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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: 270,239
    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: 111,838
    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: 13,504
    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: 116,965
    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: 256,017
    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: 124,358
    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: 26,160
    10-17-2012, 07:20 PM Go to last post
  1. plot type 'line' will be truncated to first character

    For anyone that can help me this would be greatly appreciated. I have to determine the probability of a Markov chain hittng state 1 before hitting...

    Started by sjk31‎, 10-28-2015 10:57 AM
    computers, software r, statistic, statistical
    • Replies: 0
    • Views: 3,955
    10-28-2015, 10:57 AM Go to last post
  2. Hotelling’s one sample paired T2 test

    Hello friends, I need a quick help on reporting Hotelling T2 statistic value when I perform a Hotelling’s one sample paired T2 test. When I use...

    Started by sunnyaroraiitb‎, 10-28-2015 08:48 AM
    • Replies: 0
    • Views: 3,738
    10-28-2015, 08:48 AM Go to last post
  3. 'predict' with a constraint value

    Dear all, Here is my problem: I have a, say, (financial) time series of length 170, and I would like to have predictive values from time 171 to...

    Started by Julien_4230‎, 10-27-2015 02:22 PM
    • Replies: 1
    • Views: 1,433
    10-28-2015, 06:37 AM Go to last post
  4. How to use function "risk" in R programming?

    I have function "risk", but I do not know how to use it after function was running in R. The function is following: risk = function(psa,...

    Started by Alla‎, 10-28-2015 05:26 AM
    • Replies: 0
    • Views: 1,023
    10-28-2015, 05:26 AM Go to last post
  5. Error in multivariate plot

    Hi I am trying to make a multivariate plot similar to the above image in R, using the command pairs(response variable,panel=panel.smooth) I...

    Started by nieve5552‎, 10-27-2015 10:03 PM
    multivariate plot, plot
    • Replies: 1
    • Views: 1,817
    10-27-2015, 10:12 PM Go to last post
  6. Adding dates to an existing time series.

    Date Calls Holiday Holidayf 1 10/15/2012 1581 0 0 2 10/16/2012 1477 0 0 3 10/17/2012 1200 0 0 4 ...

    Started by mdo8105‎, 10-27-2015 01:33 PM
    • Replies: 3
    • Views: 2,179
    10-27-2015, 02:16 PM Go to last post
  7. Plot from complex table in R

    I created a table in R using three variables say a,b,c and got an output of the count for the first two by the third(count a*b for each c) , I would...

    Started by def5n‎, 10-27-2015 01:26 PM
    plot, table
    • Replies: 0
    • Views: 2,850
    10-27-2015, 01:26 PM Go to last post
  8. fuzzy lookup

    Hello, Firstly i am new in R, i know how to install packages and do some easy thing in R but not much. In excel i have use the add-in fuzzy...

    Started by tuxo‎, 10-26-2015 06:44 AM
    • Replies: 3
    • Views: 2,765
    10-26-2015, 11:50 AM Go to last post
  9. Sample datasets on Mac

    Hi, I installed my R console to work on sample datasets. So to do analysis or create graphs i want to bring that data into the R console. To read...

    Started by scuby‎, 10-24-2015 08:35 PM
    • Replies: 0
    • Views: 1,694
    10-24-2015, 08:35 PM Go to last post
  10. Need Help

    Hello, I'm new to R and it's extremely confusing to me. I'm trying to create a vector titles Mass (g) with (4670, 1020, 206, 190, 105, 300, 261.5,...

    Started by Opendome‎, 10-23-2015 05:25 PM
    • Replies: 3
    • Views: 2,235
    10-24-2015, 04:22 PM Go to last post
  11. Help with forecasting error

    I am trying to forecast daily call volume, with data spanning over three years. Date Calls 1 10/15/2012 1581 2 10/16/2012 1477 3 ...

    Started by mdo8105‎, 10-23-2015 02:18 PM
    • Replies: 1
    • Views: 1,235
    10-23-2015, 04:18 PM Go to last post
  12. Best r formula to use in forecasting this data.

