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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: 271,669
    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: 112,496
    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: 13,578
    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: 117,466
    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: 257,310
    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: 124,856
    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: 26,240
    10-17-2012, 07:20 PM Go to last post
  1. Efficient R coding

    Consider the following data frame: dat <- data.frame(x=c(0,128.96,0,397.37,56.80,0,801.79,340.79), ...

    Started by user1234‎, 02-23-2017 09:46 AM
    r code help, r coding, r programming help, simulation
    • Replies: 1
    • Views: 2,030
    03-28-2017, 10:13 AM Go to last post
  2. Arguments imply differing number of rows: 1, 0

    I am trying to generate a cdf plot by using ggplot and have looked at some examples online. However when I try to replicate it I get the following...

    Started by john9427‎, 03-24-2017 09:35 AM
    r software, rstudio
    • Replies: 0
    • Views: 2,143
    03-24-2017, 09:35 AM Go to last post
  3. [SOLVED] Extending axes in R

    Hi I'm trying to create scattergraphs of data. I'm simply using plot(variable1, variable2, col = "red") for now. But I want the y-axis...

    Started by iwsmuir105‎, 03-23-2017 03:08 PM
    • Replies: 2
    • Views: 1,214
    03-23-2017, 06:12 PM Go to last post
  4. lmer multilevel model

    Hi to all, I want to look at the change in the percentage of income savings measured in dollars using repeated measures data for older adults. I...

    Started by leonedelman‎, 03-22-2017 12:26 PM
    lmer, multilevel model
    • Replies: 0
    • Views: 983
    03-22-2017, 12:26 PM Go to last post
  5. plot a subset of intervals after lmList

    Dear reader, I am a first timer here (and an R newbie), so please tell me if you need more information to answer the following question: I have...

    Started by DirkSa‎, 03-20-2017 01:43 PM
    intervals, lmlist, nlme, plot
    • Replies: 0
    • Views: 1,122
    03-20-2017, 01:43 PM Go to last post
  6. ggplot2: position_dodge not working

    I am having trouble getting position_dodge to work to add space between the bars. I have not been able to get any solution I've found online to work...

    Started by atamalu‎, 03-17-2017 04:51 PM
    • Replies: 0
    • Views: 1,763
    03-17-2017, 04:51 PM Go to last post
  7. Turning an R script into an exexutable

    hi, before R I used to be big fan if Perl- and there we had an option to turn a script into an exe file so that people could use it without having...

    Started by rogojel‎, 03-17-2017 10:30 AM
    exe, script
    • Replies: 1
    • Views: 1,447
    03-17-2017, 11:14 AM Go to last post
  8. permutations "partykit"

    Hello, I am new to R and I was reading about conditional decision trees. In the "party" package there is an option to select number of...

    Started by szm‎, 03-14-2017 12:26 PM
    conditional trees, decision trees, party, partykit, permutations
    • Replies: 2
    • Views: 1,339
    03-14-2017, 04:58 PM Go to last post
  9. proportional odds assumption in r

    Dear All, I would like to check proportional odds assumption below. I need to graph log((1-S(t))/S(t)) versus log t. I also want to label y axis...

    Started by masarimk‎, 03-10-2017 04:51 AM
    proportional odds
    • Replies: 0
    • Views: 3,285
    03-10-2017, 04:51 AM Go to last post
  10. Seeking help with creating simple function

    Thanks for reading!! I'm trying to make create functions for second stage mean, variance, standard deviation, and standard error. My data is...

    Started by lauren321‎, 03-03-2017 12:26 PM
    • Replies: 9
    • Views: 1,826
    03-07-2017, 01:55 PM Go to last post
  11. Simulating Data

    Hi! I have a bit of a weird question. I'd like to simulate data that looks like this in R: ...

    Started by jamesmartinn‎, 03-01-2017 08:31 AM
    • Replies: 6
    • Views: 2,906
    03-01-2017, 12:02 PM Go to last post
  12. ggseasonplot Change Starting Label

    In the 'forecast' 8.0 package in R, you can run the below code and get the accompanying figure. The default on the figure is to start labels for...

