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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: 269,762
    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
    • Replies: 115
    • Views: 111,625
    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: 13,469
    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: 116,834
    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: 255,561
    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
    • Replies: 100
    • Views: 124,172
    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: 26,129
    10-17-2012, 07:20 PM Go to last post
  1. A little help with a function...

    So I want to create a function that loads libraries specific to each project that I am working on. The attached function is pretty straight...

    Started by bugman‎, 02-18-2016 08:16 PM
    • Replies: 4
    • Views: 1,834
    02-19-2016, 09:32 PM Go to last post
  2. mixed-effects models with (g)lmer in R and model selection

    Mixed-effects models are wonderful for analyzing data, but it is always a hassle to find the best model, i.e. the model with the lowest AIC,...

    Started by Wilbert‎, 02-19-2016 07:53 AM
    mixed effects model, mixed effects models, model checking, model selection
    • Replies: 1
    • Views: 2,166
    02-19-2016, 09:06 AM Go to last post
  3. Overlaying Profile Graph

    Hi all: Is there a way in GGPLOT2 to shade areas of the plot based off variables in a dataset? I have a profile plot of a single subject, with...

    Started by jamesmartinn‎, 02-15-2016 12:44 PM
    • Replies: 5
    • Views: 2,163
    02-17-2016, 09:18 AM Go to last post
  4. Need help newbie, % misidentified for scat data

    Hello, I am a green as they newbie to R Studio. I have to try to write a text for some scat data collected by some biologist. I have attached the...

    Started by joen‎, 02-15-2016 09:44 PM
    • Replies: 0
    • Views: 1,459
    02-15-2016, 09:44 PM Go to last post
  5. How to find elapsed time in R?

    There is a list of data that shows two things, time and code. The code stands for a categorial value (e.g. 1 stands for sleeping). So at 1257.627...

    Started by omyash‎, 02-14-2016 02:36 PM
    • Replies: 1
    • Views: 2,412
    02-14-2016, 04:50 PM Go to last post
  6. **Only for Poisson, Censored data, fitdistrplus*** the function mle failed to estimat

    Hello All, I am getting the following error and it only happens for interval censoring, It does not happen for left and right censoring, and it...

    Started by mohsenhs82‎, 02-14-2016 02:07 AM
    censored, fitdistplus, mle
    • Replies: 2
    • Views: 2,557
    02-14-2016, 02:58 PM Go to last post
  7. Created a function that works fine but when asked to operate on its output it fails

    Hello, I have an assignment that requires me to create a function that calculates the correlations between two columns of 332 csv files based on...

    Started by Fapb88ve‎, 02-13-2016 05:51 PM
    correlation, error
    • Replies: 2
    • Views: 2,996
    02-13-2016, 10:01 PM Go to last post
  8. Estimating Mean of a Poisson Distribution Based on Interval censoring

    Dear all, I appreciate that if you let me know if there is any package implemented in R for Estimating Mean of a Poisson Distribution Based on...

    Started by mohsenhs82‎, 02-13-2016 03:45 AM
    censoring, estimating mean, poisson
    • Replies: 0
    • Views: 1,211
    02-13-2016, 03:45 AM Go to last post
  9. [SOLVED] R Commander: "Frequency distributions" is greyed / grayed out?

    My data set mostly contains categorical variables, but they're all coded as numbers (e.g., male = 0, female = 0, etc.). In the menu, the...

    Started by kathy_‎, 02-12-2016 06:44 PM
    categorical variables, r commander
    • Replies: 0
    • Views: 1,075
    02-12-2016, 06:44 PM Go to last post
  10. Instrumental variable model with a binary dependent variable

    Hi all, I am trying to fit an instrumental-variable regression by two-stage least squares. However, my dependent variable is a binary variable...

    Started by lillaus‎, 02-12-2016 03:05 PM
    • Replies: 1
    • Views: 1,162
    02-12-2016, 04:43 PM Go to last post
  11. How Neural Networks' prediction in R works on periodic data ???

    I mean, I have a data set x,containing x={ 1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7} as my entries with a period of 4 . And now if I...

    Started by Ark Sudharsan‎, 02-12-2016 06:36 AM
    • Replies: 0
    • Views: 1,388
    02-12-2016, 06:36 AM Go to last post
  12. In R Which method will be efficient for predicting a time series variable...

