1. 10-14-2010
+ Post New Thread
Page 1 of 61 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 51 ... LastLast
Threads 1 to 60 of 3635

Forum: R

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

  1. 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: 1
    • Views: 851
    02-02-2016, 05:41 PM Go to last post
  2. 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 06:08 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 78
    • Views: 35,384
    10-23-2015, 09:31 AM Go to last post
  3. 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
    24 Pages
    1 2 3 ... 24
    • Replies: 354
    • Views: 88,055
    10-17-2015, 10:54 AM Go to last post
  4. 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 04:42 PM
    19 Pages
    1 2 3 ... 19
    • Replies: 274
    • Views: 82,120
    07-14-2015, 05:28 PM Go to last post
  5. 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 08:20 PM
    • Replies: 1
    • Views: 10,448
    06-04-2015, 09:01 AM Go to last post
  6. 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 10:41 AM
    8 Pages
    1 2 3 ... 8
    • Replies: 107
    • Views: 35,933
    11-22-2014, 09:28 AM Go to last post
  7. 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 10:22 AM
    7 Pages
    1 2 3 ... 7
    • Replies: 99
    • Views: 50,504
    05-22-2014, 03:07 AM Go to last post
  1. 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, Today 02:59 PM
    • Replies: 0
    • Views: 65
    Today, 02:59 PM Go to last post
  2. 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: 7
    • Views: 252
    Today, 12:03 PM Go to last post
  3. TARX: Threshold Autoregressive Model with exogenous variables

    Hey guys! Iam currently working on my bachelors thesis. I am comparing different methods for electricity price forecastings. The literature uses...

    Started by lamse‎, 08-09-2014 03:43 AM
    • Replies: 3
    • Views: 600
    02-05-2016, 10:50 AM Go to last post
  4. Help with data manipulation in R - very large and complex dataset

    I need help with data manipulation in R. I have a very large data set spanning three years of seed abundances for 12 plant species. These seeds were...

    Started by jsylves‎, 02-05-2016 09:31 AM
    • Replies: 0
    • Views: 61
    02-05-2016, 09:31 AM Go to last post
  5. 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: 201
    02-03-2016, 07:21 PM Go to last post
  6. 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: 259
    02-02-2016, 11:23 PM Go to last post
  7. 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: 369
    02-02-2016, 04:06 PM Go to last post
  8. 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: 47
    02-02-2016, 03:22 PM Go to last post
  9. 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: 133
    02-02-2016, 03:29 AM Go to last post
  10. 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: 242
    02-01-2016, 05:33 AM Go to last post
  11. 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: 117
    02-01-2016, 03:54 AM Go to last post
  12. 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: 79
    02-01-2016, 03:54 AM Go to last post
  13. 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: 199
    01-31-2016, 10:52 PM Go to last post
  14. 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: 110
    01-30-2016, 07:54 PM Go to last post
  15. 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: 127
    01-29-2016, 02:04 PM Go to last post
  16. 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: 95
    01-28-2016, 10:41 PM Go to last post
  17. [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: 82
    01-27-2016, 04:33 PM Go to last post
  18. 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: 176
    01-26-2016, 06:06 PM Go to last post
  19. 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: 242
    01-22-2016, 09:04 PM Go to last post
  20. 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: 163
    01-22-2016, 10:48 AM Go to last post
  21. 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 12:43 PM
    installation, package, r ld rpud -wl linker, r-lang
    • Replies: 9
    • Views: 2,134
    01-21-2016, 03:18 PM Go to last post
  22. [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: 152
    01-21-2016, 07:51 AM Go to last post
  23. 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: 510
    01-18-2016, 05:44 PM Go to last post
  24. 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: 158
    01-18-2016, 06:45 AM Go to last post
  25. [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: 424
    01-15-2016, 10:31 AM Go to last post
  26. 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: 196
    01-14-2016, 02:20 AM Go to last post
  27. 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: 230
    01-11-2016, 08:43 AM Go to last post
  28. 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: 413
    01-10-2016, 05:22 PM Go to last post
  29. 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: 183
    01-10-2016, 03:14 PM Go to last post
  30. 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: 195
    01-10-2016, 02:40 AM Go to last post
  31. 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: 276
    01-07-2016, 12:25 AM Go to last post
  32. 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: 207
    01-06-2016, 11:09 AM Go to last post
  33. 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: 303
    01-05-2016, 07:27 PM Go to last post
  34. 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: 178
    01-05-2016, 07:20 AM Go to last post
  35. 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: 527
    01-03-2016, 12:25 PM Go to last post
  36. 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: 220
    01-03-2016, 07:26 AM Go to last post
  37. 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: 284
    01-01-2016, 03:30 PM Go to last post
  38. 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: 322
    12-29-2015, 05:22 AM Go to last post
  39. 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: 218
    12-27-2015, 11:39 PM Go to last post
  40. 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: 417
    12-26-2015, 04:51 PM Go to last post
  41. 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: 224
    12-26-2015, 06:29 AM Go to last post
  42. 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: 458
    12-25-2015, 03:55 AM Go to last post
  43. 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: 298
    12-22-2015, 08:01 PM Go to last post
  44. 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: 278
    12-22-2015, 01:49 PM Go to last post
  45. 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: 446
    12-22-2015, 01:39 PM Go to last post
  46. 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: 520
    12-22-2015, 01:31 PM Go to last post
  47. Calculating Stats of a vector by decile ranking

    Hey all, I have a main vector with observations, and I made a second vector with the rank of each observations. I would like to calculate some...

