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Forum: R

R programming and usage, R news, R tips and tutorials

  1. 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
    7 Pages
    1 2 3 ... 7
    • Replies: 99
    • Views: 11,042
    04-10-2014, 01:58 PM 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
    17 Pages
    1 2 3 ... 17
    • Replies: 253
    • Views: 29,354
    03-13-2014, 05:34 PM Go to last post
  3. 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: 93
    • Views: 27,183
    03-13-2014, 11:31 AM Go to last post
  4. 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
    21 Pages
    1 2 3 ... 21
    • Replies: 307
    • Views: 25,727
    03-13-2014, 09:36 AM Go to last post
  5. 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
    5 Pages
    1 2 3 ... 5
    • Replies: 60
    • Views: 9,460
    02-19-2014, 09:09 AM Go to last post
  6. 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: 2,792
    10-17-2012, 07:20 PM Go to last post
  1. how to use which()?

    dat = structure(list(C = structure(c(1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L, 1L), .Label = c("", "C"), class = "factor"), ID = c(2L, 2L, 2L, 2L,...

    Started by zzz‎, 04-15-2014 05:19 PM
    • Replies: 6
    • Views: 208
    04-16-2014, 10:06 AM Go to last post
  2. problem with sep argument

    data <- read.csv("mydata.csv") works fine and I can successfully print data. But, data <- read.table("mydata.csv,sep=","") produces this...

    Started by niche‎, 04-15-2014 08:44 AM
    • Replies: 6
    • Views: 122
    04-15-2014, 12:23 PM Go to last post
  3. Make a Dot Plot

    Hey, I need help to make a dot plot for my data and the log-transformed data. I want to see how "normal" they look. The data shows nickle...

    Started by crookedhorizon‎, 04-14-2014 12:31 PM
    dot plot
    • Replies: 5
    • Views: 164
    04-15-2014, 09:07 AM Go to last post
  4. Pie charts in google map using plotGoogleMaps

    I am trying to add some pie charts in a list of coordinates. Please find attached data I am using: ...

    Started by drunkenphd‎, 04-14-2014 01:34 PM
    • Replies: 0
    • Views: 99
    04-14-2014, 01:34 PM Go to last post
  5. Robust Split-plot ANOVA in R

    Hi, I have conducted a physiological research designed in bewteen-by-within way. A split-plot ANOVA analysis would be most suitable for my...

    Started by Martin Marko‎, 04-14-2014 06:32 AM
    • Replies: 0
    • Views: 97
    04-14-2014, 06:32 AM Go to last post
  6. Parsing JSON column from a CSV file

    I am trying to parse out some JSON data that is currently in a single column of a .csv file and make that output another .csv file. I have been...

    Started by cruzeconomics‎, 04-12-2014 05:07 PM
    fromjson, json
    • Replies: 7
    • Views: 154
    04-13-2014, 03:17 PM Go to last post
  7. Lines plot - how to

    Hi, I have this table and want to make a lines chart: Rør1.1 Rør1.2 Rør2.1 Rør2.2 Rør3.1 Rør3.2 0-1cm 8,06 8 8,07 8,19 NA ...

    Started by imov‎, 03-26-2014 06:25 AM
    • Replies: 2
    • Views: 146
    04-12-2014, 10:00 PM Go to last post
  8. [Package popularity?] Code to estimate R package popularity

    In answer to Trinkers question here: http://stackoverflow.com/questions/10159249/determine-number-of-package-downloads I have the following code...

    Started by TheEcologist‎, 12-11-2013 10:57 AM
    • Replies: 9
    • Views: 299
    04-12-2014, 07:35 PM Go to last post
  9. Reading output from GLMM run in R

    Hi, I am a complete novice and dummy when it comes to statistics so I apologise in advance... I have been asked to report the results of my GLMMs...

    Started by ruthyeh‎, 04-12-2014 05:53 PM
    glmm, r output, reading output
    • Replies: 0
    • Views: 81
    04-12-2014, 05:53 PM Go to last post
  10. ks.test using bootstrapped vectors

    Hi, I am trying to implement a bootstrapped KS test in R. This is my code: for (i in 1:10000){sample(CoVaRBank,1872,replace=TRUE)->x1...

