1. 10-14-2010
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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 10:39 AM
    24 Pages
    1 2 3 ... 24
    • Replies: 352
    • Views: 70,025
    09-21-2015, 11:12 AM Go to last post
  2. 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
    19 Pages
    1 2 3 ... 19
    • Replies: 274
    • Views: 68,090
    07-14-2015, 04:28 PM Go to last post
  3. 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
    6 Pages
    1 2 3 ... 6
    • Replies: 76
    • Views: 29,033
    06-28-2015, 12:32 PM Go to last post
  4. 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: 1
    • Views: 8,734
    06-04-2015, 08:01 AM Go to last post
  5. 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
    • Replies: 107
    • Views: 29,975
    11-22-2014, 08:28 AM 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
    • Replies: 99
    • Views: 44,878
    05-22-2014, 02:07 AM Go to last post
  1. 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: 6
    • Views: 10,666
    Yesterday, 03:51 AM Go to last post
  2. [R Looping] - Looping to Predict Results of MCMC

    Hi Everyone, Problem: I have just completed a MCMC run and I have a model for a simple linear regression. I would like to get a distribution...

    Started by jce‎, 10-05-2015 08:42 AM
    looping, mcmc
    • Replies: 0
    • Views: 103
    10-05-2015, 08:42 AM Go to last post
  3. segemented analysis in R??

    Dear Experts, I have got a bunch of scripts which performs segmented or piecewise regression analysis in R. for some reason, I am not getting...

    Started by eswari‎, 10-05-2015 06:06 AM
    • Replies: 0
    • Views: 81
    10-05-2015, 06:06 AM Go to last post
  4. Networks: How to define node color as function of attribute

    Hi there, I'm relatively new to R but I've searched the directory and the web and can't seem to come up with a satisfying solution to this...

    Started by nik24‎, 10-05-2015 05:51 AM
    • Replies: 0
    • Views: 49
    10-05-2015, 05:51 AM Go to last post
  5. What does Python offer that R can't?

    Hi, I am looking at Coursera data anlysis specializations and most (basically all except John Hopkins) offer Python as the language of choice for...

    Started by rogojel‎, 09-21-2015 03:35 AM
    data analysis, python, r language
    • Replies: 3
    • Views: 217
    10-04-2015, 02:25 PM Go to last post
  6. [R Packages] Do Biological R Packages Support Spatial/GIS Files?

    Hello everyone, I am new to the forum as well as to R and was hoping some of you might be able to assist me with an idea that I have. Much of...

    Started by RU_Receiving‎, 10-03-2015 11:29 PM
    • Replies: 0
    • Views: 106
    10-03-2015, 11:29 PM Go to last post
  7. Python nested list compared to R's

    Are these two things equivalent in R and Python respectively? r <- list(list(c("a", "b"), c("d", "e")), list(c("f", "g"), c("h", "i"))) python =...

    Started by trinker‎, 10-03-2015 02:53 PM
    • Replies: 1
    • Views: 97
    10-03-2015, 03:31 PM Go to last post
  8. Rcmdr not opening

    Hello everyone! I am new to the forum, but I have been lurking some. I am intermediate with R troubleshooting. I am running R 64-bit version...

    Started by nika‎, 10-01-2015 07:32 PM
    • Replies: 3
    • Views: 180
    10-02-2015, 04:47 PM Go to last post
  9. order() function not getting results as desired

    So, I have a vector x x <- c(1,2.3,2,3,4,8,12,43,-4,-1,NA) when i write order(x) i get 9 10 1 3 2 4 5 6 7 8 11 instead of -4.0 -1.0...

    Started by scuby‎, 09-30-2015 04:55 PM
    • Replies: 13
    • Views: 300
    10-02-2015, 09:58 AM Go to last post
  10. Post Error message when using read.csv( )?

    Hey I am trying to import a .csv file in to R, but I get a strange error-message. (see the attached picture) Can anyone explain this to me? ...

    Started by mariedh‎, 09-15-2015 04:30 AM
    • Replies: 2
    • Views: 172
    10-01-2015, 01:49 PM Go to last post
  11. Graph Issues

    I have also posted in the SPSS forum as I am currently using R 3.2.1 and SPSS 23 along with R Essentials. I have not had a problem getting the...