    Started by MTA‎, 12-19-2015 11:57 AM
    • Replies: 1
    • Views: 307
    12-22-2015, 01:12 PM Go to last post
  48. Line Command Not Working

    So I've been fighting with this for most of the day and finally got to a point to where I don't get errors but at the same times it's not putting the...

    Started by Opendome‎, 12-15-2015 08:22 PM
    • Replies: 13
    • Views: 458
    12-16-2015, 03:24 PM Go to last post
  49. Analysis Images - Text/Sentiment Analysis and Sound/Sonar Analysis

    I created an image page from two analysis papers I wrote for my free, bi-monthly magazine. http://www.codeitmagazine.com/image One analysis...

    Started by cjohnson‎, 12-15-2015 12:12 PM
    sentiment, sonar, sound, text
    • Replies: 0
    • Views: 216
    12-15-2015, 12:12 PM Go to last post
  50. No such fuile or directory

    So ive spent about 4 hours trying to figure out how to get a single .csv file to laod properly and I've had nothing but errors. I have ...

    Started by Opendome‎, 12-13-2015 06:12 PM
    • Replies: 1
    • Views: 333
    12-13-2015, 06:17 PM Go to last post
  51. plot(=

    plot(res,cex=0.9,shadow=F,habillage=10,invisible=c("ind.sup","quali"),select="cos2 9",unselect=1)

    Started by montecarlo‎, 12-11-2015 08:32 AM
    • Replies: 2
    • Views: 393
    12-11-2015, 09:13 PM Go to last post
  52. what does it mean selec="cos2 9" in plot()

    Hello; l want to know the function and the meaning of the argument select="cos2 9" what does it mean cos2 ? here is my function plot res<-...

    Started by montecarlo‎, 12-11-2015 08:35 AM
    plot, plotting in r
    • Replies: 0
    • Views: 303
    12-11-2015, 08:35 AM Go to last post
  53. Leave one out cross validation cost function

    Dear R users I'm using the cv.glm function from the boot package to do an LOOCV on one of my logistic regression models. The standard 'cost'...

    Started by SiBorg‎, 07-31-2012 07:01 PM
    • Replies: 5
    • Views: 3,395
    12-09-2015, 09:05 AM Go to last post
  54. Confidence intervals for fitted values from a LM model

    It has been a few years since I last used R so I am a bit rusty: How can I find a confidence interval for the fitted values from a lm (which I have...

    Started by thedreamshaper‎, 12-08-2015 02:22 PM
    • Replies: 4
    • Views: 368
    12-08-2015, 03:25 PM Go to last post
  55. Questions in implementing Considering Canonical Correlation Analysis in R

    I have a dataset of temperature readings of different burner parts which determine the final temperature of the burner and time to set off burner ...

    Started by samvikum‎, 12-07-2015 12:01 PM
    r-programming, regression
    • Replies: 0
    • Views: 231
    12-07-2015, 12:01 PM Go to last post
  56. OLS assumptions in Rstudio

    Hey! I am making an econometrics project and there is one of the assumptions i cant figure out how to calculate in R: Assumption MLR.4 (Zero...

    Started by AgithaBella‎, 12-07-2015 05:41 AM
    • Replies: 0
    • Views: 252
    12-07-2015, 05:41 AM Go to last post
  57. Make regression for high and low income countries

    Hi! I am currently making a project in econometrics, and i want to make separate regression for low and high income countries. I have GNI per capita...

    Started by AgithaBella‎, 12-06-2015 07:48 AM
    • Replies: 4
    • Views: 317
    12-07-2015, 05:36 AM Go to last post
  58. Unexpected symbol (Beginner's problem using factor and labels)

    Hi Trying to switch from SPSS software to the powerful R! I have a problem: > Datasett=read.table("overf.txt", header=T) :tup: > V5_2 =...

    Started by asbjorng‎, 12-06-2015 06:43 AM
    • Replies: 3
    • Views: 227
    12-07-2015, 01:50 AM Go to last post
  59. Variogram - Paramter Values

    I tried to fit exponential model to the variogram given by a textbook. The fit runs and when I plot it it shows up well but I''m trying to get the...

    Started by N2S‎, 12-06-2015 05:33 PM
    • Replies: 0
    • Views: 224
    12-06-2015, 05:33 PM Go to last post
  60. JAGS error for MCMC Bayesian inference

    In R, I am running an MCMC Bayesian inference for data from mixture of Gamma distributions. JAGS is used here. The model file gmd.bug is as follows...

    Started by locuschan‎, 12-05-2015 10:31 PM
    jags, mcmc, r programming
    • Replies: 0
    • Views: 267
    12-05-2015, 10:31 PM Go to last post

+ Post New Thread
Page 1 of 61 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 51 ... LastLast

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 300 views
Hot thread with unread posts
More than 15 replies or 300 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts

Advertise on Talk Stats