    Started by tr206‎, 04-11-2014 02:06 PM
    • Replies: 0
    • Views: 124
    04-11-2014, 02:06 PM Go to last post
  11. calculating test statistic

    I am trying to compute the KS test statistic using R. Thus, I am trying to subtract two ecdf to obtain the differences. I used the code below: >...

    Started by tr206‎, 04-11-2014 05:10 AM
    • Replies: 0
    • Views: 149
    04-11-2014, 05:10 AM Go to last post
  12. Arrow Time series together with weekdays

    So I have a daily data of website visitors, date and additionally I've made a column with corresponding weekdays, later perhaps I'd like to analyze...

    Started by mmz‎, 04-09-2014 08:52 AM
    • Replies: 1
    • Views: 107
    04-10-2014, 01:13 PM Go to last post
  13. Function to Compare y and yhat

    Plleeeeaaaase tell me that function exists. I have a vector with y, and I have a vector with yhat, and I just want it to give me the coefficient of...

    Started by TurnipEntropy‎, 04-09-2014 10:34 PM
    • Replies: 2
    • Views: 208
    04-10-2014, 06:05 AM Go to last post
  14. Reading csv file. How to escape character string delimiter inside a field

    Hi, I'm trying to read a csv file with 7 fields separated with tab char. String fields are delimited by double quote char '"'. The problem is that...

    Started by AntonioFS‎, 04-09-2014 12:40 PM
    backslash, csv, double quotes, escapes, read.table
    • Replies: 2
    • Views: 90
    04-09-2014, 01:44 PM Go to last post
  15. Fitting data to a line, not a line to the data

    Hi all, So I've made a line with fitLine <- lm(log(x)~y) for some data and it worked nicely. I got the coefficients and the R-squared, and now I...

    Started by TurnipEntropy‎, 04-09-2014 12:28 AM
    • Replies: 0
    • Views: 152
    04-09-2014, 12:28 AM Go to last post
  16. R- Analysis of time series data

    Hi, I am new to R. I have data for every minute with variables outlined as below for a year. I used read.table function to read all data. Now ...

    Started by novice6‎, 04-07-2014 07:25 PM
    • Replies: 3
    • Views: 205
    04-08-2014, 11:49 PM Go to last post
  17. changing labels in ggplot (and making my graph pretty)

    hello peepz. i have no clue why but ggplot is being unusually nasty to me today and won't let me change stuff around. here is my (rather simple) code...

    Started by spunky‎, 04-08-2014 04:15 PM
    • Replies: 3
    • Views: 102
    04-08-2014, 04:29 PM Go to last post
  18. How to create a s4 class data.frame ?

    Hi I read an stata file with R. That's ok. The imported data has 3 columns: Date FT OC But when i try to run x12 on them i have the error message...

    Started by jfca283‎, 04-07-2014 01:22 PM
    • Replies: 7
    • Views: 215
    04-08-2014, 12:53 PM Go to last post
  19. ARMA - GARCH fitting

    I have an ARMA model which has these terms {Constant + AR23 + MA1 + MA3 + MA24}. The residual of this model has heteroskedasticity (tested using...

    Started by ritesh_061176‎, 04-06-2014 08:39 PM
    arma garch
    • Replies: 0
    • Views: 164
    04-06-2014, 08:39 PM Go to last post
  20. Where is the data directory of my data in R, for backup or restoring to other PC?

    Dear- I know that in S+, we can backup important data to personal USB flash or restore to other PC, if we COPY the folder...

    Started by jk90029‎, 04-04-2014 07:43 AM
    • Replies: 1
    • Views: 137
    04-05-2014, 06:13 PM Go to last post
  21. validation of regression model

    hi I have pack of data that i seperated 75% of them and i perform linear regression on this data.then i picked 25% of my raw data into the model.how...

    Started by bokaiemehdi‎, 04-02-2014 03:32 PM
    • Replies: 1
    • Views: 172
    04-05-2014, 03:12 PM Go to last post
  22. How to change the size of a graph: can I stretch the y-axis?

    Hi there, I have plotted six regression equations in one graph. Is there any way I can change the size of the graph, i.e. stretch the y-axis to...