    Started by Psych_Stats‎, 10-01-2015 11:31 AM
    graphics, plots, spss 23
    • Replies: 2
    • Views: 101
    10-01-2015, 11:52 AM Go to last post
  12. What is the simplest way to import excel files into R

    Simplest not fastest :p

    Started by noetsi‎, 09-14-2015 04:36 PM
    5 Pages
    1 2 3 ... 5
    reading excel file
    • Replies: 68
    • Views: 1,401
    09-29-2015, 04:20 PM Go to last post
  13. Help with glmnet Ridge Regression

    Hi everyone! I'm currently running a ridge regression in R using the glmnet package, however, I recently ran into a new problem and was hoping for...

    Started by dwm8‎, 09-28-2015 01:32 PM
    ridge regression
    • Replies: 1
    • Views: 153
    09-28-2015, 07:11 PM Go to last post
  14. Hi Ya'll - New to the forum - Just Letting You Know About My R Youtube Series

    So glad to have found this forum. I'm excited to find like minded individuals and connect with you all about Statistics and R topics. So a little...

    Started by rprogrammingtutorials‎, 09-24-2015 09:42 PM
    • Replies: 5
    • Views: 423
    09-28-2015, 04:51 AM Go to last post
  15. Help with scaling up this logic [R]

    Hi guys , Hope all of you are doing great and having fun :) . I am kinda new to this forum , i'm basically from India . working in an investment...

    Started by hedgefudge‎, 09-24-2015 12:09 AM
    • Replies: 0
    • Views: 173
    09-24-2015, 12:09 AM Go to last post
  16. How do I optimzie association analysis for the rules to make sense?

    I have a dataset of customers, that I want to define a frequent criteria, to paint a picture of an ideal customer. The dataset has the following...

    Started by fbagirov‎, 09-23-2015 12:53 PM
    apriori, association, rstudio
    • Replies: 0
    • Views: 148
    09-23-2015, 12:53 PM Go to last post
  17. SupremeCourt Word Freq Analysis - Column Correlations

    Hi, new to the board. Took a class on R last year but need some help. I want to see which Supreme Court Justices use similar words (relative to...

    Started by mattcavin‎, 09-22-2015 01:18 AM
    • Replies: 1
    • Views: 213
    09-22-2015, 07:51 AM Go to last post
  18. Trying to order a histogram/barchart by factor number but using factor name as labels

    I have data on mushroom edibility that looks like this: SpeciesName Edibility EdibilityRank abruptibulbus Good 3 arvensis ...

    Started by Leon_Shernoff‎, 09-20-2015 01:14 AM
    axis, bar chart, histogram, labels
    • Replies: 1
    • Views: 217
    09-21-2015, 03:37 AM Go to last post
  19. Average of last n cases

    I'm trying to calculate something which I assume that is relatively straightforward but I can't seem to get my head round it. Perhaps you can help. ...

    Started by chaps‎, 09-18-2015 04:25 AM
    • Replies: 7
    • Views: 261
    09-19-2015, 10:29 AM Go to last post
  20. Why does my naive Bayes classifier suck: i.e., what am I messing up?

    I've been learning about classifiers and naive Bayes was an easier one for me to understand. I tried it today and did not get results I was...

    Started by trinker‎, 09-19-2015 08:23 AM
    • Replies: 0
    • Views: 100
    09-19-2015, 08:23 AM Go to last post
  21. do.call and apply() I'm doing something wrong here... :(

    Hello! So I'm looking at the a large dataset of items in a 1 to 3 likert-type point scale. I usually like to see how many people endorsed each...

    Started by spunky‎, 09-17-2015 02:32 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 371
    09-18-2015, 11:55 AM Go to last post
  22. Simple Loop in R help

    Question: Turn the loop from problem 4 into a function that can run any number of times (not just 20). Call the function “demo loop”. for (i in...

    Started by paigen‎, 09-18-2015 09:36 AM
    • Replies: 0
    • Views: 134
    09-18-2015, 09:36 AM Go to last post
  23. Convert a variable into uniform distribution with R

    Hi all; I would be grateful if you could help me ‏How could I convert a non-uniform variable distribution to a uniform distribution? Thanks in...

