1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
    05-10-2017
    Views:
    2,835
+ Post New Thread
Page 4 of 69 FirstFirst 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 54 ... LastLast
Threads 181 to 240 of 4122

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: 271,275
    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: 112,314
    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: 13,555
    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: 117,325
    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: 256,927
    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: 124,727
    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: 26,223
    10-17-2012, 07:20 PM Go to last post
  1. 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: 3,532
    12-14-2016, 12:51 PM Go to last post
  2. 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: 3,710
    12-12-2016, 05:55 PM Go to last post
  3. 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: 3,638
    12-11-2016, 11:40 PM Go to last post
  4. 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: 3,732
    12-11-2016, 11:21 PM Go to last post
  5. 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: 3,716
    12-11-2016, 07:18 AM Go to last post
  6. Vungle Project

    <deleted>.....

    Started by DV Man‎, 12-03-2016 02:11 PM
    • Replies: 12
    • Views: 4,662
    12-08-2016, 08:39 PM Go to last post
  7. 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: 4,172
    12-08-2016, 08:59 AM Go to last post
  8. 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: 2,469
    12-07-2016, 10:45 AM Go to last post
  9. 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: 3,863
    12-07-2016, 09:14 AM Go to last post
  10. 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: 5,920
    12-06-2016, 02:51 AM Go to last post
  11. Help! How do I fit this multinomial logistic regression model?

    Hello! I wanted to ask for help with an investigation that I am carrying out. I am trying to find if ethnicity is the most determinant factor of...

    Started by marimo22‎, 12-03-2016 09:08 AM
    • Replies: 0
    • Views: 3,412
    12-03-2016, 09:08 AM Go to last post
  12. R equivalent code from Stata code on regression.

    Hi, I am trying to run these stata codes into R. I have never before used stata before, so I am confused on how to transform it in R. I was...

    Started by sandyzman‎, 12-02-2016 11:02 PM
    • Replies: 0
    • Views: 3,040
    12-02-2016, 11:02 PM Go to last post
  13. R package (doSNOW)masking objects

    I am trying to do a simulation analysis. The code was running alright with small sample. For the full run, I ran into the following error at first. I...

    Started by thomashaosun‎, 12-02-2016 03:30 AM
    • Replies: 1
    • Views: 2,799
    12-02-2016, 07:37 AM Go to last post
  14. Mapping Shape files in R

    Hello, I would like to know if there's a way to convert Shape_Area and Shape_Length data to geo lat/long coordinates because I have a way to map...

    Started by iknowu99‎, 11-29-2016 11:33 AM
    • Replies: 0
    • Views: 3,235
    11-29-2016, 11:33 AM Go to last post
  15. AR(1)-ARCH(1) modeling

    I don't really know if this is the right place to ask for this, but maybe someone could guide me on the process of fitting AR(1)-GARCH(1) model in R....

    Started by lovetim‎, 11-28-2016 11:22 PM
    arch
    • Replies: 0
    • Views: 3,143
    11-28-2016, 11:22 PM Go to last post
  16. How to generalize these basic steps with vectorization techniques?

    df <- data.frame( amount=rnorm(100,1000,50), class=sample(1:10,10), year=rep(2013:2016, 25) ); head(df) #trying to generalize...

    Started by databuilder‎, 11-20-2016 11:16 PM
    • Replies: 6
    • Views: 3,784
    11-28-2016, 10:17 AM Go to last post
  17. How to use chi-square test correspondence between features and response in R?

    There is a set of tumors,each one includes five features, which relate to one gene type result. Tumor Feature 1 ... Feature 5 Gene type 1 Type 1...

    Started by l35633‎, 11-27-2016 03:13 PM
    chi-square
    • Replies: 0
    • Views: 3,176
    11-27-2016, 03:13 PM Go to last post
  18. What is an AIC in R, and what is a "good" one?

    I am doing the Titanic Kaggle problem (has anyone done this?) and I have this output from a logistic regression model: Call: glm(formula =...

    Started by DV Man‎, 11-22-2016 01:42 PM
    • Replies: 6
    • Views: 4,827
    11-23-2016, 02:30 AM Go to last post
  19. Question How can I insert value in a phrase

    Hello everyone! I started learning R since last September in my grad program, and also teaching myself functions that I do not learn in the...