    Started by Pelican23‎, 04-02-2014 07:39 PM
    • Replies: 3
    • Views: 181
    04-02-2014, 08:51 PM Go to last post
  23. 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: 3
    • Views: 289
    04-02-2014, 10:41 AM Go to last post
  24. R: How to assign Circular objects with predefined bin values

    Let's say I have done some processing of a dataset in R and the output is an array that holds 24 integers (one representing each hour). Each value in...

    Started by user41223‎, 04-02-2014 07:44 AM
    • Replies: 1
    • Views: 101
    04-02-2014, 08:21 AM Go to last post
  25. Pooling Chi-square Values

    Hi Folks, I have a set of \chi^2 values from running the same model of 5 imputed datasets: chi <- c(21.8014187330859, 25.8393029132822,...

    Started by Lazar‎, 03-26-2014 09:11 PM
    • Replies: 1
    • Views: 183
    04-01-2014, 05:46 PM Go to last post
  26. Bivariate loss data

    Could you please suggetst where I can find bivariate loss data sets on the net?? i need this for my regression examples.

    Started by r_vs‎, 04-01-2014 12:52 AM
    • Replies: 0
    • Views: 74
    04-01-2014, 12:52 AM Go to last post
  27. [SOLVED] [ggplot2] - ylab and xlab hell

    I have the following code, which produces a faceted time series of river flow data, with a loess smooth line, log 10 scale on the y-axis and log10...

    Started by bugman‎, 03-31-2014 01:11 AM
    • Replies: 9
    • Views: 190
    03-31-2014, 07:20 PM Go to last post
  28. select maximum values

    Hi, I need your help again. I have some data like this: 1 2 3 4 5 6 7 ... 0.1 0.2 0.5 ...

    Started by slavia‎, 03-29-2014 09:11 AM
    • Replies: 5
    • Views: 206
    03-31-2014, 11:28 AM Go to last post
  29. Johansen Test For Cointegration‏

    Hi, I am a student from Belgium and I am making a thesis about the relationship between credit aggregates and property prices. I examine the...

    Started by Gigi‎, 03-31-2014 11:14 AM
    autocorrelation, breusch-godfrey lm test, cointegration, johansen test
    • Replies: 0
    • Views: 71
    03-31-2014, 11:14 AM Go to last post
  30. xmlAttrsToDataFrame()...in which package??

    in XML package it lacks... how it's possible? is it obsolete???...mha...

    Started by Madp‎, 03-30-2014 10:45 AM
    • Replies: 7
    • Views: 174
    03-30-2014, 12:36 PM Go to last post
  31. SVAR - historical shock decomposition in R

    Hello everyone, I would like to create historical shock decomposition in structural VAR model. I am working with these models in vars package,...

    Started by Romchi‎, 03-30-2014 06:25 AM
    • Replies: 0
    • Views: 96
    03-30-2014, 06:25 AM Go to last post
  32. Using R to find aliasing relations

    I know it's possible to use R to set up blocking designs using the package conf.design. Is it possible to use R to determine what the aliasing...

    Started by APOCooter‎, 03-28-2014 10:59 AM
    • Replies: 0
    • Views: 110
    03-28-2014, 10:59 AM Go to last post
  33. Reshape from wide to long in R

    Hi, I want to reshape my data from wide to long: wide format: Country Variable 2001 2002 2003 A Demand 8 46 776 A Supply 4576 576 576...

    Started by DanielFox‎, 03-24-2014 03:01 PM
    • Replies: 2
    • Views: 146
    03-28-2014, 10:56 AM Go to last post
  34. [dplyr] Passing "..." constrained parameters -- An R Challenge

    Background My goal is to create a function that prepares a data set that contains the following fields (timestamp, interval, weekday, kW), with...

    Started by bryangoodrich‎, 03-24-2014 12:43 PM
    • Replies: 5
    • Views: 217
    03-27-2014, 05:12 PM Go to last post
  35. Median Interneuron Distance in R in the package Kohonen

    Hi all, I am trying to detect outliers using self organizing models in the R package Kohonen. In most of the papers the MID matrix (median...

    Started by statsarefun‎, 03-26-2014 12:26 PM
    kohonen, median interneuron model, mid, r software, self organzing models
    • Replies: 0
    • Views: 106
    03-26-2014, 12:26 PM Go to last post
  36. How to claculate the Bias and Mean Square Error

    How to calculate the Bias and Mean Square Error for an estimator in r. Give me an example. Thank you.

