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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: 271,290
    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: 112,321
    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: 13,555
    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: 117,329
    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: 256,953
    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: 124,731
    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: 26,224
    10-17-2012, 07:20 PM Go to last post
  1. 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: 2,056
    12-22-2015, 01:31 PM Go to last post
  2. 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: 2,444
    12-22-2015, 01:12 PM Go to last post
  3. 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: 1,879
    12-16-2015, 03:24 PM Go to last post
  4. 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: 1,246
    12-15-2015, 12:12 PM Go to last post
  5. 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: 1,286
    12-13-2015, 06:17 PM Go to last post
  6. 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: 1,375
    12-11-2015, 09:13 PM Go to last post
  7. 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: 1,602
    12-11-2015, 08:35 AM Go to last post
  8. 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 06:01 PM
    • Replies: 5
    • Views: 8,064
    12-09-2015, 09:05 AM Go to last post
  9. 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: 1,582
    12-08-2015, 03:25 PM Go to last post
  10. 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: 1,105
    12-07-2015, 12:01 PM Go to last post
  11. 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: 1,727
    12-07-2015, 05:41 AM Go to last post
  12. 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: 1,685
    12-07-2015, 05:36 AM Go to last post
  13. 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: 1,721
    12-07-2015, 01:50 AM Go to last post
  14. 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: 1,669
    12-06-2015, 05:33 PM Go to last post
  15. 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: 3,679
    12-05-2015, 10:31 PM Go to last post
  16. Scheduling task in R?

    Dear- Other languages like Python provide us 1) Run specific program in certain time 2) sleep for one minutes , as shown in...

    Started by jk90029‎, 12-04-2015 10:34 PM
    • Replies: 0
    • Views: 1,893
    12-04-2015, 10:34 PM Go to last post
  17. How to use R to move mouse/keyboard to specified position?

    Dear- Other langauges like Python allow us to move mouse/keyboard to any position in our screen, as shown in...

    Started by jk90029‎, 12-04-2015 10:29 PM
    • Replies: 0
    • Views: 995
    12-04-2015, 10:29 PM Go to last post
  18. Repeated Measures Anova

    Hi, I have data on the percent change in biomass between two treatments of plants over weighing periods. I have percent change values from 7...

    Started by totoop‎, 12-02-2015 09:12 PM
    • Replies: 3
    • Views: 3,315
    12-04-2015, 02:09 PM Go to last post
  19. Automatic addition of contrasts

    Hi, if I define contrasts for a factor variable with n levels, e.g. contrasts(x) <- c(-2,1,1) and I subsequently display these contrasts via ...

    Started by mmercker‎, 12-04-2015 01:47 AM
    contrast analysis, orthogonal
    • Replies: 0
    • Views: 897
    12-04-2015, 01:47 AM Go to last post
  20. how to say if missing more than X?

    hi all, let's say i want to take the average of 5 scores for assignments . how do i dictate missing if 2 OR MORE scores are missing? so if any 2...

    Started by bvowe‎, 11-29-2015 05:28 PM
    average, calculate, missing
    • Replies: 1
    • Views: 1,582
    11-29-2015, 08:11 PM Go to last post
  21. Histograms of Data Frame Columns

    I have a data.frame that I need produce a histogram for each column of data. I'm using the dataframe baseball from the library coorgram here. The...

    Started by FFA‎, 11-27-2015 10:49 AM
    column name, histogram
    • Replies: 0
    • Views: 1,790
    11-27-2015, 10:49 AM Go to last post
  22. Omiting N/A Variables

    I have a problem understanding how to omit N/A results and then seeing the updated results. I have a data set of 632 variables, some of the data...

    Started by ferris09‎, 11-26-2015 06:10 PM
    • Replies: 0
    • Views: 1,334
    11-26-2015, 06:10 PM Go to last post
  23. RAMSEY Reset Test in R Influenced by Heteroskedasticity?

    Hello all and thanks in advance for your help, I'm running a negative binomial model along with "vcov" to add robust errors. I am using the Ramsey...

    Started by WC4J‎, 11-26-2015 12:27 PM
    • Replies: 0
    • Views: 2,191
    11-26-2015, 12:27 PM Go to last post
  24. Error in curl

    im trying to install the package "remake" from github devtools::install_github("richfitz/remake") Downloading GitHub repo richfitz/remake@master...