    I have daily call center data. I am trying to forecast a week out. What would be the best formula to use to obtain the lowest MAPE? Here is my data:...

    Started by mdo8105‎, 10-23-2015 04:12 PM
    • Replies: 0
    • Views: 1,353
    10-23-2015, 04:12 PM Go to last post
  13. Contourplot - lattice. position of secondary axis and insert low-levels commands

    Hi: I try to use contourplot but I need insert points in grafic. The script I use was: grid<-expand.grid(x1 = seq(10, 15, 0.01), x2 = seq(50,...

    Started by igol‎, 10-23-2015 11:26 AM
    • Replies: 0
    • Views: 612
    10-23-2015, 11:26 AM Go to last post
  14. error with x

    I have a data set, and I am trying to forecast it. I am getting an error where it is not able to find x. Does anyone have any suggestions on what I...

    Started by mdo8105‎, 10-23-2015 11:03 AM
    • Replies: 2
    • Views: 1,077
    10-23-2015, 11:23 AM Go to last post
  15. Help formatting data

    I am trying to forecast daily data with auto.arima. The issue I am running into is formatting my data. My data is in an excel csv file, and the data...

    Started by mdo8105‎, 10-23-2015 12:28 AM
    • Replies: 2
    • Views: 1,585
    10-23-2015, 09:55 AM Go to last post
  16. How to use this data in R with the forecast package

    I am trying to forecast the daily call volume. I am semi new to R, and I am trying to forecast the calls based off this excel spreadsheet. I know how...

    Started by mdo8105‎, 10-22-2015 04:11 PM
    • Replies: 0
    • Views: 1,036
    10-22-2015, 04:11 PM Go to last post
  17. How to create .tar.gz file in Rstudio-Windows

    I am trying to create an R package by using "Rstudio" for the first time ^_*. Actually, I wrote all the functions in several "R scripts" and the...

    Started by DrMemo‎, 10-22-2015 10:36 AM
    r package, r programing, r programming and usage, r project
    • Replies: 6
    • Views: 2,643
    10-22-2015, 01:58 PM Go to last post
  18. Daily data in R

    I am trying to use the forecast package in R. I have my daily data in excel. What would be the best way to organize the rows and cells, so that when...

    Started by mdo8105‎, 10-22-2015 12:34 PM
    • Replies: 1
    • Views: 2,233
    10-22-2015, 12:44 PM Go to last post
  19. Web Scraping From a javascript

    Hi all, I am new to web scraping and doing a project to learn more. My goal is to scrape data from the top four tennis players and look for...

    Started by mvemjsunp‎, 10-21-2015 08:42 PM
    • Replies: 0
    • Views: 2,688
    10-21-2015, 08:42 PM Go to last post
  20. Non parametric multivariate analysis?

    Hi this is a pretty straightforward question, what analysis allows multivariate analysis that is also non parametric? I would like to analyse the...

    Started by nieve5552‎, 10-21-2015 07:45 AM
    multivariate, non parametric, non-normal distribution
    • Replies: 3
    • Views: 1,665
    10-21-2015, 03:13 PM Go to last post
  21. Plotting the results of GLM in R

    I have this data plotted as a scatter plot in Excel I had done a regression in Excel, and the p value was 2.14E-05 while the R- value was 0.32. I...

    Started by nieve5552‎, 10-20-2015 11:19 PM
    glm, poisson, scatterplot
    • Replies: 4
    • Views: 2,078
    10-21-2015, 03:02 PM Go to last post
  22. Chauvenets criterion and multivariate analysis

    Hi Is it a function that could be used in R to run Chauvenets criterion to reject outliers in a data set? Or does it have to be done manually by...

    Started by nieve5552‎, 10-21-2015 02:53 AM
    chauvenets, multivariate analysis, program r
    • Replies: 2
    • Views: 2,968
    10-21-2015, 02:58 PM Go to last post
  23. Example code of the Thinknum package does not run

    The following example code in the documentation of the Thinknum package # install.packages("Thinknum") library(Thinknum) thinknumdata =...