    Started by sara stat‎, 03-26-2014 11:28 AM
    • Replies: 1
    • Views: 87
    03-26-2014, 11:34 AM Go to last post
  37. [AskR] New totally awesome R package

    Aren't you tired of making all those difficult life decisions yourself? Aren't you tired of weighing the pros and the cons of everything all the...

    Started by TheEcologist‎, 03-25-2014 03:53 PM
    • Replies: 10
    • Views: 193
    03-26-2014, 09:30 AM Go to last post
  38. RTidyHTML package

    HI guys I have trouble with RTidyHTML package.. it's impossible to install it from CRAN repo and seems also from browser... because *error raise...

    Started by Madp‎, 03-25-2014 04:23 PM
    • Replies: 4
    • Views: 148
    03-26-2014, 06:22 AM Go to last post
  39. How to split an event over several bins using the Circular package in R

    I'm using the excellent Circular package within R to assign events to a circular 24 hour time-scale represented by 47 bins (each represents 0.5...

    Started by user41223‎, 03-25-2014 10:39 AM
    aoristic analysis, circular package
    • Replies: 0
    • Views: 74
    03-25-2014, 10:39 AM Go to last post
  40. R commander

    Hi, I'm trying to perform an Anova test on my data.. but the menu options are greyed out? I looked this up and it says if they are greyed out the...

    Started by JoJo_90‎, 03-24-2014 10:25 AM
    • Replies: 3
    • Views: 204
    03-25-2014, 08:21 AM Go to last post
  41. How to plot a million points in R in an efficient and interpretable way?

    Hi Everyone, I'm new to this forum and my apologies if I ask very basic questions, i'm very new to R. I have a text file (tab delimited) and...

    Started by posthume‎, 03-25-2014 05:55 AM
    million points
    • Replies: 0
    • Views: 117
    03-25-2014, 05:55 AM Go to last post
  42. Transforming this Matlab code to R

    Hello all, I want to write the following code in R, and don't know how to, can you help please ? n = 1000; rho = .7; nu = 1; T = mvtrnd(,...

    Started by NN_STAT‎, 03-24-2014 03:53 AM
    • Replies: 3
    • Views: 128
    03-24-2014, 09:15 AM Go to last post
  43. Cross Table with conditon

    Hello, I have the following data LOGIN,IMPROVE,EXECNUMBER,RESULT 1002,NO,1,0 1002,NO,2,0 1002,NO,3,0 1002,NO,4,0 1002,NO,5,0 1002,NO,6,0...

    Started by aleplgr‎, 03-23-2014 09:21 AM
    table
    • Replies: 1
    • Views: 118
    03-23-2014, 12:33 PM Go to last post
  44. Predict value of dependent variable with ancova in R

    Hi, I want to check the relation between sediment export in a river, slope percentage and land use. Y = sediment export = numerical X1 = slope...

    Started by jones123‎, 03-23-2014 11:30 AM
    • Replies: 0
    • Views: 171
    03-23-2014, 11:30 AM Go to last post
  45. hclust function-cluster analysis-text/document-function creation

    Hi guys Im working on a text mining/clustering project and am trying to create a table which contains number of clusters as rows and 6 columns...

    Started by excelmac‎, 03-21-2014 07:36 PM
    • Replies: 2
    • Views: 178
    03-21-2014, 11:55 PM Go to last post
  46. Combining data into one graph in R

    Good Day! I am working on creating a simple graph in R that shows 3 different (mean +/- 95% CI) for each group. I've used ggplot to create each...

    Started by Fultonardo‎, 03-19-2014 08:22 PM
    • Replies: 3
    • Views: 264
    03-21-2014, 05:24 PM Go to last post
  47. Need help with repeated measures anova

    I need to run repeated measure anova with my data, but getting the formula correct is proving confusing (particularly that Error() part). I need help...

    Started by TopazFrost‎, 03-21-2014 03:55 PM
    • Replies: 0
    • Views: 180
    03-21-2014, 03:55 PM Go to last post
  48. CCA output

    I am having trouble finding/reporting some important output information from cca's run in the vegan package (cca, summary.cca) . Specifically I am...