    Started by hlsmith‎, 02-28-2017 11:36 AM
    • Replies: 12
    • Views: 3,311
    02-28-2017, 05:15 PM Go to last post
  13. Probit Marginal Effects output for Latex

    I am computing probit marginal effects from R mfx package. I want to generate Latex code for the marginal effects output. I tried stargazer package...

    Started by rizwan‎, 02-28-2017 11:07 AM
    latex, stargazer
    • Replies: 0
    • Views: 2,150
    02-28-2017, 11:07 AM Go to last post
  14. Problem with create a PowerPoint document from a template file (R - ReporteRs)

    Hi everyone, I have a problem with loading a template file (attachment file prueba.pptx), if I execute in R the following code from the web...

    Started by karlo‎, 02-25-2017 06:50 PM
    • Replies: 0
    • Views: 2,017
    02-25-2017, 06:50 PM Go to last post
  15. Data Cleaning - Wide Multi-Type Table to Tidy Data

    Data Source Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec....

    Started by bryangoodrich‎, 02-23-2017 04:39 PM
    • Replies: 2
    • Views: 2,710
    02-23-2017, 07:17 PM Go to last post
  16. Linear mixed effect model in priming experiment

    we conducted a priming experiment. subjects and items are randomly chosen, so we need to have by-item and by-subject analysis. In the experiment,...

    Started by rainamo‎, 02-22-2017 09:25 PM
    linear mixed effect model
    • Replies: 0
    • Views: 1,960
    02-22-2017, 09:25 PM Go to last post
  17. how to give column names for a data in R

    hello, I have a file with 1117 columns and I have the names of these columns but how to give the names to those columns it is not efficient to...

    Started by Marwah Soliman‎, 02-14-2017 10:03 PM
    rprogram
    • Replies: 3
    • Views: 2,713
    02-18-2017, 08:49 PM Go to last post
  18. extract first value from multiple columns

    i am trying to do this in R. it is equivalent to the stata command rowfirst suppose i have four columns as shown below (T1, T2, T3, T4). I want to...

    Started by leonedelman‎, 02-08-2017 07:28 PM
    extract, matrix, r statistics, rowfirst, stata
    • Replies: 4
    • Views: 3,720
    02-16-2017, 03:50 AM Go to last post
  19. Help in analyse display

    Hi. I used R to preform "logistic mixed-mode", and now i struggling in how to present it in a table. Maybe someone has an example that i can...

    Started by tal_spi‎, 02-13-2017 04:03 AM
    logistic, mixed model
    • Replies: 0
    • Views: 2,092
    02-13-2017, 04:03 AM Go to last post
  20. Problem in installation of quantreg in R ubuntu 16.04

    > install.packages("quantreg") Installing package into /home/aditya/R/x86_64-pc-linux-gnu-library/3.3 (as lib is unspecified) trying URL...

    Started by Aditya2956‎, 02-12-2017 10:41 PM
    bioconductor, libgfortran, quantreg, ubuntu
    • Replies: 0
    • Views: 1,746
    02-12-2017, 10:41 PM Go to last post
  21. Post help on CM timeline graph with R is appreciated

    conmed = structure(list(id = c(2L, 2L), cmstdate = structure(c(2L, 1L), .Label = c("1/1/2014", "1/3/2014"), class = "factor"), cmmed =...

    Started by zzz‎, 02-12-2017 01:05 AM
    • Replies: 0
    • Views: 1,704
    02-12-2017, 01:05 AM Go to last post
  22. Marginal effects for poisson count data model ERROR

    Hi, just as it is stated in the title, I have a problem with creating a graph of factors influencing the number of trips abroad. Can anyone help me?...

    Started by dinomilka‎, 02-09-2017 08:36 AM
    error, marginal effects, poisson
    • Replies: 1
    • Views: 1,938
    02-11-2017, 04:11 PM Go to last post
  23. removing rows SNPS according to proportion minor allele < 5%

    hello, I know this should be easy but my brain can't get it I have the following part of data as data is 900,000 rows * 1000 columns ...

    Started by Marwah Soliman‎, 02-11-2017 10:35 AM
    rprogram
    • Replies: 0
    • Views: 1,768
    02-11-2017, 10:35 AM Go to last post
  24. replace -inf with 0 in data

    hello, I have data set about gene expression I discovered that there was some -inf in the data I need to replace them with zero my data is...

