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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: 269,841
    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: 111,664
    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: 13,472
    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: 116,855
    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: 255,632
    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: 124,208
    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. Star Schema with R

    Hello, I am a Business Intelligence Consultant working on OLAP cube and slowly learning R.Apologize if my question is a bit dummy orf/and been...

    Started by vincent.diallonort‎, 09-21-2014 07:14 PM
    business intelligence, r project, star schema
    • Replies: 2
    • Views: 3,125
    10-06-2014, 05:13 AM Go to last post
  2. apply () function to realise a t.test in a matrix and to count the number à p.value

    I want to use apply () function to realise a t.test in a matrix and to count the number à p.value <=0.05. This is my code and the result I obtain but...

    Started by blaisehowe‎, 09-26-2014 09:46 AM
    • Replies: 4
    • Views: 3,914
    10-04-2014, 04:48 PM Go to last post
  3. How can I do stochastic approximation Robbins–Monro algorithm in R

    Since I can't find any package about stochastic approximation Moreover, I want to write function myself , but I don't know how can obtain...

    Started by leung991085‎, 10-03-2014 08:32 AM
    • Replies: 1
    • Views: 3,009
    10-04-2014, 10:20 AM Go to last post
  4. Question Symmetrical matrix

    Hi, I have a vector representing distances between cities. I have an nxn matrix looking like : Manchester Leeds London...

    Started by leejayd‎, 10-03-2014 10:19 AM
    matrix
    • Replies: 7
    • Views: 1,602
    10-03-2014, 10:54 AM Go to last post
  5. Sumproduct from Excel to R

    Hi, Since a few weeks I'm working with R. The excersise I make are all built-up the same: first we make it in Excel and then we do exact the same...

    Started by JRM.fer1993‎, 10-03-2014 08:01 AM
    • Replies: 1
    • Views: 3,832
    10-03-2014, 09:06 AM Go to last post
  6. how to split data into estimation and holdout samples in R

    Hello, I am working on logistic regression and I have got two questions about estimation vs holdout samples. 1 my data ranges from 2002 to 2011...

    Started by t.wang21@yahoo.com.au‎, 10-03-2014 01:11 AM
    • Replies: 1
    • Views: 3,000
    10-03-2014, 01:46 AM Go to last post
  7. Having trouble with Croston Method Forecasting

    Hello, I am new to the forum. I haven't been using R that much and I am having trouble. I am trying to take a good deal of data (24 months of data...

    Started by thecroatiansensation‎, 10-02-2014 08:22 AM
    • Replies: 4
    • Views: 2,138
    10-02-2014, 09:44 AM Go to last post
  8. dataset containing only respondents with a given value on a variable in another datas

    Hello I was hoping you could give me a quick response to what is probably a very simple problem. I got a dataset in which one of the variables is...

    Started by MRAB‎, 10-02-2014 01:48 AM
    • Replies: 0
    • Views: 830
    10-02-2014, 01:48 AM Go to last post
  9. step-by-step guide to build a package in R

    Hello, I was looking for a good step-by-step guide to build a package in R. I have made a search on the Web and YouTube and I have found something,...

    Started by gianmarco‎, 09-16-2014 02:25 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 7,795
    09-30-2014, 03:56 PM Go to last post
  10. Exclamation R code for generating 1000 pairs (U1,U2) of uniform (0,1) RV's.

    Hi could someone help out with the code for generation 1000 pairs (U1,U2) of uniform (0,1) RV's. @Dason

    Started by Roon1‎, 09-24-2014 02:32 PM
    • Replies: 3
    • Views: 1,531
    09-27-2014, 03:50 PM Go to last post
  11. Unhappy how to do simulation of regression data..somebody please help

    i am currently doing my masters degree and i want to simulate regression data of many variables..let say p=10..how can i do that in R? i want to...

    Started by nhidayah‎, 11-08-2012 12:30 PM
    • Replies: 4
    • Views: 4,319
    09-26-2014, 07:16 AM Go to last post
  12. ordinal and mediation package in R

    Hi All, So I am working on a problem at the moment in which I have an outcome y that is ordinal (4 categories) and a mediator (M) and a predictor...