    Started by bugman‎, 11-25-2015 10:17 PM
    • Replies: 2
    • Views: 5,985
    11-26-2015, 04:32 AM Go to last post
  25. R White Papers

    I publish a magazine for R, SAS, SQL, and MS Office. I recently included an article on why users should switch to R. I would like to include more...

    Started by cjohnson‎, 11-25-2015 08:31 PM
    • Replies: 0
    • Views: 1,328
    11-25-2015, 08:31 PM Go to last post
  26. R: ANCOVA with two time points and one covariate

    Consider the following experiment: Patients with epileptic seizures have blood samples taken when arriving at the hospital. Additional samples are...

    Started by andhou‎, 11-24-2015 01:07 PM
    • Replies: 0
    • Views: 1,290
    11-24-2015, 01:07 PM Go to last post
  27. Question GAMM plot??

    Hi everyone, I would like some help. I did a multilevel analysis using GAMM from mgcv package and plot the predict values with the confidence...

    Started by marianatg‎, 11-19-2015 11:27 AM
    gamm model, mixed models, multi-level, plot, plotting
    • Replies: 4
    • Views: 2,449
    11-23-2015, 09:26 AM Go to last post
  28. Multilevel Repeated Measurements

    Hi, I am trying to analyse my data. I have problems to put the lme() code together for my design. I attached the design of my study and the...

    Started by ASchmitt‎, 11-23-2015 04:37 AM
    • Replies: 0
    • Views: 2,015
    11-23-2015, 04:37 AM Go to last post
  29. "No (non-missing) observations" error in jointModelBayes function

    Hi all, I'm trying to fit a joint longitudinal and time-to event model in R as shown...

    Started by hrj21‎, 11-22-2015 01:06 PM
    coxph, lme, longitudinal design
    • Replies: 0
    • Views: 2,290
    11-22-2015, 01:06 PM Go to last post
  30. text concordance

    Hi All, I have a very large set of transcripts of Prime Ministerial speeches given in Australia. The 1500 speeches are about 30mb so too large to...

    Started by Lazar‎, 11-20-2015 01:18 AM
    • Replies: 4
    • Views: 2,060
    11-21-2015, 03:27 AM Go to last post
  31. Summing totals in R for Bar Graph - Issue with totals

    Hey guys, New to R, been learning working with some in house small data sets from work for fun. I am having trouble with the following objective:...

    Started by fauslyfox110‎, 11-20-2015 12:11 PM
    • Replies: 1
    • Views: 1,413
    11-20-2015, 11:30 PM Go to last post
  32. Unhappy exporting results from HWE test in R

    Hello everyone I ran this function with many data (12.000 markers and 309 individuals) The HWE function gives a test for each marker and many...

    Started by jaimezapata‎, 11-20-2015 06:43 AM
    exportingdata, hwefunction, rprogram
    • Replies: 0
    • Views: 1,044
    11-20-2015, 06:43 AM Go to last post
  33. Exclamation sapply function in R help

    I have read two .csv files and did some editing. >a1<-read.csv("2013.csv",header=T, na.strings = c("NULL","PrivacySuppressed")) >a2<-a1 ...

    Started by Asano Kyouya‎, 11-19-2015 11:26 AM
    sapply, statisitcs
    • Replies: 2
    • Views: 2,974
    11-19-2015, 12:29 PM Go to last post
  34. Calculating Mahalanobis distance

    Does anyone have code for this? Note I will have 20,000 plus cases so code that references a stored excel file would be really useful :p There is...

    Started by noetsi‎, 11-16-2015 11:00 AM
    2 Pages
    1 2
    • Replies: 23
    • Views: 9,697
    11-18-2015, 03:19 PM Go to last post
  35. Simulating many variables from the same distribution

    Hi, I'm searching for a way to effectively simulate many variables, z_i, from the same distribution to be used simultaneously. I almost want to...

    Started by sistabossen‎, 11-17-2015 10:15 AM
    • Replies: 4
    • Views: 2,644
    11-18-2015, 05:05 AM Go to last post
  36. neural net and multiple predictions

    evening I have a number of different datsets which i have run neuralnet on and have decent prediction model. the formula is the same for each of...

