1. 10-14-2010
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Forum: R

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

  1. 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: 56,793
    04-14-2016, 01:02 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 05:08 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 79
    • Views: 42,675
    02-24-2016, 04:38 PM Go to last post
  3. 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: 99,161
    02-08-2016, 02:48 PM Go to last post
  4. 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: 1,883
    02-02-2016, 04:41 PM Go to last post
  5. 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: 354
    • Views: 107,523
    10-17-2015, 09:54 AM Go to last post
  6. 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: 11,940
    06-04-2015, 08:01 AM Go to last post
  7. 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: 107
    • Views: 42,514
    11-22-2014, 08:28 AM Go to last post
  1. 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, Today 08:49 AM
    • Replies: 0
    • Views: 28
    Today, 08:49 AM Go to last post
  2. 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, Yesterday 05:57 AM
    • Replies: 4
    • Views: 122
    Yesterday, 05:59 PM Go to last post
  3. 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, Yesterday 11:16 AM
    • Replies: 5
    • Views: 100
    Yesterday, 12:52 PM Go to last post
  4. 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: 223
    Yesterday, 12:40 PM Go to last post
  5. 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: 95
    06-25-2016, 02:49 PM Go to last post
  6. 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: 155
    06-25-2016, 03:45 AM Go to last post
  7. 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: 241
    06-24-2016, 02:18 AM Go to last post
  8. 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
    • Replies: 0
    • Views: 97
    06-24-2016, 02:14 AM Go to last post
  9. 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: 414
    06-23-2016, 06:59 PM Go to last post
  10. "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: 141
    06-23-2016, 05:48 PM Go to last post
  11. 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: 6
    • Views: 236
    06-21-2016, 08:06 PM Go to last post
  12. 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: 296
    06-21-2016, 01:07 PM Go to last post
  13. 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: 86
    06-21-2016, 07:55 AM Go to last post
  14. 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: 99
    06-20-2016, 04:03 PM Go to last post
  15. [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: 185
    06-19-2016, 07:35 PM Go to last post
  16. 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: 142
    06-19-2016, 06:35 PM Go to last post
  17. 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: 162
    06-19-2016, 02:53 PM Go to last post
  18. Robust regression (rlm) and model/coefficients testing

    Hi there, I am trying to use a robust regression using the rlm procedure, as explained here: http://statistics.ats.ucla.edu/stat/r/dae/rreg.htm...

    Started by Tux‎, 03-28-2016 08:30 PM
    • Replies: 1
    • Views: 100
    06-17-2016, 11:54 AM Go to last post
  19. XML Package and Cdata

    Hi, I am struggling to write a code to give me the following output: <BalloonStyle> <text><!</font> <a href="http://www.mysite.com"> ...

    Started by arvin‎, 01-28-2016 03:49 AM
    • Replies: 1
    • Views: 54
    06-17-2016, 11:51 AM Go to last post
  20. R Network - Color-code the nodes based on a separate vector

    I have a matrix B and a vector A (the matrix has value 0 or 1; the vector has value from 0 to 1 continuously; a,b,c are 3 attributes): B =...

    Started by linhdan9627‎, 06-16-2016 12:26 AM
    • Replies: 0
    • Views: 316
    06-16-2016, 12:26 AM Go to last post
  21. Simulation for logistic regression in R

    Dear All, I would like to simulate data for logistic regression and I need to have below variables x1=numeric (mean=25,std=5) x2=numeric...

    Started by masarimk‎, 06-13-2016 09:25 AM
    factor, logistic, regression, simulation
    • Replies: 7
    • Views: 355
    06-15-2016, 03:58 PM Go to last post
  22. Interpretation interaction term in glmer()

    Hi, I am using the glmer() function from the package lme4 for a mixed logistic regression model. Here, the formula is Y ~ X + Z + X:Z, where Y is...

    Started by mmercker‎, 06-15-2016 10:20 AM
    glmer binomial, interaction effect, interpretation
    • Replies: 5
    • Views: 139
    06-15-2016, 03:05 PM Go to last post
  23. Problem with [,,,1]

    Hi everybody, I have some problems with this operator I have this code: for (file in files) { + img <- f.read.analyze.volume(file) + ...