    Started by Nour‎, 09-18-2015 04:03 AM
    • Replies: 4
    • Views: 135
    09-18-2015, 08:36 AM Go to last post
  24. How to add a new variable based on different dates within subjects?

    My datafile contains the following variables: "subject","date","trialnum", "trialcode", "values.actor", "values.latency", "values.answer" My...

    Started by Funmath‎, 09-17-2015 10:21 AM
    • Replies: 1
    • Views: 116
    09-18-2015, 08:08 AM Go to last post
  25. Probability in R

    I'm new to R and i don't understand how to go about solving probability in R. Here's an example of what I'm confused on how to do: Suppose a...

    Started by paigen‎, 09-17-2015 11:28 AM
    • Replies: 2
    • Views: 115
    09-17-2015, 11:51 AM Go to last post
  26. How to use Reshape2 to convert long data into wide data?

    I have tried to use dcast (from reshape2) for converting my data into the wide format. Since I just started working with R it is likely that I make a...

    Started by Funmath‎, 09-11-2015 09:46 AM
    • Replies: 7
    • Views: 412
    09-17-2015, 09:22 AM Go to last post
  27. data.table....

    HI ther's a fast and intelligent way to select data.table column as vector and change in palce its value? for example if i try this verbose...

    Started by Madp‎, 09-17-2015 08:11 AM
    • Replies: 0
    • Views: 94
    09-17-2015, 08:11 AM Go to last post
  28. plotting velocities

    Hi guys, I am fairly new to R and would like your help on to plot velocities of different particles. I have the coordinates, particle ID, velocity of...

    Started by Izabell‎, 09-13-2015 01:17 PM
    • Replies: 1
    • Views: 174
    09-13-2015, 04:33 PM Go to last post
  29. Programming job: Importing 10-Q Finanncial Statements from SEC-Filings (XBRL, XML)

    I have to offer the following R programmming job: I want the the financial statements from the EDGAR database ( e.g....

    Started by consuli‎, 09-07-2015 02:23 AM
    • Replies: 3
    • Views: 430
    09-13-2015, 03:07 PM Go to last post
  30. LogisticDx: help with the command 'plot'

    Hello, I was interested in using the LogisticDx package to plot some diagnostic charts. While I manage to run the sample code, I cannot get the...

    Started by gianmarco‎, 09-09-2015 04:51 AM
    • Replies: 4
    • Views: 329
    09-12-2015, 01:10 PM Go to last post
  31. Copy R/Rstudio console with original colour formatting

    Hi Everyone, Just a newbie computer-savvy problem - not related to R coding or stats: How do I copy from the console (either R or RStudio...

    Started by BeeStatsGuy‎, 09-10-2015 05:42 AM
    color, colour, console, copy, format
    • Replies: 0
    • Views: 174
    09-10-2015, 05:42 AM Go to last post
  32. Data.table and using invisible()

    FAQ 2.18 of data.table indicates that by using invisible() one can run the function passed as j without generating any output. I used the example...

    Started by merik‎, 09-03-2015 07:53 PM
    • Replies: 3
    • Views: 332
    09-09-2015, 08:35 AM Go to last post
  33. How do I plot this regression line?

    Delete delete delete

    Started by Dave Brunner‎, 09-08-2015 02:05 PM
    • Replies: 6
    • Views: 355
    09-08-2015, 05:30 PM Go to last post
  34. Do more CRAN packages end in R than one might expect?

    It's pretty common for CRAN package developers to add an arbitrary r onto the end of their package names. I got to wondering how prevalent this is...

    Started by trinker‎, 09-06-2015 01:51 PM
    • Replies: 4
    • Views: 301
    09-08-2015, 11:55 AM Go to last post
  35. Problems with scan function

    Hi, I am having problems with scan() function, using it to get values from console. The above code doesn't work properly. It doesn't stop after...

    Started by juanvg1972‎, 09-07-2015 06:54 AM
    data frame, values
    • Replies: 0
    • Views: 212
    09-07-2015, 06:54 AM Go to last post
  36. create new column from old ones, ignoring NAs

    This should be easy but I can't figure out how to do it. Here's an example where I have dataset M with multiple conditions and columns with missing...

