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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: 271,614
    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: 112,460
    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: 13,570
    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: 117,438
    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: 257,260
    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: 124,828
    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: 26,236
    10-17-2012, 07:20 PM Go to last post
  1. List of Financial Data Sources accessible via R Interface

    List of Financial Data Sources accessible via R Interface

    Started by consuli‎, 01-12-2015 05:08 AM
    • Replies: 0
    • Views: 2,277
    01-12-2015, 05:08 AM Go to last post
  2. Very high standard error for LD50

    Hi, I'm using dose.p function from MASS to work out the LD50 from 6 concentrations, but I end up with a standard error around 4 orders of...

    Started by Zaphod‎, 01-09-2015 08:06 AM
    • Replies: 3
    • Views: 1,801
    01-11-2015, 10:54 AM Go to last post
  3. Package and bundle R

    I have an R script and would like to package/bundle it along with R installation files and all other necessary files to run on a new computer that...

    Started by awonen‎, 01-10-2015 01:59 PM
    bundle, exe, standalone
    • Replies: 1
    • Views: 1,430
    01-11-2015, 06:48 AM Go to last post
  4. Tips for learning R.

    Hi everyone While I realize that there is extensive information on this website/thread about R resources. I was wondering if someone could suggest...

    Started by excelmac‎, 01-04-2015 03:07 PM
    • Replies: 11
    • Views: 2,330
    01-09-2015, 09:10 AM Go to last post
  5. Arrow Anybody knows how to specify a latent class model using FLXMRLMER in R?

    Hi Everyone, I'm trying to use the package 'flexmix' in R to specify latent class models. I want to specify a model that has random effects. I...

    Started by Adiosamigos‎, 12-31-2014 05:52 PM
    flexmix, flxmrlmer, latent class modeling, random effects
    • Replies: 2
    • Views: 1,428
    01-07-2015, 09:33 AM Go to last post
  6. code error

    hey all, I'm getting the below error and am pretty sure it is related to barplot(table(sdata$Gender.temp)), but I don't know what to do to...

    Started by stf‎, 01-06-2015 06:11 PM
    • Replies: 0
    • Views: 712
    01-06-2015, 06:11 PM Go to last post
  7. Unhappy [Winbugs] great divergence between prior and posterior distribution in Winbugs

    Hi, I am new starter of Winbugs. I am trying to simulate exporting coefficients of land uses based on the measurements of water nutrients. The prior...

    Started by yqxia‎, 01-06-2015 02:06 PM
    prior; posterior, winbugs
    • Replies: 0
    • Views: 1,135
    01-06-2015, 02:06 PM Go to last post
  8. Find whether one mean is very different from all others in multiple measurements

    I have many data frames like the one reproduced below in R. I am trying to find cases where one group only is very different from the other groups (I...

    Started by francy‎, 01-05-2015 08:12 AM
    group differences
    • Replies: 0
    • Views: 1,444
    01-05-2015, 08:12 AM Go to last post
  9. Plotting geographical locations on a map

    Hi every body have a happy new year! Recently I have a small task, which I want to show to geographical locations of the members on a map. - I...

    Started by BGM‎, 12-27-2014 07:57 AM
    • Replies: 4
    • Views: 2,632
    01-04-2015, 08:15 PM Go to last post
  10. How to save compressed gzip files using the save() function?

    Hello, When going to the help page for the save() function, it says that using the option compress=TRUE will by default save the object using gzip...

    Started by BearJewJ‎, 12-24-2014 02:54 PM
    • Replies: 2
    • Views: 2,158
    01-04-2015, 06:23 AM Go to last post
  11. How can I get R to generate p-value when doing a correlation matrix?

    How can I get R to generate p-value for each correlation when doing a correlation matrix? Here are my current steps: > M <- cor(data1) ...

    Started by CrunchAndSee‎, 01-03-2015 05:03 PM
    correlation matrix, p-value
    • Replies: 1
    • Views: 2,819
    01-04-2015, 04:09 AM Go to last post
  12. Group/bin/bucket data in R and get count per bucket and sum of values per bucket

    I wish to bucket/group/bin data : C1 C2 49488.01172 0.0512 ...