    Started by Marwah Soliman‎, 02-10-2017 12:30 AM
    rprogram
    • Replies: 1
    • Views: 2,157
    02-10-2017, 06:59 AM Go to last post
  25. Exclamation Help! Brand new at r! Do you see the error here?

    Can anyone see the error in this? I have used a mock-up model successfully twice, with same spacing, etc., and have gotten great graphs (in the 29...

    Started by SAJ2017‎, 02-08-2017 11:13 PM
    help me, help please, help!, help?
    • Replies: 1
    • Views: 1,975
    02-09-2017, 01:01 AM Go to last post
  26. Webcrawling with R

    Hey! I am looking for a R script that can "crawl" through a website (the whole website not one single page) for specific words and make an output...

    Started by Nick1234‎, 02-03-2017 03:09 AM
    text mining, web scraping
    • Replies: 1
    • Views: 2,179
    02-07-2017, 03:38 PM Go to last post
  27. VAR Model

    Hello everybody, Im trying to code a var model and I need some help. Im trying to answer the question if a shock has an influence on the...

    Started by Ancy‎, 02-06-2017 04:17 PM
    • Replies: 0
    • Views: 2,000
    02-06-2017, 04:17 PM Go to last post
  28. I need some help with R. I am a new user and I am struggling to write one script.

    Hi, I am having difficulty with writing a script in R. What I am trying to get is: - I have a list of Product Codes and Product...

    Started by diods87‎, 02-06-2017 05:24 AM
    • Replies: 0
    • Views: 1,636
    02-06-2017, 05:24 AM Go to last post
  29. Data frame is loaded but a filter command not working - newbie

    filter (KEYINFOX_CD, Filler1 == "10200") gives an error of object not found for Filler1 even though the data frame is loaded and a summary shows the...

    Started by johnorourke‎, 01-31-2017 02:42 PM
    • Replies: 4
    • Views: 1,808
    01-31-2017, 04:55 PM Go to last post
  30. Comparing frequency distribution between the subsets of the datasets

    Hello, I have met some problem with testifying differences between frequencies. Let's me present it with concrete example. 1. I have 100 sample...

    Started by Ortolan‎, 01-29-2017 04:00 PM
    difference of proportions, frequency data, subsets, testing of hypothesis
    • Replies: 0
    • Views: 2,336
    01-29-2017, 04:00 PM Go to last post
  31. Map snps into a ref gene file using R

    I have the following data set about the snps ID POS ID 78599583 rs987435 33395779 rs345783 ...

    Started by Marwah Soliman‎, 01-19-2017 08:28 PM
    r programing
    • Replies: 4
    • Views: 3,107
    01-29-2017, 03:55 AM Go to last post
  32. efficient R code

    I have the following code in R to creat .ped file and .map file that is used in Plink "open-source whole genome association analysis toolset" I...

    Started by Marwah Soliman‎, 01-26-2017 06:55 PM
    biostatistics, rprogram
    • Replies: 1
    • Views: 2,480
    01-26-2017, 09:30 PM Go to last post
  33. [SOLVED] Shiny 2

    A follow up to a previous post on shiny. I am now trying to create a reactive ggplot where I have a select input box for x and y variables, based...

    Started by bugman‎, 01-19-2017 12:48 AM
    • Replies: 5
    • Views: 3,806
    01-26-2017, 06:45 PM Go to last post
  34. How to make ugly greyscale plot pretty? :(

    Hi all! So I'm getting ready some plots for my next manuscript. As some of us know, colour images are frowned upon among journal editors and they...

    Started by spunky‎, 01-25-2017 12:22 PM
    greyscale
    • Replies: 12
    • Views: 3,306
    01-25-2017, 06:53 PM Go to last post
  35. Multilevel moderated mediation with repeated measures in R

    Hello, I am fairly new to R, and am trying to conduct a moderated mediation using R. I have found the sobel test syntax in the Multilevel Modeling...

    Started by GS1‎, 01-24-2017 03:45 PM
    • Replies: 0
    • Views: 2,650
    01-24-2017, 03:45 PM Go to last post
  36. how to predict which variable has the highest good/bad impact on my result?

    ...continuing on my machine learning journey here. So I know the method of finding the best algorithm to build a model (i,e cross validation, test,...