    Started by maziana‎, 09-06-2015 08:30 AM
    • Replies: 5
    • Views: 237
    09-07-2015, 12:11 AM Go to last post
  37. Add a Date Column to a .csv File

    I have the following table in a .csv file. Date Race Distance H_No H_Name EA Barrier Wt P_Date P_Distance Stage...

    Started by FFA‎, 09-01-2015 09:18 PM
    • Replies: 2
    • Views: 177
    09-06-2015, 06:59 AM Go to last post
  38. I need help figuring out what everything means in the "lme" command

    Hi, I am trying to use lme for a multivariate study, and am following a list of instructions online...

    Started by Gilthoniel‎, 09-04-2015 11:52 AM
    • Replies: 0
    • Views: 210
    09-04-2015, 11:52 AM Go to last post
  39. Merge() giving undefined columns selected error when attempting to arrange columns

    What I'm trying to do: I have a master data frame that contains state and zip code columns. I have reference data frames that contain Metropolitan...

    Started by APOCooter‎, 09-04-2015 09:21 AM
    • Replies: 2
    • Views: 213
    09-04-2015, 11:26 AM Go to last post
  40. Garch

    what is the code in fGarch package for removing the constant term (omega) from GARCH model when the omega is not significant.

    Started by nonso‎, 09-04-2015 07:17 AM
    • Replies: 0
    • Views: 133
    09-04-2015, 07:17 AM Go to last post
  41. seemingly equivalent ways of accessing values in a data frame give different results

    I have a data frame called "totals" with 1 row and 12 columns. The entries are all integers, and the columns have names. The first column is named...

    Started by efoss‎, 09-03-2015 01:16 PM
    • Replies: 2
    • Views: 249
    09-03-2015, 01:49 PM Go to last post
  42. Question [SOLVED] Car package in R is not loading (it simply blocks R)

    So, I have installed the CAR package in R (with the dependencies) and when I try to load it, it simply blocks the program, it cannot be loaded. I...

    Started by hex01‎, 09-02-2015 01:06 AM
    loading package, rstudio
    • Replies: 11
    • Views: 431
    09-03-2015, 08:37 AM Go to last post
  43. Problems plotting a data.frame

    Hi, I am trying to do a simple graph with plot() function. When I do the plot with two columns of the data.frame the style options dosen't work....

    Started by juanvg1972‎, 09-02-2015 06:08 AM
    axis(), plot
    • Replies: 3
    • Views: 259
    09-02-2015, 05:14 PM Go to last post
  44. R books

    Hello everyone, I began to study hard on R, I took two books, only would like a view of the most experienced on which one to get, or even other...

    Started by askazy‎, 01-08-2015 05:51 AM
    • Replies: 10
    • Views: 834
    09-02-2015, 04:50 PM Go to last post
  45. multilevel analysis

    Dear folks, I have nested data within schoolclasses, therefore I want to run multilevel analysis' with R, package lme4. My hypothesis is H0: x =...

    Started by St_Fo‎, 09-02-2015 07:54 AM
    hypotheis test, multi level, multilevel analysis
    • Replies: 1
    • Views: 178
    09-02-2015, 04:18 PM Go to last post
  46. Indexing for more efficient sort and merge

    In relational databases, you can enable more efficient sorting and joining by creating indexes for your tables. These indexes, which are essentially...

    Started by merik‎, 09-02-2015 09:23 AM
    • Replies: 1
    • Views: 204
    09-02-2015, 12:29 PM Go to last post
  47. R vs Sas vs Splus vs Matlab vs others

    Can someone explain to me the pros and cons of all these software packages? Which one would you use if you can start all over again? Thanks.

    Started by shrek‎, 05-16-2008 02:40 PM
    3 Pages
    1 2 3
    • Replies: 31
    • Views: 93,784
    09-01-2015, 07:27 AM Go to last post
  48. Problem with fanny function

    Hi. I have a problem with this code: “require(cluster) data1 <-...