    Started by excelmac‎, 01-04-2015 12:22 AM
    binning
    • Replies: 1
    • Views: 7,190
    01-04-2015, 12:30 AM Go to last post
  13. basic time lag correlation in R ?

    Can someone show me how to do a basic time lag correlation in R ? Where it tries out all combinations of lags, and finds the best one. What...

    Started by CrunchAndSee‎, 12-29-2014 12:09 PM
    • Replies: 8
    • Views: 4,164
    01-01-2015, 04:09 PM Go to last post
  14. Automatically migrating SPSS scripts to R

    https://service.eoda.de/translater/?lang=en (Online Translator)

    Started by consuli‎, 01-01-2015 01:46 PM
    • Replies: 0
    • Views: 1,382
    01-01-2015, 01:46 PM Go to last post
  15. How to read Excel into R and execute hurst(x)?

    I never used R before and so need help on a seemingly trivial issue: I have an excel file "data.xlsx" and want to run the function hurst(x) on it:...

    Started by emcor‎, 12-29-2014 10:26 AM
    excel
    • Replies: 3
    • Views: 1,717
    12-31-2014, 03:05 PM Go to last post
  16. R skills outsourcing

    Hi guys I'm in need of some assistance with R programming for a small project. It involves conversion of an excel based calculation tool (mortgage...

    Started by excelmac‎, 12-29-2014 08:40 PM
    • Replies: 0
    • Views: 1,463
    12-29-2014, 08:40 PM Go to last post
  17. What's a neat personal non-work, non-school way you use Stats/R in your life/hobbies?

    When used car shopping, I sometimes do a linear regression on car prices, just to find an equation for "fair value". When a subsequent car comes...

    Started by CrunchAndSee‎, 12-23-2014 02:12 PM
    • Replies: 14
    • Views: 3,259
    12-29-2014, 12:06 PM Go to last post
  18. How to run same program every hour?

    Dear- In Excel VBA, the "timer" is well-known and implemented for running same program every 10-min. How about in R? For example, we have a...

    Started by jk90029‎, 12-28-2014 05:50 AM
    • Replies: 8
    • Views: 3,376
    12-28-2014, 11:02 PM Go to last post
  19. LD50 for a logarithmic dosage

    Hi, I'm new to R and I'm trying to work out the LD50 using total deaths out of 100 for 6 different concentrations. I need the LD50 and to be able...

    Started by Zaphod‎, 12-27-2014 08:46 AM
    • Replies: 4
    • Views: 3,007
    12-28-2014, 11:27 AM Go to last post
  20. How to export a R data to text file (*.txt) with Tab

    Dear- It is well known that we can easily export and import using read.csv and write.csv. Also below there is a post how to import and export...

    Started by jk90029‎, 12-26-2014 02:55 AM
    • Replies: 2
    • Views: 1,410
    12-27-2014, 08:53 AM Go to last post
  21. Structural Equation Modeling - Chi-Square confusion

    Hi, I ran structural equation modeling in lavaan. I've run ML, MLM and MLR. The chi-square p-values are always 0.000. The data is quite nonnomal...

    Started by FO2332‎, 12-27-2014 01:24 AM
    chi-square, lavaan, sem
    • Replies: 0
    • Views: 1,273
    12-27-2014, 01:24 AM Go to last post
  22. Packages Carseat Dataset!

    Hi, Ok i am very new to R and I am not a computer wiz. I just installed R on my laptop and I need to work on the carseat dataset. I tried to...

    Started by abeer85‎, 12-25-2014 06:58 PM
    pakages
    • Replies: 6
    • Views: 8,029
    12-26-2014, 04:09 PM Go to last post
  23. Extract Coefficients from each Imputation run from R MICE package

    Hey all, I am trying to extract coefficients from each run of multiple imputations using MICE package. Here is an example set: rm(list=ls())...

    Started by ledzep‎, 12-23-2014 07:19 AM
    • Replies: 1
    • Views: 3,643
    12-23-2014, 08:03 PM Go to last post
  24. How do I access the "workspace" window? I only have the console window.

    First time using R. VERY excited!! How do I access the "workspace" window? I only have the console window. Nothing in the "view" menu has an...