    My data frame consists of 3 input columns(factors 1,2,3) and output column i.e., revenue which are time varying parameters . I am trying to predict...

    Started by Ark Sudharsan‎, 02-12-2016 06:13 AM
    • Replies: 0
    • Views: 951
    02-12-2016, 06:13 AM Go to last post
  13. how to manipulate (best package) NoSQL data format in R

    Hi, I'm trying to manage data in a NoSQL format. Example: ID Date Rule 1 2016-02-03 A:20;B:30 2 2016-02-01 A:20 3 ...

    Started by a1492dc‎, 02-11-2016 08:53 PM
    dataframe, import, nosql
    • Replies: 0
    • Views: 1,678
    02-11-2016, 08:53 PM Go to last post
  14. ARIMA with constraints on coefficients

    I would like to estimate the coefficients in a MA(q) process where the coefficients sum up to one. I don't know how to put that restriction in R. ...

    Started by exte‎, 02-03-2016 04:29 AM
    • Replies: 10
    • Views: 3,931
    02-11-2016, 06:12 PM Go to last post
  15. how to store model parameters' estimates across different iterations

    Hello! I was trying to implement in R some of the procedures described in this article: Arboretti Giancristofaro R, Salmaso L. Model performance...

    Started by gianmarco‎, 02-10-2016 11:26 AM
    • Replies: 5
    • Views: 2,541
    02-11-2016, 09:20 AM Go to last post
  16. Unhappy I need immediate help on how I can use R to do my project!!

    The project that I have decided to take is about how the success rate of a football team (considering a single league of 18 teams) depends on...

    Started by leslie247‎, 02-09-2016 11:09 AM
    multiple regression, r software
    • Replies: 3
    • Views: 1,758
    02-10-2016, 07:36 AM Go to last post
  17. very basic question about reorganizing a data frame

    I have a data frame in which two of the columns sometimes have comma-delimited lists. Each comma-delimited list within one row has the same number of...

    Started by efoss‎, 02-07-2016 02:59 PM
    • Replies: 3
    • Views: 1,989
    02-08-2016, 05:19 PM Go to last post
  18. Help with data manipulation in R - very large and complex dataset


    Started by jsylves‎, 02-05-2016 09:31 AM
    • Replies: 0
    • Views: 953
    02-05-2016, 09:31 AM Go to last post
  19. metafiles look weird

    So I have created a series of plots in R studio, which I copy directly out in metafile format into word. When I convert word to PDF, the axis labels...

    Started by bugman‎, 02-01-2016 11:13 PM
    • Replies: 5
    • Views: 1,716
    02-03-2016, 07:21 PM Go to last post
  20. Specify decision tree -

    I'm fairly familiar with rpart and party packages. Recently I've used them to generate a conditional decision tree. Is there a way to specify a...

    Started by viostorm‎, 01-30-2016 12:05 AM
    • Replies: 5
    • Views: 2,146
    02-02-2016, 11:23 PM Go to last post
  21. Interval Regression in R

    Hey guys, i'd like to know how to perform an interval regression in R. I've alreade created the lower and upper bound variables. How do I specify...

    Started by esvaupeee‎, 01-27-2016 02:35 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 3,660
    02-02-2016, 04:06 PM Go to last post
  22. how to normalize demand/availability matrix for Citibike data

    I am not a statistician but would appreciate an outside perspective on my current project analyzing citibike data. This is a bit complicated so...

    Started by iskandarblue‎, 02-02-2016 03:22 PM
    matrix, normalization, rstudio, weighting
    • Replies: 0
    • Views: 827
    02-02-2016, 03:22 PM Go to last post
  23. Whiskers on boxplot without ending at maxmia

    Hi, I am trying to use R to plot box plots. I would like the whiskers to simply extend 1.5 interquartile ranges. The boxplot function has a range...

    Started by streetbikev1‎, 02-01-2016 11:21 PM
    • Replies: 1
    • Views: 1,241
    02-02-2016, 03:29 AM Go to last post
  24. Finding the "best" reference level of a factor

    Hello all! Some background, first: Let's say we have a dependent variable y and an explaratory variable x measured at 3 levels (A, B and C) of a...