    Started by rbalo‎, 02-20-2011 12:05 PM
    • Replies: 2
    • Views: 1,618
    03-21-2014, 11:07 AM Go to last post
  49. Descriptive statistics

    Dear all, I have 12 000 households, and I have to calculate the percentage of children and adults per household. how can I calculate it using R ?...

    Started by amale‎, 03-21-2014 09:57 AM
    • Replies: 0
    • Views: 161
    03-21-2014, 09:57 AM Go to last post
  50. Bonferroni pairwise comparisons

    I thought about posting this in my Tukey thread but decided a new thread would be better. I have read several articles and tried those methods but...

    Started by dlutter‎, 03-20-2014 11:12 AM
    • Replies: 0
    • Views: 120
    03-20-2014, 11:12 AM Go to last post
  51. Help deciphering regression analysis

    Hi, I'm rather new here. I need help to understand where to find the regression coefficient results? (The figures that mean if the independent...

    Started by GIS‎, 03-20-2014 07:08 AM
    • Replies: 0
    • Views: 150
    03-20-2014, 07:08 AM Go to last post
  52. Tukey's HSD following repeated measures ANOVA using ezANOVA package

    Hi, I have a longitudinal balanced tendon injury study with two treatment groups of horses (n=6/group) with 5 measurements over 6 mos measured on...

    Started by dlutter‎, 03-14-2014 01:13 PM
    clinical study, [r]
    • Replies: 6
    • Views: 295
    03-19-2014, 03:39 PM Go to last post
  53. R error of doom!

    something weird has been happening to my R which I don't like. it started off in my (very old) lap top that every time I ran a simulation, sooner or...

    Started by spunky‎, 03-17-2014 02:57 PM
    2 Pages
    1 2
    • Replies: 23
    • Views: 495
    03-19-2014, 09:56 AM Go to last post
  54. Need parameters from poisson distribution from glm

    I have some data that I am trying to find the best model for. I am trying a good dozen, and glm with the poisson family is giving the best fit on the...

    Started by TopazFrost‎, 03-17-2014 03:04 PM
    • Replies: 2
    • Views: 163
    03-18-2014, 05:26 PM Go to last post
  55. Format plotted data points according to vector

    Hello, I'm new to R and I'm trying to plot the VALUE column and then label them with the LABEL column X VALUE LABEL COLOR 1 78 T041N2 3...

    Started by aleplgr‎, 03-18-2014 03:37 PM
    • Replies: 0
    • Views: 154
    03-18-2014, 03:37 PM Go to last post
  56. Extract residuals from adonis function in vegan package

    I am using the adonis function in the vegan package to determine effects of different environmental factors in forest plant community composition in...

    Started by aliciavaldes1501‎, 03-18-2014 06:59 AM
    adonis, multivariate-testing, vegan
    • Replies: 0
    • Views: 134
    03-18-2014, 06:59 AM Go to last post
  57. Cool Programming R to randomly select?

    Hello i am a programming beginner and need to make a script randomly select an object A or B for a programme im trying to make, it will then randomly...

    Started by luke95‎, 03-17-2014 06:50 AM
    • Replies: 2
    • Views: 174
    03-17-2014, 04:53 PM Go to last post
  58. contrast by R or by SPSS in repeated measure ANOVA

    Hi all, I am teaching statistics to students in psychology. My university used statistica and I want to change for R. No problem was observed until...

    Started by nickx‎, 03-16-2014 09:13 AM
    • Replies: 2
    • Views: 200
    03-16-2014, 12:28 PM Go to last post
  59. Drop values based on another variable

    I am trying to create a linear regression model between age and salary for example. I am particularly interested in the younger population so I...

    Started by Foargo9x‎, 03-14-2014 04:28 AM
    drop values, r data manipulation
    • Replies: 2
    • Views: 193
    03-15-2014, 11:36 PM Go to last post
  60. lm for multiple regression hangs up

    I'm new to R and came over strictly to do a regression on a dataset with 28 variables and 60k entries (excel limits you to 16 variables). I watched...

    Started by sniggolmad‎, 03-13-2014 02:38 PM
    linear model, [r]
    • Replies: 1
    • Views: 183
    03-15-2014, 10:51 PM Go to last post

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