    Started by CrunchAndSee‎, 12-22-2014 03:17 PM
    • Replies: 7
    • Views: 2,674
    12-22-2014, 11:21 PM Go to last post
  25. "cross product" regression of all variables to find highest correlation?

    http://blog.nutonian.com/how-we-beat-nate-silver I just read this article where the Stats team has no understanding of the domain or variables...

    Started by CrunchAndSee‎, 12-11-2014 04:35 PM
    • Replies: 11
    • Views: 4,370
    12-22-2014, 11:15 PM Go to last post
  26. Rcpp

    Does anyone here use Rcpp? I wonder how do I install Linux, and if anyone knows of some study material on it I'm grateful.

    Started by askazy‎, 12-12-2014 04:16 PM
    • Replies: 12
    • Views: 2,713
    12-20-2014, 06:50 PM Go to last post
  27. Export R output table to Excel

    Export R output table to Excel Usually i use SAS Proc Tabulate to generate tables and then i export them to excel. But now my license for SAS is...

    Started by dezo_pp‎, 12-11-2014 10:27 AM
    • Replies: 4
    • Views: 3,309
    12-19-2014, 12:31 PM Go to last post
  28. Hypothesis test of proportion from a table

    I have a column with 50 data points regarding gender of the respondent (male or female). Is there a direct way to calculate if the number of males in...

    Started by zerohour‎, 12-18-2014 12:41 PM
    hypothesis, proportion
    • Replies: 1
    • Views: 1,677
    12-18-2014, 01:40 PM Go to last post
  29. Two sample test from same table

    I have a table with 3 columns - the respondent serial number, the gender (male / female) and the height. I want to test if the males are taller than...

    Started by zerohour‎, 12-18-2014 12:48 PM
    testing of hypothesis, two sample
    • Replies: 0
    • Views: 1,663
    12-18-2014, 12:48 PM Go to last post
  30. Installing Rcmdr into Rstudio on a Mac

    I am trying to install the Rcmdr package into Rstudio on my mac but it keeps crashing as soon as I click the checkmark beside Rcmdr under the...

    Started by brittrlynn‎, 01-15-2014 01:39 PM
    crashing, rcmdr, rstudio, software
    • Replies: 8
    • Views: 3,638
    12-15-2014, 06:24 PM Go to last post
  31. How to have the effect of density from the hist() in the filled box in the legend?

    how to have the effect of density = 55 or 45 in hist() in the filled box in the legend? Thanks! x1 <- rnorm(100) x2 <- rnorm(100, 2) hist(x1,...

    Started by zzz‎, 12-14-2014 07:43 PM
    • Replies: 2
    • Views: 1,847
    12-15-2014, 12:21 PM Go to last post
  32. Beta- binomial regression

    I want to calculate the ICC for data by assuming that it follows a beta-binomial distribution. I think I may need to run a beta-binomial regression...

    Started by beano2914‎, 12-15-2014 11:41 AM
    • Replies: 0
    • Views: 2,034
    12-15-2014, 11:41 AM Go to last post
  33. Problem with family fonts in graph in library(arulesViz) R

    Hi all, I am try to replicate some rutine as a task, lamentably I am having problem with a graph using: library(arulesViz), my command is: ...

    Started by Rodrigo Badilla Cabrera‎, 12-14-2014 07:37 PM
    • Replies: 0
    • Views: 2,898
    12-14-2014, 07:37 PM Go to last post
  34. Installing the "bivpois" package in r

    I have to install the "bivpois" package in the software R using Windows. Browsing on the Internet on StackOverflow site, I found different solution...

    Started by Pierre‎, 12-03-2014 04:13 PM
    install, package
    • Replies: 2
    • Views: 3,756
    12-14-2014, 02:51 PM Go to last post
  35. weighted correlation

    Hi Folks, So I have data that looks like: myData <- structure(list(total = c(0.154, 0.223, 0.252, 0.157, 0.196, 0.252, 0.198, 0.162, 0.222,...

    Started by Lazar‎, 12-11-2014 06:06 AM
    correlation, standard errors, weights
    • Replies: 4
    • Views: 2,131
    12-12-2014, 12:26 PM Go to last post
  36. Package Unmarked

    I am trying to write a script to run occupancy analysis for very large sets of data for multiple species. I have in the past used PRESENCE but...