    Started by BeaLena‎, 06-12-2016 10:59 AM
    cran, dimensions, mask
    • Replies: 2
    • Views: 167
    06-15-2016, 08:59 AM Go to last post
  24. Pca

    HELLO, HELP Here is : I want to run a PCA, and then there should be all numeric variables to run, right? First, I combine d1 and d2 , which are...

    Started by jjwang‎, 06-13-2016 08:12 PM
    • Replies: 0
    • Views: 146
    06-13-2016, 08:12 PM Go to last post
  25. Detecting careless responding with R

    I have a typical dataset: the first column is a list of participant ID numbers, followed by some questionnaire response data. I want to check for...

    Started by divinityofnumber‎, 06-11-2016 02:20 PM
    • Replies: 7
    • Views: 272
    06-13-2016, 02:21 AM Go to last post
  26. Post How to do weighted ridge regression in R?

    How can we do weighted ridge regression in R? In MASS package in R, I can do weighted linear regression by passing a weight parameter to `lm`. It...

    Started by mishrasonu1993‎, 06-11-2016 06:08 PM
    linear regressoin, ridge regression, weighted least squares
    • Replies: 0
    • Views: 124
    06-11-2016, 06:08 PM Go to last post
  27. interpret effects.mlogit output (mlogit package)

    How can i interpret the output of "effects" comand in mlogit. The model is a conditional multinomial logit. For example how can i interpret the red...

    Started by matto27‎, 06-10-2016 10:00 AM
    • Replies: 1
    • Views: 189
    06-11-2016, 02:08 AM Go to last post
  28. Full matching on propensity scores in R

    I would like to ask some help with the following situation. I'm very new to R, but I want to try something since this is impossible in SAS. I...

    Started by anker‎, 02-23-2016 08:03 AM
    • Replies: 14
    • Views: 876
    06-08-2016, 06:36 PM Go to last post
  29. What book that can teach R and also statistical concepts

    What books do you guys recommend for a beginner to learn R, but also touch on statistical concepts? I'm not looking for a textbook-style with...

    Started by semidevil‎, 06-08-2016 08:46 AM
    • Replies: 2
    • Views: 159
    06-08-2016, 02:18 PM Go to last post
  30. Simulation isn't doing what I thought it should... :(

    Hello! So I'm doing some exploratory simulation studies to build up for something else. The whole thing works but it's giving me a very undesirable...

    Started by spunky‎, 06-07-2016 05:44 PM
    • Replies: 2
    • Views: 164
    06-07-2016, 06:38 PM Go to last post
  31. Can't find function in R message?

    Hello, Super simple question. I just installed R and the forecast package. When I try to run: seasadj("object"), I get the error "could not...

    Started by semidevil‎, 06-07-2016 05:01 PM
    • Replies: 1
    • Views: 127
    06-07-2016, 05:37 PM Go to last post
  32. Vectorized comparison of column values

    Hi all, I have a large dataset in which each observation contains a time stamp. Now I'm trying to calculate a new variable x that counts, for each...

    Started by ferrand‎, 02-25-2016 02:32 PM
    compare column values, lapply, vectorized
    • Replies: 4
    • Views: 454
    06-07-2016, 11:55 AM Go to last post
  33. Smile How to calculate the number of instances of a value

    Hi everyone, this is my first post so please be kind! I have a dataset where there is a reference value which can be duplicated in more than...

    Started by Comet2006‎, 06-07-2016 09:54 AM
    duplication, record count
    • Replies: 0
    • Views: 98
    06-07-2016, 09:54 AM Go to last post
  34. Conversion of DICOM in Analyze img - Package: oro.dicom

    Hi everybody, I'm trying to convert my Dicom images in the Analyze tipe, but I found some problems. I wanna access the header info (with a function...

    Started by BeaLena‎, 06-05-2016 09:59 AM
    analyze, cran, erre, oro.dicom
    • Replies: 0
    • Views: 171
    06-05-2016, 09:59 AM Go to last post
  35. Importing API into R

    Hi! I'm relatively new to R and trying to import the API data provided here: http://csgolounge.com/api/matches I used: library(rjson)...