    Started by Lazar‎, 09-25-2014 07:49 PM
    • Replies: 5
    • Views: 2,546
    09-25-2014, 10:03 PM Go to last post
  13. Multiply lists

    x<-c(0:3)*7 y<-c(1:2) x+y Result: 1 9 15 23 Desired result: 1,2,8,9,15,16,22,23 How can I accomplish the desired result?

    Started by toothpicky‎, 09-24-2014 01:31 PM
    • Replies: 2
    • Views: 1,633
    09-24-2014, 02:10 PM Go to last post
  14. Is there win32com client in R/Rstudio? like Python

    Dear- In case we like to connect to stock Trading server, like brokerage firm, I heard that COM (win32com) may give us good and fast way to...

    Started by jk90029‎, 09-23-2014 09:12 AM
    • Replies: 2
    • Views: 2,568
    09-23-2014, 11:01 PM Go to last post
  15. Inverting matrix in Armadillo

    So I have a problem inverting a matrix using packages Rcpp and RcppArmadillo. I would like to know if someone else could reproduce the error: ...

    Started by JesperHP‎, 09-22-2014 05:28 PM
    • Replies: 7
    • Views: 2,047
    09-23-2014, 08:31 PM Go to last post
  16. [SOLVED] Help a novice day. Have you helped a novice today?

    So anyway, this plot is awesome. http://www.datapointed.net/2012/02/san-francisco-rain-year-before-after-valentines-day/ I emailed the...

    Started by bugman‎, 09-15-2014 07:40 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 4,603
    09-22-2014, 07:32 PM Go to last post
  17. Simple probability in R

    Hello, newbie here. I have just started with R and am having trouble with how to enter a seemingly very simple probability question in R. The...

    Started by bl16‎, 09-22-2014 02:19 PM
    probability help, r code help
    • Replies: 0
    • Views: 1,097
    09-22-2014, 02:19 PM Go to last post
  18. Labelling data points in xyplot

    Hello R friends, I am trying to add label to each of my datapoints in an xyplot which has two Y-axis. When I run my code with only 1 xyplot...

    Started by biobee‎, 09-22-2014 02:17 PM
    • Replies: 0
    • Views: 1,708
    09-22-2014, 02:17 PM Go to last post
  19. MultiTasking in R/Rstudio?

    Dear- I remember that in BSD UNIX, we can use >>> run A && to run script A and at the same time(while A is running) we can use console for...

    Started by jk90029‎, 09-22-2014 02:13 AM
    • Replies: 2
    • Views: 2,719
    09-22-2014, 10:40 AM Go to last post
  20. reshape outcome in r

    Dear All, df<-data.frame( ID=rep(c("a","b"), c(3,4)), turn_over=c(1,2,3,4,5,6,7) ) f=function(x){ k=median(x) z=mean(x)

    Started by masarimk‎, 09-22-2014 08:07 AM
    • Replies: 1
    • Views: 1,761
    09-22-2014, 08:55 AM Go to last post
  21. Histogram comparisons in R

    Let's say I want to compare the number of sold units of two companies. From my manager I have received two histograms (one per company) that holds...

    Started by user41223‎, 09-22-2014 04:37 AM
    • Replies: 0
    • Views: 975
    09-22-2014, 04:37 AM Go to last post
  22. Market basket analysis output

    i have a transaction table ..with sample 5 prior purchases and i run arules on these transaction.and generate rules. I want to run my arules for...

    Started by vishal2410‎, 09-19-2014 10:20 AM
    • Replies: 2
    • Views: 1,305
    09-19-2014, 11:05 AM Go to last post
  23. Base R: add points() in a loop defined by group

    Dear all, I am looking for a way to generate different plots in base R with adding points and lines manually to the plot. Here is my sample data:...

    Started by redshoe‎, 09-19-2014 06:19 AM
    base_r, loop, plot, points
    • Replies: 0
    • Views: 1,429
    09-19-2014, 06:19 AM Go to last post
  24. Calculating effect size with interaction term

    If I am running multiple regression in r, what is the next step in order to get the effect size for all variables when there's also an interaction...