    Started by beng986‎, 11-17-2015 01:53 PM
    • Replies: 0
    • Views: 1,134
    11-17-2015, 01:53 PM Go to last post
  37. Copula Help

    Hi everyone. I made an R-code to find the different VaR (Value at Risk) of two stocks, using dependent and independent mode. In the first part, i...

    Started by enry93‎, 11-15-2015 05:37 AM
    • Replies: 4
    • Views: 1,977
    11-16-2015, 03:49 PM Go to last post
  38. Can I use ANOVA on Rstudio using a Likert Scale like questionnaire ?

    Hello, this is my first post on talkstats so hopefully I make sense. I am 'Comparing Interactive verse non-interaction education displays of...

    Started by Zookeeper‎, 11-16-2015 01:33 PM
    anova, likert scale, questionnaire, rstudio, stats
    • Replies: 2
    • Views: 2,133
    11-16-2015, 02:19 PM Go to last post
  39. set.seed question

    morning, apologies for the simplicity of the question, but when running a tree function how many different seed(s) is it good practice to run? ...

    Started by beng986‎, 11-15-2015 05:43 AM
    • Replies: 0
    • Views: 1,351
    11-15-2015, 05:43 AM Go to last post
  40. ANOVA Help

    Hi everyone, In one of my questions I need to create an ANOVA table, I just checked waht the text got (doesnt say it it was calculated or...

    Started by Opendome‎, 11-13-2015 08:28 PM
    • Replies: 5
    • Views: 2,906
    11-14-2015, 11:01 PM Go to last post
  41. Embedded Nulls when importing CSV into R

    Hey there. I try to import a csv file generated with the phonetics software Praat into R. When I first did this, there were no problems. Now...

    Started by sibert‎, 04-02-2014 07:21 AM
    • Replies: 7
    • Views: 34,711
    11-12-2015, 10:54 AM Go to last post
  42. Finding correlation for penalized regression in R

    I need to use the penalized models (lasso, ridge) for linear regression. In R, I use the "penalized" package. The output is a penfit object. If I...

    Started by locuschan‎, 11-12-2015 09:53 AM
    correlation, linear regression, penalized regression, r programming
    • Replies: 0
    • Views: 2,731
    11-12-2015, 09:53 AM Go to last post
  43. R won't install any packages

    I'm on a mac system (the newest one OS... whatever its called) and I have just installed R the latest update and I have installed XQuartz. However...

    Started by statsgui‎, 11-10-2015 09:59 PM
    • Replies: 7
    • Views: 1,654
    11-10-2015, 10:59 PM Go to last post
  44. parallel processing over different files in a folder

    Hello, I have a very long list of text files that I want to parse. I think I have figured out how to do with with the foreach command, however it...

    Started by MeganStevenson‎, 11-09-2015 02:37 PM
    parallel processing, text parsing
    • Replies: 3
    • Views: 1,639
    11-10-2015, 10:27 AM Go to last post
  45. help R

    I have a problem

    Started by jhonn‎, 11-10-2015 05:44 AM
    • Replies: 0
    • Views: 1,251
    11-10-2015, 05:44 AM Go to last post
  46. testing residuals: paired t-test

    Hi, Is it possible to check the residuals of a paired t test in R/Rstudio? Normally you have to have assigned a name to the result, which does not...

    Started by wdmn‎, 11-09-2015 04:41 PM
    • Replies: 1
    • Views: 1,240
    11-10-2015, 04:04 AM Go to last post
  47. Naive Bayes

    Hi there, I have four columns city, col1,col2,col3 with 20 rows of data from file practicedata. I created a 5 rows of test set and 15 rows of...

    Started by a234u‎, 11-08-2015 07:07 PM
    • Replies: 3
    • Views: 1,474
    11-09-2015, 08:08 PM Go to last post
  48. loading file from working directory

    i keep getting this error message. > source("siegel.tukey.rtf") Error in source("siegel.tukey.rtf") : siegel.tukey.rtf:1:2: unexpected input...

    Started by paigen‎, 11-08-2015 09:27 PM
    • Replies: 1
    • Views: 1,243
    11-09-2015, 02:05 PM Go to last post
  49. how to standardize inputs using neuralnet R

    Hello, everyone, I am using neuralnet to develop neural network models. 1) Usually one needs to standardize continuous explanatory variables when...

