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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
    25 Pages
    1 2 3 ... 25
    • Replies: 362
    • Views: 150,279
    01-04-2017, 10:39 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
    9 Pages
    1 2 3 ... 9
    • Replies: 120
    • Views: 62,724
    12-13-2016, 05:47 PM Go to last post
  3. 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
    news
    • Replies: 110
    • Views: 57,880
    10-05-2016, 08:33 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
    20 Pages
    1 2 3 ... 20
    • Replies: 286
    • Views: 133,040
    09-13-2016, 04:35 PM Go to last post
  5. 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
    information
    • Replies: 100
    • Views: 71,321
    04-14-2016, 02:02 PM Go to last post
  6. 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: 4,528
    02-02-2016, 05:41 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 08:20 PM
    • Replies: 0
    • Views: 15,516
    10-17-2012, 08:20 PM Go to last post
  1. 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: 152
    02-23-2017, 07:17 PM Go to last post
  2. 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: 0
    • Views: 92
    02-23-2017, 09:46 AM Go to last post
  3. 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: 79
    02-22-2017, 09:25 PM Go to last post
  4. Details on missing data in R

    Hello all, Say I have data as shown below. I want to generate a report in R like this: Missing 0 tests: 1 Missing 1 test: 2 Missing 2 tests: 2...

    Started by leonedelman‎, 02-22-2017 01:13 PM
    dataframe, descriptive, missing, r statistics
    • Replies: 0
    • Views: 76
    02-22-2017, 01:13 PM Go to last post
  5. 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: 260
    02-18-2017, 08:49 PM Go to last post
  6. 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: 344
    02-16-2017, 03:50 AM Go to last post
  7. 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: 137
    02-13-2017, 04:03 AM Go to last post
  8. 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: 146
    02-12-2017, 10:41 PM Go to last post
  9. 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: 112
    02-12-2017, 01:05 AM Go to last post
  10. 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: 160
    02-11-2017, 04:11 PM Go to last post
  11. 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: 108
    02-11-2017, 10:35 AM Go to last post
  12. 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: 178
    02-10-2017, 06:59 AM Go to last post
  13. 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: 138
    02-09-2017, 01:01 AM Go to last post
  14. 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: 265
    02-07-2017, 03:38 PM Go to last post
  15. 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: 150
    02-06-2017, 04:17 PM Go to last post
  16. 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: 175
    02-06-2017, 05:24 AM Go to last post
  17. 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: 282
    01-31-2017, 04:55 PM Go to last post
  18. 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: 241
    01-29-2017, 04:00 PM Go to last post
  19. 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: 412
    01-29-2017, 03:55 AM Go to last post
  20. 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: 273
    01-26-2017, 09:30 PM Go to last post
  21. [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: 519
    01-26-2017, 06:45 PM Go to last post
  22. Error - R Script Excecution via Windows Task and German Characters in column name

    Dear all, I am excecuting an R-Script via Windows 7 Taskmanager (i created the task via "tasksheduleR"). System will run the script but not finish...

    Started by tester1234‎, 01-26-2017 09:22 AM
    • Replies: 0
    • Views: 201
    01-26-2017, 09:22 AM Go to last post
  23. 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: 318
    01-25-2017, 06:53 PM Go to last post
  24. 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: 233
    01-24-2017, 03:45 PM Go to last post
  25. 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: 572
    01-24-2017, 12:32 PM Go to last post
  26. 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: 184
    01-24-2017, 11:00 AM Go to last post
  27. 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: 297
    01-19-2017, 09:47 AM Go to last post
  28. [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: 420
    01-18-2017, 09:30 PM Go to last post
  29. 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: 458
    01-18-2017, 09:58 AM Go to last post
  30. 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: 285
    01-15-2017, 12:39 PM Go to last post
  31. 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: 312
    01-13-2017, 10:29 AM Go to last post
  32. Density plot 3d for clustering

    Good morning everybody. I want to ask you if it is possibile to build a 3d density plot in order to show the density of a cluster, having the scores...