    Started by dynamicwildlife‎, 12-11-2014 10:16 AM
    • Replies: 0
    • Views: 3,250
    12-11-2014, 10:16 AM Go to last post
  37. Multilevel Analysis with Intercations

    Hello I'd like to do a regression analysis with interactions, my data has two levels (school classes ans pupils). My variables are: Predictor =...

    Started by St_Fo‎, 12-11-2014 05:34 AM
    interaction effect, multilevel, regression analysis
    • Replies: 1
    • Views: 1,852
    12-11-2014, 05:51 AM Go to last post
  38. [SOLVED] [package installation error] quantreg

    Not sure how to troubleshoot this one - Im using R version 3.1.2 Could someone advise me what to do please? > install.packages("quantreg")...

    Started by bugman‎, 12-10-2014 02:59 AM
    • Replies: 12
    • Views: 14,299
    12-10-2014, 07:17 PM Go to last post
  39. party ctree cforest

    Im running a ctree and cforest to preform a analyse. Im qute a noob in this stuff and have a few simple questions When preforming a ctree analyse...

    Started by Freefall1‎, 12-07-2014 04:17 PM
    • Replies: 3
    • Views: 3,668
    12-08-2014, 06:07 PM Go to last post
  40. Manipulating data

    I have data saved in .csv format. In one of the columns has data of interest to me, I want to count how many numbers beginning with the digit 1, 2,...

    Started by askazy‎, 12-08-2014 10:42 AM
    • Replies: 7
    • Views: 1,890
    12-08-2014, 05:55 PM Go to last post
  41. Import .ods

    I'm still learning how to use the R, I am currently using linux, I have some data in a table in LibreOffice (similar to microsoft excel) and I wonder...

    Started by askazy‎, 12-07-2014 06:42 PM
    • Replies: 3
    • Views: 2,221
    12-08-2014, 10:02 AM Go to last post
  42. Trying to do an ANOVA - not sure if it's the right test

    Hi, I am trying to use R to run an ANOVA on survival data from an animal tracking study. My data consists of survival rates by location (reach), and...

    Started by tally‎, 12-06-2014 06:08 PM
    • Replies: 3
    • Views: 1,768
    12-08-2014, 08:07 AM Go to last post
  43. Differential item functioning for IRT using R programme

    Hello, I will analyze polytomous differential item functioning for IRT. I have a Likert type scale. For example, I want to analyze items in term of...

    Started by rockandrock‎, 12-08-2014 07:58 AM
    dif, lordif, packages, r programming help
    • Replies: 0
    • Views: 1,626
    12-08-2014, 07:58 AM Go to last post
  44. Best book on R

    Sorry guys, this post may not belong here but I had no idea where else to post. I'm looking for some recommendations for an "excellent" book for R...

    Started by excelmac‎, 12-07-2014 01:39 PM
    books, r programming
    • Replies: 3
    • Views: 1,498
    12-07-2014, 06:17 PM Go to last post
  45. Moving away from 'for-loops' and into 'apply' for simulations. Help!

    Hello TalkStats community, I have been trying to learn how to do some basic simulations in R. I think I have made some progress, but Im...

    Started by will22‎, 12-03-2014 03:36 PM
    • Replies: 12
    • Views: 1,954
    12-07-2014, 05:06 PM Go to last post
  46. assocstats() output

    Hello, When I type > assocstats(mytable) I get the output: X^2 df P(> X^2) Likelihood...

    Started by zvio.ab‎, 12-06-2014 07:19 PM
    chi-square, likelihood ratio, pearson
    • Replies: 0
    • Views: 1,772
    12-06-2014, 07:19 PM Go to last post
  47. How to write an easy for loop for my function in RStudio? (R script below)

    I received an R script from my prof., it can convert an input adjacency matrix to a network format output. It works properly. I'd like to write a...

    Started by fastfoodboy‎, 12-06-2014 09:29 AM
    loop, r statistics, rstudio
    • Replies: 3
    • Views: 3,635
    12-06-2014, 12:42 PM Go to last post
  48. betareg in R

    Hi all, I have been transitioning from some other statistic and math tools to R and was wondering whether I can somehow retrieve the actually used...