    Started by chaps‎, 01-27-2016 02:44 PM
    • Replies: 7
    • Views: 2,833
    02-01-2016, 05:33 AM Go to last post
  25. loop - for - generating multiple object

    Hi, I want to create a routine to generate an object for different value of val z <- c(1,2,3,4,5,6,7,8,9) for (val in z) { ...

    Started by fralibero‎, 02-01-2016 02:26 AM
    loop for
    • Replies: 2
    • Views: 1,312
    02-01-2016, 03:54 AM Go to last post
  26. How to loop the extraction of a random sample from a dataframe

    Hello. I was trying to implement in R the procedure described HERE (at page 2) in the hope to get a optimism-corrected AUC (after fitting a binary...

    Started by gianmarco‎, 02-01-2016 03:54 AM
    • Replies: 0
    • Views: 1,157
    02-01-2016, 03:54 AM Go to last post
  27. QQ plot for censored data (interval)

    Dear All, I am trying to fit my data to a distribution (say lognormal) in R with plotting QQ, and my data contains both right and left censoring....

    Started by mohsenhs82‎, 01-31-2016 05:07 AM
    censored, qq plot, quantile, r sas
    • Replies: 6
    • Views: 2,265
    01-31-2016, 10:52 PM Go to last post
  28. How do I get an auto recurrence plot?

    Hey, In case this questions sounds really, but I'm desperate. So I give it a try. I'm doing a cross recurrence quantification analysis with the...

    Started by Miranda5‎, 01-30-2016 07:54 PM
    • Replies: 0
    • Views: 1,212
    01-30-2016, 07:54 PM Go to last post
  29. Question Summing and subtracting values in a column across groups in R

    Working in R. I have a data frame Taxi rides that I've sorted by vehicle id and then time stamp (earliest to latest) so that it looks as below: ...

    Started by fauslyfox110‎, 01-29-2016 12:37 AM
    • Replies: 1
    • Views: 1,413
    01-29-2016, 02:04 PM Go to last post
  30. Error bars using R

    Hi. I am relatively new to this software and I was hoping someone can help. I am trying to produce an error bar using R. My data is as follows: ...

    Started by hlslee725‎, 01-28-2016 10:41 PM
    error bars, graphing in r
    • Replies: 0
    • Views: 826
    01-28-2016, 10:41 PM Go to last post
  31. [Request] Time Series Guides

    Hello, I was looking at the sticky thread in which there are guides on how to use R. However I didin't find any specifically for time-series. ...

    Started by Manderin‎, 01-27-2016 04:33 PM
    • Replies: 0
    • Views: 1,066
    01-27-2016, 04:33 PM Go to last post
  32. jitter outliers in boxplot

    Hi there, I am using the following script to create a boxplot: boxplot(y ~ x, main=expression(italic('Myotis bechsteinii')), ylab='Number of bats...

    Started by philthe1st‎, 01-26-2016 12:24 PM
    • Replies: 1
    • Views: 2,047
    01-26-2016, 06:06 PM Go to last post
  33. Std Deviation matrix?

    Is there a command to create a standard deviation matrix from a covariance matrix? I can use cor() to find the correlation matrix, but I dont...

    Started by deangelr‎, 01-22-2016 05:15 PM
    • Replies: 2
    • Views: 1,463
    01-22-2016, 09:04 PM Go to last post
  34. package "sn"

    Hi, I have to fit an ARIMA model with t-distributed innovation term. I try to use the function "selm" in "sn" package with R but it give me error....

    Started by cristal‎, 01-22-2016 10:33 AM
    • Replies: 2
    • Views: 3,620
    01-22-2016, 10:48 AM Go to last post
  35. Exclamation installing rpud got unrecognized option '-Wl'

    I am trying to install the package rpud on a CENTOS Linux server and got the following error: /usr/local/cuda/bin/nvcc -shared -Xlinker "...

    Started by LEBRoger‎, 05-09-2013 11:43 AM
    installation, package, r ld rpud -wl linker, r-lang
    • Replies: 9
    • Views: 4,721
    01-21-2016, 03:18 PM Go to last post
  36. [R-manova] independent variable interaction

    i am doing a study with many independent variables and also many response variable and would like to test is there is an significant interaction...

