which I have 2 columns Index and Date. In the second sheet I have 4 columns Index,name,startdate and enddate. I want to...

    Started by shivamsarin‎, 09-30-2016 12:14 AM
    • Replies: 1
    • Views: 1,280
    09-30-2016, 09:41 AM Go to last post
  14. Portfolio Optimization (tseries) package

    I'm trying to install the tseries package in order to perform a portfolio optimization exercise but R won't let me load it on my PC. When I run the...

    Started by greg6363‎, 09-29-2016 10:55 PM
    • Replies: 2
    • Views: 1,376
    09-30-2016, 05:31 AM Go to last post
  15. Tough homework question I need help getting started on

    Hey everyone, I was given this problem, and truly haven't a clue where to begin. Now I know that here at Talk Stats, free answers aren't just given...

    Started by DV Man‎, 09-26-2016 12:49 PM
    2 Pages
    1 2
    • Replies: 25
    • Views: 4,961
    09-27-2016, 05:53 PM Go to last post
  16. adding actual values near dots in a dotplot

    Hello, I have put toghether the following piece of code to do a dotplot displaying the coefficients and 95% CI from a fitted Logistic Regression...

    Started by gianmarco‎, 09-26-2016 01:14 PM
    • Replies: 2
    • Views: 1,294
    09-26-2016, 01:28 PM Go to last post
  17. Character in Function

    Hi, I am new to R. I don't understand why code 1 works ,but Code 2 doesn't. The moment I assign a name to the dataset, the function fails. Thanks...

    Started by Apple1‎, 09-24-2016 02:21 AM
    • Replies: 4
    • Views: 2,236
    09-26-2016, 12:14 PM Go to last post
  18. Create logical argument to form Matrix in R

    Hi stats lovers! I am fairly at a beginners level in R Studio and I wonder if someone can help me out. I have created this simple dataframe to...

    Started by Fountainhead‎, 09-26-2016 05:42 AM
    • Replies: 0
    • Views: 1,258
    09-26-2016, 05:42 AM Go to last post
  19. New user need help figuring out my script

    Hello, thank you for taking time on this. Im trying to analyse some data and im stuck. Im new to R but eager to learn. What i want to show is...

    Started by jbander1985‎, 09-24-2016 03:57 PM
    • Replies: 0
    • Views: 2,046
    09-24-2016, 03:57 PM Go to last post
  20. String in Function argument

    I just want to write a function that read a csv file in different folders: opencsv <- function (x) { read.csv("x/001.csv") } So when the...

    Started by Apple1‎, 09-18-2016 06:43 AM
    • Replies: 3
    • Views: 1,605
    09-24-2016, 02:34 AM Go to last post
  21. R package: install dependencies recursively

    I'm trying to install an R package from Github using devtools (more precisely, install_github). But, even if a I set the parameter dependencies to...

    Started by Talitha‎, 09-22-2016 04:18 PM
    devtools, r-package
    • Replies: 2
    • Views: 2,098
    09-23-2016, 09:51 AM Go to last post
  22. Problem in understanding the logic of the question

    Hi I have a data set of customer.csv that has all the details of the customer the question is Calculatte % of sales by each last city,state and...

    Started by rishabh13‎, 09-21-2016 05:43 PM
    • Replies: 0
    • Views: 1,231
    09-21-2016, 05:43 PM Go to last post
  23. Comparison of different normality tests

    Hi Everyone, I'm a student and have to write a paper in which I compare different tests for normality like the Jarque-Bera-Test, Anderson...

    Started by StDre‎, 09-20-2016 06:41 AM
    • Replies: 6
    • Views: 1,648
    09-20-2016, 02:05 PM Go to last post
  24. null models mpd/mntd community data

    hi I am trying to run a null model for some community data and am recieving the same error repeatedly and have been unable to figure it out. i...

    Started by wyzen‎, 09-19-2016 06:15 AM
    assemblages, null models, rstudio
    • Replies: 0
    • Views: 903
    09-19-2016, 06:15 AM Go to last post
  25. Find the mean of a csv file

    After reading in a csv file, I want to find the mean of a variable, I used the below code: mean ("sales", na.rm=T) but the warning message: ...