    Started by bcrider‎, 09-18-2014 03:11 PM
    effect size, interaction, r program, regression
    • Replies: 1
    • Views: 1,556
    09-19-2014, 03:13 AM Go to last post
  25. R: lines() and points() solution in multiple plots separated by groups

    I am relatively new to R and I am trying to do the following. I am looking for a way to generate single plots defined by group (based on the ID)....

    Started by redshoe‎, 09-19-2014 02:27 AM
    base_r, data.frame, lines, plot, points
    • Replies: 0
    • Views: 1,360
    09-19-2014, 02:27 AM Go to last post
  26. Desnsity weighted average between two quantiles (normal distribution)

    Hello! I want to calculate the density weighted aqverage between two quantiles. For instance I can calculate the quantiles of the normal...

    Started by consuli‎, 09-15-2014 04:37 PM
    • Replies: 1
    • Views: 2,068
    09-17-2014, 03:34 PM Go to last post
  27. how to thicken a line on ggplot2?

    hi! question, i'm trying to do a basic density plot on ggplot2 on which i want to overlay a normal distribution curve. the problem i have is...

    Started by spunky‎, 09-16-2014 04:15 PM
    • Replies: 3
    • Views: 7,735
    09-16-2014, 06:28 PM Go to last post
  28. Batch Forecast Multiple SKU's - Help

    Hello, I am new to R and ran a few tutorials on how to run a forecast for 1 SKU. I have also read this: ...

    Started by audan2009‎, 09-16-2014 04:02 PM
    batch forecast, forecasting
    • Replies: 2
    • Views: 3,551
    09-16-2014, 04:33 PM Go to last post
  29. Angry Estimation Problem ARMAX and ARMAX-GARCH

    Hey! Iam facing a problem with the estimation of ARMAX and ARMAX-GARCH models. The ARMAX model is estimated with arima() and the ARMAX-GARCH model...

    Started by lamse‎, 09-15-2014 03:32 AM
    • Replies: 2
    • Views: 2,787
    09-16-2014, 05:14 AM Go to last post
  30. R Studio won't open

    Hi all, Question about R Studio. I downloaded R and R Studio a few months ago. When I first tried to use them, R Studio froze my computer and I...

    Started by JWFan‎, 07-27-2014 07:27 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 13,112
    09-15-2014, 05:53 PM Go to last post
  31. Error when using msmFit in R

    I'm trying to generate transition probabilities in R using the Markov Switching method. I wrote the following code and then got the error as per...

    Started by hana88‎, 09-15-2014 08:59 AM
    • Replies: 0
    • Views: 3,520
    09-15-2014, 08:59 AM Go to last post
  32. How to perform sequential test for type of linearity

    Dear everyone, I am a newbie and I hope to receive your help. In the paper I attached below, there is a sequential test for type of linearity,...

    Started by cuong.tqk‎, 09-15-2014 03:40 AM
    • Replies: 0
    • Views: 1,206
    09-15-2014, 03:40 AM Go to last post
  33. Matching and returning values in R

    Hello, please forgive my ignorance, I want to return the year, mean SO2, from the data set pollution data of certain rows, where the sited_key...

    Started by chan‎, 09-13-2014 10:49 PM
    • Replies: 0
    • Views: 1,455
    09-13-2014, 10:49 PM Go to last post
  34. Processor cores - many or a few with speed?

    I am going to buy a new computer ( Dell workstation T5810 - Windows 8) to work with simulatons in R. Now I am asked what kind of processor I like...

    Started by Leif‎, 09-12-2014 05:44 AM
    processor cores
    • Replies: 0
    • Views: 1,625
    09-12-2014, 05:44 AM Go to last post
  35. plot start & end times on y axis

    Dear R's, I have the data attached in excel file I want to plot start and end time range on y axis I want to plot the data as displayed in...

    Started by nau‎, 09-11-2014 11:03 PM
    • Replies: 0
    • Views: 1,328
    09-11-2014, 11:03 PM Go to last post
  36. Fleming-Harrington weighted Log-Rank test help

    Hi, I am looking for a package that allows you to run the Fleming-Harrington weighted Log-Rank test with different combinations of Rho and Gamma. Any...