    Started by shin1990‎, 11-20-2016 02:10 PM
    • Replies: 2
    • Views: 3,553
    11-20-2016, 03:59 PM Go to last post
  20. Cox Snell residuals in R

    I'm trying to fit parametric survival models for a data that I have, and I don't know how to get the Cox Snell residuals in R. An example of...

    Started by askazy‎, 11-19-2016 07:45 AM
    • Replies: 0
    • Views: 3,799
    11-19-2016, 07:45 AM Go to last post
  21. PCA for Compositional Data using R

    Good evening! As the title suggest, I'm approaching to PCA for compositional Data. The dataset is about 5200 proteins for which is recorded a value...

    Started by Ferdinando Coppola‎, 11-16-2016 12:32 PM
    biplot, compositional data, pca
    • Replies: 2
    • Views: 3,777
    11-18-2016, 03:30 AM Go to last post
  22. Creating a boxplot with a data frame

    I have the following dataset: > dput(twins) structure(list(Foster = c(82L, 80L, 88L, 108L, 116L, 117L, 132L, 71L, 75L, 93L, 95L, 88L, 111L,...

    Started by DV Man‎, 11-14-2016 08:46 AM
    • Replies: 3
    • Views: 3,256
    11-16-2016, 08:26 AM Go to last post
  23. Guitarpackage in R

    Hi! I am fairly new to R, and have been trying to run R's Guitar package on my linux with not much success. No image is generated - I get an error...

    Started by blur‎, 11-16-2016 06:47 AM
    guitar package r
    • Replies: 1
    • Views: 3,230
    11-16-2016, 07:55 AM Go to last post
  24. Point size base plots

    So cex with scale points and defaults to 1 being 1px. Is there a way however to link the diameter of points to the y-axis. So lets say we have: ...

    Started by Lazar‎, 11-12-2016 04:56 PM
    • Replies: 5
    • Views: 3,672
    11-13-2016, 12:24 AM Go to last post
  25. Don't understand why it needs to be class factor

    I have the following piece of code which I am trying to run library(Rcmdr) library(RcmdrMisc) library(RcmdrPlugin.DoE) PB.DOE <- pb(nruns= 12...

    Started by anonake‎, 11-10-2016 02:10 PM
    regression
    • Replies: 0
    • Views: 2,666
    11-10-2016, 02:10 PM Go to last post
  26. Error: unexpected string in constant

    Hi All, apologies for the basic question but I'm a newbie in R and I can't seem to fix this one line of code. I'm inputting; awk '$1 ==...

    Started by Magpie101‎, 11-10-2016 05:58 AM
    error
    • Replies: 1
    • Views: 4,612
    11-10-2016, 01:10 PM Go to last post
  27. Complex line graphic

    Hello everyone, :D I am trying to do a graph with the enclosed file. In ordinate I want to represent the mutation rate mu for the three types...

    Started by Bioinfo974‎, 11-06-2016 07:41 PM
    • Replies: 5
    • Views: 3,172
    11-09-2016, 03:26 AM Go to last post
  28. Online R coding tuition

    Hi guys, i'm new to R and have some biological data sets I need help coding with, is there anyone on here that is able to give online tuition in...

    Started by imbricata‎, 11-07-2016 05:28 AM
    • Replies: 1
    • Views: 3,897
    11-07-2016, 07:36 AM Go to last post
  29. Adding Text to Horizontal Line in GGPlot2

    So I made this barplot, and I have a horizontal line at the mean of the wholesale price of all cars. I would like to add text to this line to denote...

    Started by DV Man‎, 10-30-2016 08:24 PM
    • Replies: 12
    • Views: 4,888
    11-06-2016, 05:48 PM Go to last post
  30. Factorial ANOVA, How to do a imple effects analysis in R?

    I am running a factorial ANOVA in R. I want to find out the effect of gender and the semester the student is enrolled in on a standardized test. ...

    Started by ricardo.l‎, 11-06-2016 10:57 AM
    • Replies: 0
    • Views: 3,406
    11-06-2016, 10:57 AM Go to last post
  31. Help with Rstudio coding

    Hi guys I really need some help with the coding for a linear model with Gaussian error structure to assess whether a numerical variable is affected 2...

    Started by imbricata‎, 11-06-2016 10:31 AM
    • Replies: 0
    • Views: 3,283
    11-06-2016, 10:31 AM Go to last post
  32. What wrong with my code?

    I am running a DOE where i have generated a PB design. This ends up as a data table with my predictor variables and the experiments I need to run to...