    Started by SHUTTEHFACE‎, 06-03-2016 09:10 AM
    r api
    • Replies: 4
    • Views: 230
    06-04-2016, 10:06 PM Go to last post
  36. Knn source code in r

    I'm trying to implement knn in r, however I'm really not getting what should I do, here is my code ## rm(list=ls()) mydata <-...

    Started by hyeri‎, 06-04-2016 04:56 AM
    • Replies: 0
    • Views: 124
    06-04-2016, 04:56 AM Go to last post
  37. how to fit the auto arima model

    hi guys, Im new to R and I got a problem unsolved for several days: I got a dataset which covers three years by week and I ran an auto arima...

    Started by yjeana‎, 06-03-2016 05:36 PM
    arima, auto arima, drift, time series
    • Replies: 0
    • Views: 146
    06-03-2016, 05:36 PM Go to last post
  38. calculating average distance between and within 2 sets of points

    Hello, I have two sets of points (A,B), and I would like to calculate the average distance (Euclidean) between points belonging to set A, the...

    Started by gianmarco‎, 06-02-2016 10:25 AM
    • Replies: 4
    • Views: 187
    06-03-2016, 01:52 PM Go to last post
  39. pROC (getting bootstrap dataset)

    I ran "pROC" in R and generated an ROC curve with 95% bootstrap confidence interval. Is there a way to get the dataset used for the graph? It has to...

    Started by hlsmith‎, 06-03-2016 11:13 AM
    • Replies: 0
    • Views: 111
    06-03-2016, 11:13 AM Go to last post
  40. Overlapping density plots in one panel with frequencies already calculated

    I would like to use code from here: http://stackoverflow.com/questions/26969172/r-clusters-in-histogram but I already calculated frequencies so I...

    Started by mike121‎, 06-02-2016 04:03 PM
    • Replies: 0
    • Views: 145
    06-02-2016, 04:03 PM Go to last post
  41. I Created a Blog with Some Introductory R Tutorials - Check It Out!

    Hey R users, I created a blog for fun with some basic R tutorials. I don't know if I going to keep making tutorials, but if everyone wants more I...

    Started by rprogrammingtutorials‎, 06-02-2016 12:40 PM
    r tutorial, r tutorials
    • Replies: 0
    • Views: 148
    06-02-2016, 12:40 PM Go to last post
  42. linear regression

    If when using: mod_name<-lm(association_gp~indepvar1+indepvar2 etc) summary(mod_name) indepvar has say 3 categories can you collapse 3 into 1...

    Started by tays01s‎, 06-01-2016 08:20 AM
    • Replies: 0
    • Views: 173
    06-01-2016, 08:20 AM Go to last post
  43. Count records meeting criteria

    How do I count the number of records meeting a certain criteria or >1

    Started by tays01s‎, 06-01-2016 08:16 AM
    • Replies: 0
    • Views: 104
    06-01-2016, 08:16 AM Go to last post
  44. R in server (SSH linux) environment Manual

    Dear talkstats community, i am looking for a manual about using R in a SSH linux environment. My question is: I have the SSH client putty,...

    Started by lucar‎, 06-01-2016 06:49 AM
    linux, remote, server, ssh
    • Replies: 0
    • Views: 107
    06-01-2016, 06:49 AM Go to last post
  45. Iterative Majorization R problems

    Hello, I am taking a R class and we are currently working on optimization techniques. I am not to great at R and I can't find anything on the...

    Started by Iris Ilja‎, 06-01-2016 06:34 AM
    • Replies: 1
    • Views: 93
    06-01-2016, 06:37 AM Go to last post
  46. Plotting in r

    Hi There I've goodness of fit my data 2 times. one time for normal distribution and another time for T.distribution. I have about 2500 data and I...

    Started by Zore‎, 05-23-2016 06:55 AM
    normal distribution, plot, plotting in r, t distribution
    • Replies: 2
    • Views: 355
    05-30-2016, 07:13 AM Go to last post
  47. Smile [R] How to get normal/ rankit scores from non-normal data with ties.

    Hello, I would like to see whether pathogen levels influenced certain bumblebee colony development parameters such as the number of queen pupae...