    Started by semidevil‎, 01-06-2017 04:00 PM
    • Replies: 7
    • Views: 3,878
    01-24-2017, 12:32 PM Go to last post
  37. Help with R GLM Formula for paired/nested model

    I have an experimental design as follows: Two treatments, carried out on the same sample. The samples are collected from soil at five depths, in...

    Started by rw2‎, 01-24-2017 11:00 AM
    experimental design, glm, lmer, nested design, paired difference test
    • Replies: 0
    • Views: 1,935
    01-24-2017, 11:00 AM Go to last post
  38. Repeating Sequence

    Hi! I'd like to make the following code dynamic in the sense that the user can set a starting value and elements of a string will be replicated...

    Started by jamesmartinn‎, 01-19-2017 09:07 AM
    • Replies: 3
    • Views: 3,251
    01-19-2017, 09:47 AM Go to last post
  39. [SOLVED] Shiny Error

    So I am mucking around with Shiny and trying to create a number of tab panels to perform different tasks. I thought I was going along the right...

    Started by bugman‎, 01-18-2017 07:30 PM
    • Replies: 3
    • Views: 7,776
    01-18-2017, 09:30 PM Go to last post
  40. IV Regression with binary outcome

    I have a binary variable y which I am aiming to model using instrumental variable regression. Both X and the IV are continuous. ivpak in R does not...

    Started by Lazar‎, 01-16-2017 11:32 PM
    instrumental variables
    • Replies: 6
    • Views: 3,948
    01-18-2017, 09:58 AM Go to last post
  41. Subset based on missing in differnet variables

    Suppose I have credit ratings for 5 years (credit1, credit2, credit3, credit4, credit5). I only want to keep observations which have at least three...

    Started by leonedelman‎, 01-14-2017 08:32 AM
    drop, r program, subset
    • Replies: 1
    • Views: 2,432
    01-15-2017, 12:39 PM Go to last post
  42. Question How can I make a decision tree in R?

    Hi, I'm a R beginner. I want to make a desicion tree. I tried a lot of tutorials, but none of it work, because my data is other than the data in...

    Started by Jeti‎, 01-13-2017 08:18 AM
    • Replies: 4
    • Views: 3,402
    01-13-2017, 10:29 AM Go to last post
  43. ANOVA - 2 factors with interaction

    Hi, I'm writing you because I need some help to resolve a statistical problem... I study two populations that gather individuals (n=2x80)...

    Started by SPR369‎, 01-12-2017 04:44 AM
    • Replies: 3
    • Views: 2,998
    01-13-2017, 03:46 AM Go to last post
  44. Link = log code won't work

    Hi, doing a generalised linear model with poisson distribution, here is my model code... ...

    Started by whyisstatssohard‎, 01-11-2017 09:15 AM
    generalised linear models, generalized linear model, glm, link function, poisson distribution
    • Replies: 2
    • Views: 3,357
    01-11-2017, 05:27 PM Go to last post
  45. General and generalised linear models

    Hi, I've done a few GLM's with poisson distribution, the code I've used is ...

    Started by whyisstatssohard‎, 01-09-2017 06:34 PM
    general linear model, generalised linear models, glm, glm assumptions, glm diagnostocs
    • Replies: 1
    • Views: 2,769
    01-09-2017, 07:29 PM Go to last post
  46. Statistical difference from Shannon Wiener and Simpson Indices

    Hello there, I am struggling to compare the results of the Shannon Wiener Index between two seasons. I have done the indices between camera trap...

    Started by Nas‎, 01-07-2017 03:25 PM
    • Replies: 1
    • Views: 2,822
    01-07-2017, 03:52 PM Go to last post
  47. Possible to create GUI applications in HTML with R in background

    Hello. Is it possible to create a GUI application by using R in background? I need to create some GUI with graphs, buttons, checkboxes and I have...

    Started by Volvo742‎, 01-06-2017 09:26 PM
    • Replies: 2
    • Views: 3,835
    01-07-2017, 02:34 PM Go to last post
  48. suggestions on improving my predictive model

    I'm playing with some data from the UCI repository. I got an algorithm going here, but I'm wondering if there is any other way to improve it. Looking...

    Started by semidevil‎, 01-06-2017 04:57 PM
    • Replies: 1
    • Views: 2,962
    01-07-2017, 04:09 AM Go to last post
  49. Dividing a dataset into groups

    allright this should be pretty simple, i have a dataset containing around 4000 entries, each of these entries has a column called "age" with values...