    Started by danai‎, 01-21-2016 07:51 AM
    • Replies: 0
    • Views: 1,074
    01-21-2016, 07:51 AM Go to last post
  37. Need help!

    i installed the package AER, from which you get the data (PSID1982) then i define this model experiencesq = experience^2 dgender =...

    Started by Latriuz‎, 01-15-2016 05:23 PM
    • Replies: 5
    • Views: 2,194
    01-18-2016, 05:44 PM Go to last post
  38. time track code for dbRDA

    Hi, I am using dbRDA for my paleo data and i want to do time track in R but the codes i found are only applicable for cca and rda. I wonder if...

    Started by gizmowski‎, 01-18-2016 06:45 AM
    code, dbrda, paleolimnology, timetrack
    • Replies: 0
    • Views: 1,413
    01-18-2016, 06:45 AM Go to last post
  39. [SOLVED] A question on legends

    I have a problem with the legends in ggplot. My data are similarx` to what I'm producing below: library(ggplot2) n <- 60 set.seed(123) df...

    Started by chaps‎, 01-13-2016 06:51 PM
    • Replies: 7
    • Views: 2,164
    01-15-2016, 10:31 AM Go to last post
  40. dimension reduction in R (text mining)

    Hi, I have a data in which each person has a bag of words. I have data for 14000 individuals and more than 100,000 unique words. I want to do PCA...

    Started by MonicaMuller‎, 01-14-2016 02:20 AM
    • Replies: 0
    • Views: 1,266
    01-14-2016, 02:20 AM Go to last post
  41. Generating peer nomination dataset in R

    Hi all, I have been trying to generate a dataset on peer nominations in R. Often in research participants are asked to nominate others in the peer...

    Started by 3353206‎, 01-11-2016 08:10 AM
    function, generate data, probability, r code
    • Replies: 1
    • Views: 1,419
    01-11-2016, 08:43 AM Go to last post
  42. Creating a person period (long format) dataset with imputed values

    Hi all, I am trying to create a person period dataset for duration analysis in R. My dataset has two columns and looks like: ID week Event...

    Started by senegale‎, 01-07-2016 02:17 PM
    • Replies: 6
    • Views: 1,737
    01-10-2016, 05:22 PM Go to last post
  43. Analyzing data from a contingend valuation method (payment card)

    Hey everyone, i'm studying economics and i'm part of a project that did a survey on willingness-to-pay data concerning environmental goods in...

    Started by esvaupeee‎, 01-10-2016 03:14 PM
    cvm, interval regression, payment card
    • Replies: 0
    • Views: 1,054
    01-10-2016, 03:14 PM Go to last post
  44. Red face Mann-Kendall Trend Test

    Dear members, I have annual time series (63 years) and I've performed Mann-Kendall test on my data. The Lag-1 serial correlation is not...

    Started by Mori‎, 01-10-2016 02:40 AM
    mann-kendall, serial correlation, trend test
    • Replies: 0
    • Views: 2,364
    01-10-2016, 02:40 AM Go to last post
  45. simple ggplot2 question (I know qplot, but not ggplot, solution)

    I am working through Hadley Wickham's book "ggplot2" in an effort to learn ggplot2. The "ggplot2" package has a data set called "diamonds". The...

    Started by efoss‎, 01-06-2016 10:21 PM
    • Replies: 2
    • Views: 2,055
    01-07-2016, 12:25 AM Go to last post
  46. Speed up Rtexttools with parallel / foreach

    Hi, I'm trying to classify about 150.000 documents using the RTexttools package. When I'm composing a Document Term Matrix the proces consumes a...

    Started by wvangils‎, 01-06-2016 11:09 AM
    • Replies: 0
    • Views: 1,841
    01-06-2016, 11:09 AM Go to last post
  47. Creating a plot

    Hi, I'm pretty sure the solution is very simple but I'm stuck so I'm asking. I have a file with various villages and the crime counts for these...

    Started by zk433‎, 01-02-2016 06:48 PM
    • Replies: 3
    • Views: 2,068
    01-05-2016, 07:27 PM Go to last post
  48. Final test for Statistical Significance Bird aggression scores

    Introduction I'm doing a small pilot research in bird aggression in a colonising frontier regarding their breeding ground. Background The study...