    Started by master student‎, 05-30-2016 07:09 AM
    • Replies: 0
    • Views: 108
    05-30-2016, 07:09 AM Go to last post
  48. 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: 0
    • Views: 153
    05-30-2016, 04:07 AM Go to last post
  49. Extract Values from Output in for loop

    Dear community, i am currently trying to extract the four parameters of a fitting output/call: This output will be generated around 5000...

    Started by lucar‎, 05-27-2016 07:19 AM
    call, extract, output, variables
    • Replies: 3
    • Views: 184
    05-27-2016, 08:07 AM Go to last post
  50. Help - Sum of two different probability function

    Hi everyone, i'm have some problem to estimate marginal distribution from data. I found three different distributions that explains data quite good:...

    Started by enry93‎, 05-23-2016 05:47 PM
    • Replies: 5
    • Views: 374
    05-25-2016, 03:29 AM Go to last post
  51. R help with Binary log reg

    I've identified what I think is the best model for a binary logistic regression, but I need some suggestions for computing confidence intervals for...

    Started by ling5900‎, 05-22-2016 02:07 PM
    • Replies: 0
    • Views: 149
    05-22-2016, 02:07 PM Go to last post
  52. MARS regression (plotmo) understanding

    Hey guys, first post and I'm confused with the results, so I'll try to explain. Basically I'm doing a habitat modelling project predicting the...

    Started by rjc79‎, 05-21-2016 11:25 PM
    • Replies: 2
    • Views: 181
    05-22-2016, 01:22 PM Go to last post
  53. Post About Local Linear Trend in R.

    Hi! I installed bsts package to use local linear trend model in R. But while executing it says, package "BoomSpikeSlab" doesnt find its source...

    Started by Jarin‎, 05-21-2016 09:15 PM
    boom, linear trend, r package
    • Replies: 0
    • Views: 131
    05-21-2016, 09:15 PM Go to last post
  54. Help with interpretation

    Hello everyone, I tried to do cluster analysis for my class, but I'm not sure how to interpret the plot I got. Can anyone help me with that...

    Started by tomer‎, 05-18-2016 06:24 AM
    • Replies: 2
    • Views: 200
    05-21-2016, 12:46 PM Go to last post
  55. problem with sum(prod())

    hi. I tried to do this functions, but i wronged something, but I don't know what i wronged. can you help me? I writed the right function on paper. ...

    Started by Pinco94‎, 05-11-2016 08:44 AM
    • Replies: 2
    • Views: 306
    05-20-2016, 12:50 AM Go to last post
  56. Would you please help me to write the R program for my weather data

    Hello guys! I tried many times to write program in R for getting weekly average temperature for the year 2014. What I have in the excel sheet is...

    Started by bhim‎, 05-16-2016 02:57 PM
    • Replies: 4
    • Views: 315
    05-20-2016, 12:26 AM Go to last post
  57. What GLM family if response is Bray-Curtis dissimilarity? Can I use adonis (vegan)?

    I have some questions about testing for effects of different experimental levels on community similarity. I'll explain my planned experimental design...

    Started by rw2‎, 05-19-2016 06:05 AM
    adonis, bray-curtis, community, glm, vegan
    • Replies: 0
    • Views: 130
    05-19-2016, 06:05 AM Go to last post
  58. Numerical Derivatives: Differentiating regression equation

    Dear TS, I am trying to differentiate output of a regression model (equation) using numerical derivatives. rm(list=ls()) require(mfp)...

    Started by ledzep‎, 05-18-2016 09:11 AM
    • Replies: 2
    • Views: 194
    05-18-2016, 02:32 PM Go to last post
  59. Time difference calculations

    Does anyone know how to calculate the average time difference by categorical variable(s)? I have three columns. First two have categorical...

    Started by mike121‎, 05-17-2016 09:02 AM
    • Replies: 1
    • Views: 185
    05-17-2016, 01:51 PM Go to last post
  60. R: Date Calculation

    Let I have some data against time : time <- seq(ISOdate(2007,7,1,0), ISOdate(2008,4,5,23), by = "1 hour") y <- rnorm(n = length(time))...

    Started by Cynderella‎, 05-14-2016 05:42 AM
    r software
    • Replies: 2
    • Views: 256
    05-15-2016, 07:22 AM Go to last post

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