    Started by Ferdinando Coppola‎, 01-13-2017 04:54 AM
    3d plot, clustering
    • Replies: 0
    • Views: 241
    01-13-2017, 04:54 AM Go to last post
  33. 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: 294
    01-13-2017, 03:46 AM Go to last post
  34. 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: 322
    01-11-2017, 05:27 PM Go to last post
  35. 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: 318
    01-09-2017, 07:29 PM Go to last post
  36. 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: 387
    01-07-2017, 03:52 PM Go to last post
  37. 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: 363
    01-07-2017, 02:34 PM Go to last post
  38. 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: 336
    01-07-2017, 04:09 AM Go to last post
  39. 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: 282
    01-06-2017, 02:13 PM Go to last post
  40. 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: 602
    01-06-2017, 12:30 PM Go to last post
  41. 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: 295
    01-05-2017, 10:10 AM Go to last post
  42. 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: 871
    01-05-2017, 10:03 AM Go to last post
  43. 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: 390
    12-30-2016, 11:13 AM Go to last post
  44. 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: 687
    12-30-2016, 07:53 AM Go to last post
  45. 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: 341
    12-29-2016, 08:15 AM Go to last post
  46. 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: 326
    12-28-2016, 03:27 PM Go to last post
  47. 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: 433
    12-27-2016, 04:16 PM Go to last post
  48. 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: 370
    12-27-2016, 09:37 AM Go to last post
  49. 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: 639
    12-17-2016, 11:22 AM Go to last post
  50. 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: 419
    12-17-2016, 07:02 AM Go to last post
  51. Retrieve PE, PEG and Dividend Yield of Hong Kong HangSeng Index through R Quantmod

    Hi All, I seek for advice on how to retrieve PE, PEG and Dividend Yield of Hong Kong HangSeng Index or particular stock (such as 0005.HK) through...

    Started by HenryWai‎, 12-14-2016 12:51 PM
    quantmod
    • Replies: 0
    • Views: 450
    12-14-2016, 12:51 PM Go to last post
  52. Parallel boxplots of all quantitative variables in mtcars data set?

    Does anyone know how to do this? I know how to display boxplots of individual variables such as, and I'll stay in the mtcars data set: ...

    Started by DV Man‎, 12-12-2016 03:25 PM
    • Replies: 2
    • Views: 701
    12-12-2016, 05:55 PM Go to last post
  53. Want to use mutate with two different data sets in dplyr

    Like before, my data sets are too large, so I will try my hand again at a reproducible example. t <- data.frame( Season = c(1985,...

    Started by DV Man‎, 12-11-2016 09:18 PM
    • Replies: 5
    • Views: 523
    12-11-2016, 11:40 PM Go to last post
  54. Sequential numbering for each month on a period of time

    Hi All, I am a beginner in R. I have a period of dates in my data set starting 10th April'2006 till 31st Aug'2016. Its a period of 125 months....

    Started by kbsudhir‎, 12-06-2016 01:03 PM
    • Replies: 4
    • Views: 630
    12-11-2016, 11:21 PM Go to last post
  55. Want to merge data frames, do I use match?

    I have the following dataset, which I will attach in a PDF due to a character restraint, and want to match its condition (ISO >= .163) with all age...

    Started by DV Man‎, 12-10-2016 04:00 PM
    • Replies: 8
    • Views: 614
    12-11-2016, 07:18 AM Go to last post
  56. Vungle Project

    I am working on my final project for my Data Analysis class, where I have to give a presentation. I have been given a dataset, called Vungle. Here it...

    Started by DV Man‎, 12-03-2016 02:11 PM
    • Replies: 13
    • Views: 878
    12-08-2016, 08:39 PM Go to last post
  57. Which type of graphs should I use to illustrate results for a paired t-test?

    I have a paired t-test, and am having trouble picking what graphs to use to illustrate some results for my presentation. Here is my data: vungle...

    Started by DV Man‎, 12-07-2016 03:20 PM
    • Replies: 13
    • Views: 677
    12-08-2016, 08:59 AM Go to last post
  58. Question [Help] Simple Markov Switching Model script?

    Hello everyone! I currently am looking for a way to analyze data using a Markov Switching Model, yet I am a complete idiot when it comes to...

    Started by shabada‎, 12-07-2016 10:45 AM
    • Replies: 0
    • Views: 424
    12-07-2016, 10:45 AM Go to last post
  59. Error in `[.data.frame`(x, xok) : undefined columns selected

    Here is my data vungle <- structure(list(Strategy = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L,...

    Started by DV Man‎, 12-07-2016 08:25 AM
    • Replies: 2
    • Views: 448
    12-07-2016, 09:14 AM Go to last post
  60. Loops and Conditions with a Data Frame

    Hello all, I am moving from SAS to R, and getting a few difficulties. I have a data frame called DF. It contains 3 variables (see attached...

    Started by Yankel‎, 12-03-2016 04:40 AM
    • Replies: 6
    • Views: 761
    12-06-2016, 02:51 AM Go to last post

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