    Started by Apple1‎, 09-18-2016 07:38 AM
    • Replies: 2
    • Views: 780
    09-18-2016, 09:37 AM Go to last post
  26. For Loop with File Name

    I want to read in files named 001, 002,....010,...,100... But the below code doesn't work, I want my id not to have the leading 0. Thank you ...

    Started by Apple1‎, 09-18-2016 07:58 AM
    • Replies: 0
    • Views: 1,113
    09-18-2016, 07:58 AM Go to last post
  27. Error: unexpected '}' in "}"

    Hi, I am really new to R, and am testing it out. i tried creating a simple If loop, but I get the following errors: a) Error: unexpected '{' in...

    Started by Apple1‎, 09-18-2016 01:53 AM
    • Replies: 2
    • Views: 3,030
    09-18-2016, 06:39 AM Go to last post
  28. Adding lines to ggplot2 plot....?

    Hi! So, question about ggplot. I have data that looks like this: id time comm 7339 18 15 7716 60 30 8051 54 60 8051 60 20...

    Started by spunky‎, 09-15-2016 11:16 AM
    • Replies: 11
    • Views: 2,488
    09-16-2016, 02:52 PM Go to last post
  29. How to extend a vector to a matrix in R?

    I have a row vector v and I would like to get a matrix A whose rows are the same and equal to v. How can I carry out it? Thank you for the answer!...

    Started by tobiroli‎, 09-14-2016 08:28 AM
    vectors matrices
    • Replies: 1
    • Views: 1,923
    09-14-2016, 08:36 AM Go to last post
  30. Storing /Appending results of do loop into a data frame

    Hi all: I'm fairly new to R-programming (for data management and programming), and I'm wondering how I would do the following operation. I have...

    Started by jamesmartinn‎, 09-14-2016 07:03 AM
    • Replies: 5
    • Views: 2,950
    09-14-2016, 08:18 AM Go to last post
  31. R studio No memory available

    Hi all, I was doing some calculations in R studio and up to now everything worked fine. Out of a sudden however I'm getting the error message "no...

    Started by summit cross‎, 09-13-2016 08:20 AM
    • Replies: 2
    • Views: 2,548
    09-13-2016, 08:42 AM Go to last post
  32. statconnDCOM connector

    Hello, I try to create a connection between R and an other software by using the R connector: statconnDCOM but it dosen't work. Under R 3.1.0 I...

    Started by gammoudi‎, 09-12-2016 02:40 PM
    • Replies: 0
    • Views: 1,770
    09-12-2016, 02:40 PM Go to last post
  33. How to find trailing and leading words of a word using R?

    I have a text document which has a million words. Now, I need to know how to find trailing and leading words of a word using R. For example, If I...

    Started by mathan_leo‎, 09-11-2016 08:49 AM
    r-script, text-mining
    • Replies: 4
    • Views: 1,385
    09-12-2016, 01:30 AM Go to last post
  34. Connection between R and qlikview with opencpu

    Hello, I want to create connection between R and QlikView using 'opencpu' package R. I've seen some examples but I did not understand how to use the...

    Started by gammoudi‎, 09-11-2016 02:43 PM
    opencpu, qlikview
    • Replies: 0
    • Views: 1,021
    09-11-2016, 02:43 PM Go to last post
  35. Help with (what will be to you) easy matrix multiplication in R

    I was given this problem: Please execute the following R code: set.seed(111) vector1 = sample(1:10,9,replace=TRUE) vector2 =...

    Started by DV Man‎, 09-10-2016 12:42 PM
    • Replies: 3
    • Views: 1,218
    09-10-2016, 05:02 PM Go to last post
  36. R Studio Markdown text formating

    hello there! I am using R studio with R markdown (converting the report to html website). I have one question and I am quite suprised that I...

    Started by Lukasz_‎, 09-10-2016 10:28 AM
    rmarkdown, rstudio
    • Replies: 2
    • Views: 2,462
    09-10-2016, 04:23 PM Go to last post
  37. Problems loading R-commander

    Hi all, I'm using Windows 7 and currently having problem loading R-commander. I tried installing it using the following commands: ...