    Started by joyrus‎, 09-11-2014 10:42 PM
    • Replies: 0
    • Views: 2,112
    09-11-2014, 10:42 PM Go to last post
  37. Scaling the rows of a matrix

    I'm facing a problem while scaling(z-transform) the row values of a numeric data matrix,using the following code: rm(list=ls()) set.seed(12345)...

    Started by the_august‎, 09-11-2014 12:54 PM
    matrix, scaling
    • Replies: 0
    • Views: 1,778
    09-11-2014, 12:54 PM Go to last post
  38. How to define a field inside a dataframe based on the columnname and the rowname ?

    I have a dataframe called HMDAYTIME with the columnname "A" and the rownames "2" and "3", and based on a raw data csv called "DATA". My question...

    Started by The_AC‎, 09-11-2014 04:58 AM
    assign, column, dataframe, row, values
    • Replies: 0
    • Views: 1,201
    09-11-2014, 04:58 AM Go to last post
  39. How to input discrete pmf

    Hi there! I need to input this function into R, and I'm having some difficulty as to how to go about this: a discrete random variable X with pmf...

    Started by shelbyrocker‎, 09-10-2014 02:17 PM
    • Replies: 1
    • Views: 1,987
    09-10-2014, 02:40 PM Go to last post
  40. two way table with weighted statistics?

    Hi I'm trying to understand R. I often work with stata. I need to perform a simple cross tabulation table like this...

    Started by jfca283‎, 09-10-2014 01:45 AM
    • Replies: 0
    • Views: 1,258
    09-10-2014, 01:45 AM Go to last post
  41. ChAMP Help!!

    Hi everyone, I was wondering whether you would be able to help me with ChAMP. I'm working on the software through R studio and having difficulty...

    Started by avemcm‎, 09-09-2014 07:28 PM
    champ, methylation, r studio
    • Replies: 2
    • Views: 1,745
    09-09-2014, 10:14 PM Go to last post
  42. software to run ordinal generalized linear mixed model with nonproportional odds?

    Does any body know of a software program that will allow me to run an ordinal generalized linear mixed model with nonproportional odds? I've been...

    Started by Cynthia Tedore‎, 09-06-2014 04:17 AM
    mixcat, mixed model, nonproportional odds, npmlt, ordinal
    • Replies: 0
    • Views: 1,258
    09-06-2014, 04:17 AM Go to last post
  43. please help on the gap plot

    With the below dataset, the variables are CONCentration, DOSE and TIME. I would like to display dosing information on the gap plots. Dosing...

    Started by zzz‎, 09-03-2014 06:37 PM
    • Replies: 5
    • Views: 2,372
    09-04-2014, 04:18 PM Go to last post
  44. Westfall Regression ;)

    So I was explaining a problem I had a while back with question types as follows: Did you receive information on university from a career...

    Started by Lazar‎, 09-03-2014 07:02 PM
    • Replies: 1
    • Views: 2,150
    09-03-2014, 07:16 PM Go to last post
  45. fportfolio package

    Hi Guys, Completely new to the site and to R in general. I'm currently watching a very useful youtube tutorial related to financial applications...

    Started by esuric‎, 09-03-2014 08:58 AM
    • Replies: 2
    • Views: 3,654
    09-03-2014, 09:22 AM Go to last post
  46. how to save MLR output?

    Hi, How can one save the outputs for 1. step-wise regression (steps, summary and anova) 2. summary (lm) 3. anova(lm) into text or word files...

    Started by Deccantraps‎, 08-31-2014 03:59 AM
    save output
    • Replies: 3
    • Views: 1,802
    09-02-2014, 06:18 PM Go to last post
  47. simulating beta-hat in regression

    how would you go about simulating beta-hat in multiple regression if you wanted to illustrate convergence? The reason I'm asking is because of the...

    Started by JesperHP‎, 09-02-2014 01:37 PM
    • Replies: 2
    • Views: 1,517
    09-02-2014, 03:52 PM Go to last post
  48. ARMAX-GARCHX model with QML-Estimation

    Hey guys, I am currently facing a problem with my data, which does not necessarily fulfill the normality assumptions. The ML estimation should...

    Started by lamse‎, 09-02-2014 02:31 AM
    • Replies: 4
    • Views: 3,254
    09-02-2014, 03:44 PM Go to last post
  49. Wordfish task - first issue "package ‘tm’ was built under R version 2.15.3"

    Hello and thank you for taking the time to read my thread, Background: I plan on using Wordfish and TM to measure change in political positions...