    Started by pzwickl‎, 11-28-2014 05:11 AM
    • Replies: 1
    • Views: 1,706
    12-06-2014, 10:55 AM Go to last post
  49. preparing R output for LateX using paste

    I need to make a function that does something like this doit=function(x,y) { return(paste=("$\stackrel{",x,"\}\{",y,"\}",sep="")) } ...

    Started by JesperHP‎, 12-04-2014 11:05 AM
    • Replies: 5
    • Views: 1,860
    12-04-2014, 09:09 PM Go to last post
  50. Convert NA to missing (numeric)

    Hi all: I'm fairly new to the ways of R (I have used SAS for a long time). In my dataset I have a column that marks the date of someone's death....

    Started by lancearmstrong1313‎, 12-04-2014 07:21 AM
    • Replies: 3
    • Views: 2,573
    12-04-2014, 04:03 PM Go to last post
  51. how to reshape the data.frame from a square matrix to three column

    I have a data.frame like this: row.name a b c 1 1 4 7 2 2 5 8 3 3 6 9 and I want to reshape it like...

    Started by guozihuaa‎, 11-30-2014 10:08 PM
    data.frame, reshape
    • Replies: 3
    • Views: 2,099
    12-02-2014, 01:56 AM Go to last post
  52. F statistic is rounded to whole integer in RKWard

    I am currently using the RKWard frontend for R as I am a novice and have only previously used SPSS. I am using the rk.ANOVA plugin to perform a...

    Started by mdshaver‎, 11-29-2014 05:40 PM
    • Replies: 9
    • Views: 2,244
    11-30-2014, 10:30 AM Go to last post
  53. Importing data from excel

    Hello, I have imported data from excel with:"read.xls" command, but I can not use this table, because the columns are not as vectors. For...

    Started by zvio.ab‎, 11-29-2014 10:23 AM
    • Replies: 2
    • Views: 1,690
    11-29-2014, 10:42 AM Go to last post
  54. Get the overall p value of a categorical variabel in regression

    I am doing multiple univariate cox regressions to select significant predictors for a multivariate analysis in r. I have categorical ( dichotoom and...

    Started by noob‎, 11-24-2014 07:55 AM
    • Replies: 3
    • Views: 4,989
    11-28-2014, 12:27 PM Go to last post
  55. Logical operator question

    I have two vectors and I want to see if either vector satisfy the following condition: 2^n = n^2 How would I write the code to reference...

    Started by greg6363‎, 11-26-2014 10:14 PM
    • Replies: 4
    • Views: 1,949
    11-27-2014, 11:27 PM Go to last post
  56. multiply each row of one matrix with equally indexed row of another

    Given two matrices A and B i would like to crossproduct row(i) of A with row(i) of B for each i=1,2,3 - could use a loop - but have big matrices and...

    Started by JesperHP‎, 11-25-2014 05:44 PM
    • Replies: 2
    • Views: 1,253
    11-25-2014, 07:30 PM Go to last post
  57. Copying values via multiple conditions in data.frame

    Dear all, once again i ran into a problem of generating a new column in a data, frame. My plan is to find the maximum time value for rows in a...

    Started by tester1234‎, 11-21-2014 04:53 AM
    • Replies: 8
    • Views: 2,428
    11-24-2014, 11:45 PM Go to last post
  58. For Loop questions A) Tidying up and B) Speeding up

    Dear all, I have two questions regarding running for loop 1) How to tidy up the output 2) Speeding up the time taken to execute ...

    Started by ledzep‎, 11-24-2014 04:26 PM
    • Replies: 5
    • Views: 2,123
    11-24-2014, 06:38 PM Go to last post
  59. [R t.test] Is this test suitable for my data - Gallup Q12

    There's a standard survey for assessing the engagement level of staff in an organisation called the Gallup Q12 test. There are twelve questions and...

    Started by Richo‎, 11-23-2014 11:24 PM
    gallup, q12, t.test
    • Replies: 0
    • Views: 2,488
    11-23-2014, 11:24 PM Go to last post
  60. Newbie question, datasets missing label values

    Hi everybody guys, I hope you could help this rookie! It shouldn't take you a long time, I hope it's just me... Well, this is a little...

    Started by edosan‎, 11-22-2014 09:43 AM
    • Replies: 0
    • Views: 1,528
    11-22-2014, 09:43 AM Go to last post

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