    Started by miyii‎, 07-28-2015 02:24 AM
    • Replies: 11
    • Views: 17,728
    09-09-2016, 05:32 PM Go to last post
  38. How to extract/import a PDF table in a data frame?

    To extract a PDF table in R I have used the pdftools package: library(pdftools) txt <- pdf_text("Downloads/Bac-2016.pdf") The extracted table...

    Started by flegmatiq‎, 09-08-2016 12:32 PM
    • Replies: 1
    • Views: 2,450
    09-08-2016, 10:02 PM Go to last post
  39. 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: 9
    • Views: 1,919
    09-08-2016, 04:19 AM Go to last post
  40. Finding Runs for Consecutive Ones

    Hi, I am new to programming. Sorry for the basic question. I came across this code to find runs for consecutive ones for the vector...

    Started by UserR‎, 09-07-2016 03:05 PM
    r language
    • Replies: 3
    • Views: 1,993
    09-07-2016, 10:21 PM Go to last post
  41. issue in unstacking a dataset when number of observations per factor is unequal

    Hello! I have a dataframe (appended), with one column containing some measurements, and a second column containing a grouping variable (2...

    Started by gianmarco‎, 09-03-2016 11:43 AM
    • Replies: 3
    • Views: 1,392
    09-04-2016, 07:59 AM Go to last post
  42. Boxplot help

    Hi, I want to represent a boxplot. I have a table with 10 variables (9 are parameters and the last one is the class). I have two classes and ten...

    Started by mikelV‎, 09-03-2016 04:12 AM
    • Replies: 9
    • Views: 2,657
    09-03-2016, 06:46 AM Go to last post
  43. 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: 1
    • Views: 967
    09-02-2016, 03:00 PM Go to last post
  44. R Markdown Install Package

    Hi all, Using R Studio Version 0.99.902, R 3.3.1, Windows 10. Complete noob, trying to create first R Markdown file. I created a new project...

    Started by goss‎, 09-02-2016 09:01 AM
    • Replies: 0
    • Views: 1,094
    09-02-2016, 09:01 AM Go to last post
  45. marginal effects at sample mean

    So I have fit a negative binomial model with the lme4 so glmer.nb function. So I have the results fine. The question then is how to get marginal...

    Started by Lazar‎, 06-11-2015 06:32 PM
    • Replies: 1
    • Views: 3,104
    09-02-2016, 06:03 AM Go to last post
  46. Multiple Linear Regression (Actual Vs Predicted)

    Hi forum, I am new to statistics and R in general so please bear with me if I am not clear enough. So I am generating a 3 level full factorial...

    Started by anonake‎, 08-31-2016 07:33 AM
    • Replies: 7
    • Views: 3,736
    08-31-2016, 02:38 PM Go to last post
  47. plotting multiple trends from multiple groups in ggplot?

    hi! so i have an issue about how to plot multiple trends from various groups in ggplot. behold a snapshot of my dataset which i called "dat": ...

    Started by spunky‎, 08-30-2016 05:41 PM
    • Replies: 3
    • Views: 2,030
    08-30-2016, 09:34 PM Go to last post
  48. 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, 08-24-2016 02:04 PM
    • Replies: 7
    • Views: 1,960
    08-25-2016, 02:41 PM Go to last post
  49. 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, 08-24-2016 11:33 AM
    • Replies: 0
    • Views: 2,177
    08-24-2016, 11:33 AM Go to last post
  50. 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: 3,367
    08-24-2016, 06:50 AM Go to last post
  51. 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: 1,087
    08-23-2016, 12:52 AM Go to last post
  52. 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: 1,125
    08-22-2016, 10:33 PM Go to last post
  53. 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: 1,224
    08-22-2016, 10:48 AM Go to last post
  54. 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: 943
    08-21-2016, 04:37 PM Go to last post
  55. 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: 1,285
    08-21-2016, 10:27 AM Go to last post
  56. 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: 1,223
    08-20-2016, 09:18 PM Go to last post
  57. 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: 1,187
    08-19-2016, 04:09 PM Go to last post
  58. 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: 1,234
    08-18-2016, 02:59 AM Go to last post
  59. 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: 880
    08-17-2016, 02:55 AM Go to last post
  60. 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: 782
    08-16-2016, 08:11 PM Go to last post

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