    Started by Tecker‎, 01-05-2016 07:20 AM
    • Replies: 0
    • Views: 1,214
    01-05-2016, 07:20 AM Go to last post
  49. R Consulting Project

    Hi! I am looking for a consultant/tutor for a simple project in R that involves merging datasets. Is this a appropriate section to post in? I can pay...

    Started by bvowe‎, 01-03-2016 12:25 PM
    consultant, merging, tutor
    • Replies: 0
    • Views: 1,751
    01-03-2016, 12:25 PM Go to last post
  50. Simulating an ARMA-Process in R

    Hey guys, at first I'd like to say hello to all of you, since this is my first thread on this forum. (though it won't be the last, I promise :D) ...

    Started by Sarem‎, 01-03-2016 04:34 AM
    • Replies: 2
    • Views: 1,372
    01-03-2016, 07:26 AM Go to last post
  51. Create new column based on part of another variable

    I have a column in a dataframe that looks something like this. ECNumber

    Started by Prometheus‎, 01-01-2016 06:19 AM
    • Replies: 2
    • Views: 1,798
    01-01-2016, 03:30 PM Go to last post
  52. Multiple plots using lattice (or ggplots?)

    Im trying to make this plot in R (made on excel). After trying different codes, I realized my ploting skills are very poor. I finally managed how to...

    Started by juano‎, 12-28-2015 12:25 PM
    • Replies: 1
    • Views: 1,734
    12-29-2015, 05:22 AM Go to last post
  53. How to use widget in R?

    Dear- Below is a screen capture of python widget (open a window for user input). Similar to this, is there widget in R? Appreciated if I see...

    Started by jk90029‎, 12-27-2015 11:39 PM
    • Replies: 0
    • Views: 1,094
    12-27-2015, 11:39 PM Go to last post
  54. How to read files outside R, with multiple "for" loop

    Dear- Here is a simple example. Let b <- c(1224, 1223, 1222, .... ) with length of hundreds days. Now there are corresponding files with...

    Started by jk90029‎, 12-25-2015 04:36 PM
    • Replies: 6
    • Views: 1,298
    12-26-2015, 04:51 PM Go to last post
  55. R has env / Is this similar to directory(folder) ?

    Dear- Related to below ↓ , R has env, possibly similar fo folder(???). Let me give an interesting example, for selected stock price in the last...

    Started by jk90029‎, 12-26-2015 06:29 AM
    • Replies: 0
    • Views: 1,260
    12-26-2015, 06:29 AM Go to last post
  56. Custom plot in terminal node of partykit tree

    Hello all, I'm trying to customize the graphical output from the glmtree function (partykit package) and I'd appreciate some help as I'm lost....

    Started by chaps‎, 12-22-2015 12:45 PM
    • Replies: 5
    • Views: 2,863
    12-25-2015, 03:55 AM Go to last post
  57. rmongodb: Return count of all instances within a document

    I have a mongodb with 21,000 documents. The fields include: _id, dateOfSpeech, speaker, speechType, and speechTranscript. I want to construct a query...

    Started by Lazar‎, 12-22-2015 08:01 PM
    mongodb, query, regex, rmongodb
    • Replies: 0
    • Views: 1,669
    12-22-2015, 08:01 PM Go to last post
  58. Linear regression with multiple change-points

    My question in R as I am not well experienced in using it. The data I've look like I think the linear regression model with more than one...

    Started by DrMemo‎, 12-15-2015 11:35 AM
    • Replies: 1
    • Views: 1,614
    12-22-2015, 01:49 PM Go to last post
  59. X needs to be Numeric

    Hi Everyone So im trying to create two histograms of linear discriminant functions, one for type 1 and one for type 0 but after spending hours...

    Started by Opendome‎, 12-19-2015 05:18 PM
    • Replies: 5
    • Views: 1,599
    12-22-2015, 01:39 PM Go to last post
  60. Data manipulation help please!

    Hi All, I have a data set that I have read into R using read.csv. It consists of 5 columns: vessel id, Year, Month, Day, pounds There are 4...

    Started by senegale‎, 11-21-2015 04:36 PM
    • Replies: 4
    • Views: 2,047
    12-22-2015, 01:31 PM Go to last post

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