    Started by consuli‎, 10-21-2015 09:11 AM
    • Replies: 4
    • Views: 1,589
    10-21-2015, 01:08 PM Go to last post
  24. Angry show navigation in a graph in R

    I am trying to show navigation in R plot. The current status in time one or (t1) is set as val$currentstatus and next status in (t2) wants to be...

    Started by foad‎, 10-21-2015 03:28 AM
    graphing in r, markov decision process, shiny app
    • Replies: 0
    • Views: 874
    10-21-2015, 03:28 AM Go to last post
  25. R Arima Equation Question - Please help!

    Hello, I am new to R and I am trying to conduct a time series ARIMA analysis for my work.

    Started by Angela1234‎, 10-20-2015 12:34 PM
    arima, time series analysis
    • Replies: 3
    • Views: 1,058
    10-21-2015, 01:47 AM Go to last post
  26. how to transform suffix and standardize the values

    I am working with weather data . I see that the damage_property column is suffixed with "K" , "M" , "B" etc . I have > 1 million records in my...

    Started by renjithmadhavan‎, 10-20-2015 01:44 PM
    • Replies: 2
    • Views: 1,283
    10-20-2015, 10:38 PM Go to last post
  27. R Challenge of the Week

    It's been a little slow around here lately. I thought maybe having a stupid small weekly challenge would be fun. The goal is simply to solve...

    Started by Dason‎, 10-07-2015 01:55 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 4,057
    10-20-2015, 05:57 PM Go to last post
  28. repeating specific set of rows in a data frame

    Let's say I have a data frame, "df", that has 100 rows. I want to make another data frame in which the first 40 rows are the same as in df, the 41st...

    Started by efoss‎, 10-17-2015 07:01 PM
    • Replies: 2
    • Views: 2,738
    10-18-2015, 01:06 PM Go to last post
  29. Can't Use R to open R files

    I am new to R. Using R version 3.2.2 (2015-08-14) . When I save R script or Workspace I can't use R to open them. When I right click the file ...

    Started by Apple1‎, 10-18-2015 04:07 AM
    • Replies: 0
    • Views: 1,218
    10-18-2015, 04:07 AM Go to last post
  30. the syntax with software R of AIC BIC

    Hi everybody, I have a logistic regression model with twenty independent variables I would like start automatic selection of variables to...

    Started by valko‎, 10-16-2015 07:57 AM
    • Replies: 4
    • Views: 1,997
    10-17-2015, 04:19 AM Go to last post
  31. About lapply

    I am trying to understand how lapply works. Someone sent me the following code, which repeats the same command (mvrnorm) 10 times, in a list format....

    Started by GreatPlayer‎, 10-15-2015 11:58 PM
    • Replies: 1
    • Views: 1,424
    10-16-2015, 03:00 AM Go to last post
  32. 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: 5
    • Views: 3,196
    10-15-2015, 02:28 PM Go to last post
  33. I need to merge columns by date into one column

    Hi all, I need to change a dataframe that is has a variable arranged by date like this: ID Var_Day1 Var_Day2 Var_Day3 1 2 66 222 2 5 55 333...

    Started by dortiz‎, 10-09-2015 10:12 AM
    date, melt, reshape
    • Replies: 7
    • Views: 1,806
    10-14-2015, 10:46 PM Go to last post
  34. Trying to choose the right post-hoc analysis for my unbalanced dataset

    Hello everyone! I'm a beginner in R and I encountered some problem. My data has unbalanced design. The number of observations was influenced by...

    Started by IevaB‎, 10-14-2015 04:31 AM
    • Replies: 0
    • Views: 1,152
    10-14-2015, 04:31 AM Go to last post
  35. Periodic function parameters

    Good time of a day, friends. I have faced the necessity to do the flowing work: I have "dirty" periodic function with micropicks. I need to find...