    Started by Edmund‎, 09-01-2014 04:51 PM
    • Replies: 4
    • Views: 6,164
    09-01-2014, 07:10 PM Go to last post
  50. Resampling in R

    Hi I want to generate two sets of random numbers and see how many times the same number appears in both columns. In R I have been using the code...

    Started by hyenaconflict‎, 08-29-2014 11:06 AM
    r commands, replicate, sample
    • Replies: 5
    • Views: 2,634
    09-01-2014, 05:46 AM Go to last post
  51. Problem in putting variable into axis label

    Hello! I have built the attached function to calculate the significance of selected dimensions of Correspondence Analysis (it requires the...

    Started by gianmarco‎, 08-31-2014 10:30 AM
    • Replies: 6
    • Views: 1,756
    08-31-2014, 02:03 PM Go to last post
  52. "Error in manova, need multiple responses"

    I'm a little baffled by this. I have a set of data with the following headers: Condition, Teacher, Level, All, C1, C2, C3 The first three are the...

    Started by JoynerCN‎, 11-15-2013 12:08 AM
    • Replies: 4
    • Views: 6,386
    08-30-2014, 03:24 PM Go to last post
  53. [R packages] I want to know using the fastSOM packages correctly and plot spillover

    I recently know the fastSOM package from google. So I download the package. But I’m beginner in R. And I really want to studying spillover...

    Started by wawataiji‎, 08-30-2014 12:23 PM
    fastsom packages, rprogram, spillover
    • Replies: 3
    • Views: 4,372
    08-30-2014, 01:58 PM Go to last post
  54. Is this a valid DSN and if so, why can't I odbcConnect?

    I am trying to 'prove-a-concept': MySQL+R+LaTeX report generation for my department. RODBC is installed and loaded. I have created a sample...

    Started by soon‎, 08-30-2014 08:15 AM
    • Replies: 0
    • Views: 1,765
    08-30-2014, 08:15 AM Go to last post
  55. Copulas in R

    Hello, I want to simulate the portfolio-VAR using copulas. In the simulation I wanna use copulas instead of correlations, as they are more...

    Started by consuli‎, 08-29-2014 01:45 PM
    • Replies: 1
    • Views: 2,849
    08-29-2014, 03:42 PM Go to last post
  56. Latent Profile Analysis in R - Is it possible?

    Hello Forum, I am trying to run latent profile analysis for a work project. The measure includes 8 continuous variables (5-point Likert scale...

    Started by Samstats‎, 08-28-2014 07:31 PM
    latent profile anaysis, lpa, polca
    • Replies: 4
    • Views: 7,006
    08-28-2014, 10:05 PM Go to last post
  57. parse text into list of list

    Hi Folks, I have some bibtex data as follows: @article{ author = {Atkin, A. J. and Gorely, T. and Biddle, S. J. and Marshall, S. J. and...

    Started by Lazar‎, 08-27-2014 10:37 PM
    • Replies: 13
    • Views: 2,550
    08-28-2014, 07:54 PM Go to last post
  58. Stepwise regression in R using multiple variables of choice

    Hello all. I need a little help in translating SPSS language into R. In SPSS, you can run stepwise regression by entering them into "Blocks"...

    Started by bunguman‎, 08-20-2012 05:25 PM
    regression, spss, stepwise
    • Replies: 3
    • Views: 4,505
    08-26-2014, 12:35 PM Go to last post
  59. How to change the color gradient of kernel density estimation in R (MASS package)

    Hey there, I processed kernel density estimation on data points and I got the result attached which is all good. The only thing I need to change...

    Started by koronfelina‎, 08-24-2014 06:16 PM
    • Replies: 1
    • Views: 2,144
    08-25-2014, 03:39 PM Go to last post
  60. Plotting hurdle regression results

    I am attempting to plot hurdle regression output with an interaction term in R, but I having some trouble doing so with the negative binomial count...

    Started by Nick123‎, 08-22-2014 01:49 AM
    • Replies: 0
    • Views: 1,630
    08-22-2014, 01:49 AM Go to last post

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