    Started by t.wang21@yahoo.com.au‎, 11-08-2015 10:32 PM
    • Replies: 3
    • Views: 3,755
    11-08-2015, 11:29 PM Go to last post
  50. Red face Help with R stat plzzzzz

    How to import Excel data into R stat ? How to calculate " rendement journalier " or stock return using R stat ? with stock return = close price -...

    Started by Antony1‎, 11-06-2015 12:01 PM
    • Replies: 2
    • Views: 1,676
    11-07-2015, 06:56 AM Go to last post
  51. R regression research analysis

    hi there, working on a project in which we compare eye contrast among mammals at various points. We collected data (luminance value) for parts...

    Started by kelseyjo‎, 11-06-2015 08:22 PM
    • Replies: 1
    • Views: 1,165
    11-07-2015, 02:47 AM Go to last post
  52. Matrix with AR(1) structure - array, that contain 5 matrices of differnt dim?

    Hey i'm new in R and at first sorry for probably light question, but: I need to simulate matrix with AR (1) -structure. The dimension of the...

    Started by cop‎, 11-02-2015 05:16 PM
    • Replies: 1
    • Views: 1,001
    11-04-2015, 03:06 AM Go to last post
  53. R Tips and Tricks

    I publish a free e-magazine for programming tips in SAS, R, SQL, etc. I would like to both invite everyone to take a look, as there are some good...

    Started by cjohnson‎, 11-02-2015 01:53 PM
    • Replies: 0
    • Views: 1,644
    11-02-2015, 01:53 PM Go to last post
  54. Help with the msts command.

    I am using the msts function with tbats to forecast daily data, but my results are way off. I was hoping someone could point out what I am doing...

    Started by mdo8105‎, 11-02-2015 11:40 AM
    • Replies: 2
    • Views: 1,645
    11-02-2015, 12:05 PM Go to last post
  55. Help with Warning/Error messages. (!header) rlabp & invalid 'sep' value:

    I am very new to R. I am having difficulties understanding how resolve a couple of error messages. Warning messages: 1: In if (!header) rlabp <-...

    Started by doodljayne‎, 10-30-2015 04:43 PM
    error message, warning message
    • Replies: 2
    • Views: 4,163
    10-30-2015, 09:22 PM Go to last post
  56. Dealing with psuedoreplication in R

    I am struggling with dealing with psuedoreplication in R. seconds are nested in people. The issue is, there is about 15 minutes worth of...

    Started by the42up‎, 10-29-2015 12:14 PM
    • Replies: 0
    • Views: 1,261
    10-29-2015, 12:14 PM Go to last post
  57. Merging large two or three datasets with R

    Hi There, I'm very new in the R, and it's the first my post. I have several large datasets in excel (and also in text file), composed of 12...

    Started by Maria20‎, 10-23-2015 07:28 AM
    data, merging
    • Replies: 1
    • Views: 1,465
    10-29-2015, 12:10 PM Go to last post
  58. Unhappy RegARIMA with dummy variables

    Hi, I have a daily time series modeled with SARIMA. I must introduce a weekly dummy variables and estimate a model regARIMA. The code is: Arima(x,...

    Started by cristal‎, 10-29-2015 08:01 AM
    • Replies: 0
    • Views: 2,446
    10-29-2015, 08:01 AM Go to last post
  59. How to sample permutation in r without repeating permutations in R

    Hi guys. I was wondering is it possible to create a matrix or a vector of permutations without repeating them. E.g. create a matrix of 4! = 24...

    Started by Mayo006‎, 10-28-2015 01:21 PM
    permutations, r studio, sample
    • Replies: 2
    • Views: 1,961
    10-28-2015, 04:53 PM Go to last post
  60. Can I use X-13ARIMA-SEATS with this data?

    Can I use X-13ARIMA-SEATS with this data? str(mydata) 'data.frame': 763 obs. of 2 variables: $ Date : Factor w/ 763 levels...

    Started by mdo8105‎, 10-28-2015 02:24 PM
    • Replies: 0
    • Views: 1,196
    10-28-2015, 02:24 PM Go to last post

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