    Started by alb‎, 08-31-2015 01:15 PM
    • Replies: 0
    • Views: 230
    08-31-2015, 01:15 PM Go to last post
  49. Apply function in R

    Hi, I want to apply a user defined function over a matrix object. I don't have desired results my input is a 4x4 matrix and I want to get as output...

    Started by juanvg1972‎, 08-31-2015 11:48 AM
    r apply
    • Replies: 0
    • Views: 182
    08-31-2015, 11:48 AM Go to last post
  50. but are character vectors really immutable in R?

    but are character vectors really immutable in R or not? if yes how i can make it immutable? for ex, I want: x <- charvector y <- x x <- modified...

    Started by Madp‎, 08-28-2015 08:45 AM
    • Replies: 8
    • Views: 329
    08-28-2015, 11:54 AM Go to last post
  51. Find the mean of columns and adding these values back to a data frame

    Hello Talk Stats forum: I am new at R hence this basic question. I have imported a simple excel csv file using the read.csv method and have...

    Started by R2015‎, 08-28-2015 09:23 AM
    • Replies: 5
    • Views: 231
    08-28-2015, 10:21 AM Go to last post
  52. R Markdown document-How do you display/format a References/Bibliography section?

    Hello, I am trying to write a scientific paper using R Markdown, but am unsure about the best way to include the references section. Since I have...

    Started by helloR123‎, 08-27-2015 01:56 PM
    bibliography, bibtex, r language, r markdown, references
    • Replies: 0
    • Views: 164
    08-27-2015, 01:56 PM Go to last post
  53. Looking for contributors to join our team

    Hi everyone, I hope you find this post useful. Recently we developed a website DataScience+ to share some R tutorials with other R users. We...

    Started by klo‎, 08-25-2015 11:55 AM
    r programing
    • Replies: 0
    • Views: 306
    08-25-2015, 11:55 AM Go to last post
  54. How to draw a ROC curve in R

    I know how to estimate a model and then draw a ROC curve using R. But I have got a dataset which has already included probability of failure and the...

    Started by t.wang21@yahoo.com.au‎, 08-20-2015 07:59 PM
    • Replies: 2
    • Views: 387
    08-23-2015, 04:23 PM Go to last post
  55. Ordering Data

    Hello, everyone! I am still learning to use Statistical softwares and I have a question about R. I have a data table which has one column...

    Started by Gabriella‎, 08-21-2015 11:28 AM
    data, rstudio, tables
    • Replies: 4
    • Views: 287
    08-21-2015, 12:32 PM Go to last post
  56. Problems installing Caret package

    Hi, I am having problems installing package caret in order to use library carer install.packages("caret") library(caret The installation...

    Started by juanvg1972‎, 08-13-2015 04:43 PM
    • Replies: 2
    • Views: 276
    08-19-2015, 04:48 PM Go to last post
  57. Problem using predictions with decision trees (CART) in CARET package

    I am having problems doing a prediction with decision trees (CART). I have this code: training <- read.csv("pml-training.csv", header=TRUE)...

    Started by juanvg1972‎, 08-19-2015 04:47 PM
    • Replies: 0
    • Views: 177
    08-19-2015, 04:47 PM Go to last post
  58. Latent class cluster analysis with mixed data

    I have data that contains continuous and categorical variables and I have to cluster that data using latent class analaysis - LCA. I know that LCA...

    Started by ArtemisEntr3ri‎, 08-19-2015 07:09 AM
    clustering, latent class analysis, latent class modeling, latent profile anaysis
    • Replies: 0
    • Views: 198
    08-19-2015, 07:09 AM Go to last post
  59. rsession.exe - Entry Point Not Found

    I recently install the newest version of RStudio Version 0.99.473 and when i start i get this message (error) " rsession.exe - Entry Point Not...

    Started by dezo_pp‎, 08-19-2015 06:26 AM
    • Replies: 0
    • Views: 313
    08-19-2015, 06:26 AM Go to last post
  60. RStudio Data View

    Recently i instal the newest version of RStudio Version 0.99.473 and when i want to see the dataset and when i click on the dataset or when i write...

    Started by dezo_pp‎, 08-19-2015 05:13 AM
    • Replies: 0
    • Views: 158
    08-19-2015, 05:13 AM Go to last post

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