    Started by kobun‎, 01-06-2017 01:14 PM
    • Replies: 1
    • Views: 3,043
    01-06-2017, 02:13 PM Go to last post
  50. How to do an actual prediction in R.

    I'm going through a machine learning book and I understand all the steps to finding the best algorithm(preprocessing, cross validation, tuning,...

    Started by semidevil‎, 12-31-2016 11:31 AM
    • Replies: 4
    • Views: 4,284
    01-06-2017, 12:30 PM Go to last post
  51. Prediction and Poisson

    I have been set the tast of running a Poisson regression and then using the predict command to predict the number of visits to the doctors per age...

    Started by sarahharding‎, 01-05-2017 10:10 AM
    predict function
    • Replies: 0
    • Views: 3,498
    01-05-2017, 10:10 AM Go to last post
  52. Multinomial logistic regression

    Hi, I'm quite new to R and I need a little advise on whether multinomial logistic regression is right for what I'm hoping to do for my data....

    Started by whyisstatssohard‎, 12-29-2016 04:39 PM
    data analysis, help needed, logisitic regression, multinomial regression
    • Replies: 14
    • Views: 7,110
    01-05-2017, 10:03 AM Go to last post
  53. Precalculated error bars in barplot

    Hi all A basic question, but having trawled the net, I cannot find an answer! I'm using barplot in R to plot the mean value that I have for 15...

    Started by JRS‎, 12-29-2016 05:04 PM
    • Replies: 1
    • Views: 3,395
    12-30-2016, 11:13 AM Go to last post
  54. How to included R code into an academic paper

    I'm wondering if somebody could advise me in how to include R code into an academic paper? Should I include the code as text or as a figure? ...

    Started by bikingman‎, 12-22-2016 06:48 PM
    • Replies: 3
    • Views: 4,330
    12-30-2016, 07:53 AM Go to last post
  55. Estimated marginal means (+/-SE) in mixed-effect model for two or more fixed effects

    After specifying a mixed-effect model (using lme4 package) with 2+ fixed factors, for example: model = lmer(DV ~ facA * facB + (1|subject),...

    Started by Martin Marko‎, 12-29-2016 08:15 AM
    mixed effect
    • Replies: 0
    • Views: 2,851
    12-29-2016, 08:15 AM Go to last post
  56. Post hoc ANCOVA question regarding multiple comparison

    Hello everybody! I am doing a PhD thesis on impact of habitat on fish condition. I am comparing three regression lines by testing the effect of...

    Started by Ilanius‎, 12-28-2016 03:27 PM
    • Replies: 0
    • Views: 2,728
    12-28-2016, 03:27 PM Go to last post
  57. how to fix: Something is wrong; all the RMSE metric values are missing:

    I'm practicing with the Caret Package in doing a GLM training for the bostonhousing data, from the mlbench package. However, when I run my cross...

    Started by semidevil‎, 12-27-2016 04:16 PM
    • Replies: 0
    • Views: 3,926
    12-27-2016, 04:16 PM Go to last post
  58. JAGS error: Node inconsistent with parents

    I am trying to apply Benedict Escoto's method from the paper "Bayesian Claim Severity with Mixed Distributions," published in Variance. I seem to be...

    Started by Alp Can‎, 12-27-2016 09:37 AM
    jags
    • Replies: 0
    • Views: 3,620
    12-27-2016, 09:37 AM Go to last post
  59. creating a vector of integers from c(3,2,4) to c(6,5,9)

    Let's say I have an integer vector of starting positions and an integer vector of ending positions that is the same length, and I want to make one...

    Started by efoss‎, 12-16-2016 10:24 PM
    • Replies: 3
    • Views: 3,600
    12-17-2016, 11:22 AM Go to last post
  60. Oneway test post hoc processing HELP beginner

    Hi, I am stuck with an exercise I have to do regarding one-way anova. The exercise gives you 4 vectors, a,b,c & d. It asks to run these 2 tests:...

    Started by dieselonthecouch‎, 12-17-2016 07:02 AM
    • Replies: 0
    • Views: 2,838
    12-17-2016, 07:02 AM Go to last post

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