    Started by Atfatra‎, 10-13-2015 09:42 AM
    • Replies: 0
    • Views: 1,425
    10-13-2015, 09:42 AM Go to last post
  36. adding points to a 3d graph

    When I want to make a scatter plot with multiple sets of points, I use "plot" with "type = 'n'", and then I add "points(x = ..., y = ...)". I tried...

    Started by efoss‎, 10-10-2015 12:27 AM
    • Replies: 4
    • Views: 1,523
    10-10-2015, 05:30 PM Go to last post
  37. Wrong length for priors

    Dear all, I have a simple decision tree model, which is failing throwing the following error message m2_dt <- rpart(extractmodel(train),...

    Started by nrjrasaxena‎, 10-09-2015 03:18 PM
    • Replies: 0
    • Views: 3,336
    10-09-2015, 03:18 PM Go to last post
  38. Grouped Kernel Density Estimation

    Hi folks! I'm new to the site and forum because I 'm having an R problem that I haven't seen answered yet... Data: I have daily temperature...

    Started by mghoff‎, 10-09-2015 01:17 PM
    kernel density, panel data
    • Replies: 0
    • Views: 1,179
    10-09-2015, 01:17 PM Go to last post
  39. Where to find a C file R is calling

    In the type.convert function it is calling C_typeconvert. I assume (maybe incorrectly) that is is a C_File housed somewhere in R's source. I forked...

    Started by trinker‎, 10-08-2015 03:14 PM
    • Replies: 1
    • Views: 1,713
    10-08-2015, 03:27 PM Go to last post
  40. College Hw

    Not exactly sure how to do this its the first hw of the semester and im already lost any help will be appreciated thanks in advance. Question 1...

    Started by CollegeNewbie‎, 10-07-2015 11:39 PM
    • Replies: 1
    • Views: 1,255
    10-08-2015, 03:02 PM Go to last post
  41. vegan package capscale error

    Hello, I'm trying to use the capscale function of the vegan package, but get the error: "Needs a model formula" For instance: > x c1 c2...

    Started by jk78‎, 10-08-2015 10:20 AM
    • Replies: 0
    • Views: 518
    10-08-2015, 10:20 AM Go to last post
  42. Help with wilcox_test

    > group1 0.90 0.37 1.63 0.83 0.95 0.78 0.86 0.61 0.38 1.97 > group2 1.46 1.45 1.76 1.44 1.11 3.07 0.98 1.27 2.56 1.32 > data1 group1...

    Started by paigen‎, 10-07-2015 04:43 PM
    • Replies: 1
    • Views: 2,241
    10-07-2015, 05:29 PM Go to last post
  43. [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: 1,778
    10-05-2015, 08:42 AM Go to last post
  44. 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: 1,540
    10-05-2015, 06:06 AM Go to last post
  45. 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: 1,042
    10-05-2015, 05:51 AM Go to last post
  46. 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: 1,893
    10-04-2015, 02:25 PM Go to last post
  47. [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: 867
    10-03-2015, 11:29 PM Go to last post
  48. 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
    python
    • Replies: 1
    • Views: 1,474
    10-03-2015, 03:31 PM Go to last post
  49. 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
    rcmdr
    • Replies: 3
    • Views: 4,258
    10-02-2015, 04:47 PM Go to last post
  50. 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: 1,804
    10-02-2015, 09:58 AM Go to last post
  51. 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: 1,469
    10-01-2015, 01:49 PM Go to last post
  52. 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: 1,560
    10-01-2015, 11:52 AM Go to last post
  53. 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: 11,391
    09-29-2015, 04:20 PM Go to last post
  54. 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: 3,887
    09-28-2015, 07:11 PM Go to last post
  55. 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: 2,082
    09-28-2015, 04:51 AM Go to last post
  56. 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: 932
    09-24-2015, 12:09 AM Go to last post
  57. 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: 1,495
    09-23-2015, 12:53 PM Go to last post
  58. 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: 846
    09-22-2015, 07:51 AM Go to last post
  59. 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: 1,132
    09-21-2015, 03:37 AM Go to last post
  60. 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: 2,026
    09-19-2015, 10:29 AM Go to last post

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