    Started by anonake‎, 11-03-2016 08:06 AM
    calculated column, r code
    • Replies: 9
    • Views: 3,903
    11-05-2016, 04:56 PM Go to last post
  33. Presence/Absence Data - (Dis)similarity Analysis in R

    Hi everyone, I could not find a thread which matches my problem sufficiently. If I missed the right thread you are welcome to give me short hint....

    Started by anutinashell‎, 10-28-2016 08:20 AM
    • Replies: 4
    • Views: 3,812
    11-04-2016, 02:35 AM Go to last post
  34. MLE parameter estimation error in R for Exponential Distribution

    I am doing a statistical modeling and doing right and left censoring. I have difficulty to fit my data to exponential distribution as I am getting...

    Started by mohsenhs82‎, 11-03-2016 02:06 AM
    censoring, exponential distribution, fit distribution, fitdistplus
    • Replies: 0
    • Views: 3,163
    11-03-2016, 02:06 AM Go to last post
  35. replacing 4 or more characters 'j' in a string with the same number of characters 'y'

    Let's say I have a string a <- 'jjjaaaabbbjjjjcccccddjjjjjjjjeeejjffjjjjjjgg' I want to replace all instances of the character 'j' with an...

    Started by efoss‎, 11-01-2016 10:24 PM
    • Replies: 3
    • Views: 3,294
    11-02-2016, 12:40 AM Go to last post
  36. Recoding Data

    Hi guys! This seems like an easy enough topic...but I CANNOT find it anywhere on the internet. I'm probably looking in all the wrong places so I...

    Started by gene2420‎, 08-15-2014 04:21 PM
    • Replies: 6
    • Views: 3,751
    11-01-2016, 03:18 PM Go to last post
  37. How to combine multiple variables into one by name

    I have the following dataset: class = c("tbl_df", "tbl", "data.frame"), row.names = c(NA, -121690L), .Names = c("Model", "Make", "Color",...

    Started by DV Man‎, 10-30-2016 11:25 AM
    • Replies: 9
    • Views: 3,177
    10-30-2016, 02:02 PM Go to last post
  38. Creating simple GUI for R - Calling scripts from R-external Application

    Dear all, today i would like to get some directions for the following question. Main Target - create a simple GUI which allows non R-Users to...

    Started by tester1234‎, 10-23-2016 03:26 AM
    gui, java, simple
    • Replies: 6
    • Views: 3,469
    10-29-2016, 09:57 AM Go to last post
  39. R - Logistic regression. Coding to get all predictor variables for categorical vars

    I'll preface my question by stating that I am new to using R. I am trying to use logistic regression on my data. I typed glm(formula = purchase ~...

    Started by willcoop‎, 10-26-2016 12:20 PM
    logistic regression, r coding
    • Replies: 5
    • Views: 3,549
    10-27-2016, 07:14 AM Go to last post
  40. Exclamation SOS!!!!!!! Appraisal Ratio in R

    Please share with me! Thank you in advance!:)

    Started by Lisa92‎, 10-26-2016 10:20 AM
    appraisal ratio, finance, ratio
    • Replies: 0
    • Views: 2,569
    10-26-2016, 10:20 AM Go to last post
  41. Gaussian Copula

    I have two stocks, equally weighted, in my portfolio. The objective is to link both with two marginal t-student distributions linked with a Gaussian...

    Started by John Nogueira‎, 10-26-2016 05:17 AM
    • Replies: 0
    • Views: 2,224
    10-26-2016, 05:17 AM Go to last post
  42. can't install caret.

    Im 'trying to install the caret package, but am having trouble. I'm running it on a MAC I"m already using the most updated version of R Studio....

    Started by semidevil‎, 10-24-2016 08:51 PM
    • Replies: 8
    • Views: 4,023
    10-25-2016, 09:34 PM Go to last post
  43. Help with Conditional Statement

    Hi, Please assist. I would like to create a new collumn called Completion Status. if the value of the Post_Test_Score is blank i would like the...

    Started by Easy‎, 10-24-2016 02:57 AM
    • Replies: 1
    • Views: 2,289
    10-24-2016, 10:24 AM Go to last post
  44. Apply ARIMA model to a time series - fit the model to past observations

    I am trying to make a forecast starting from a time series with monthly observations. After creating the time series in R, I applied auto.arima()...

    Started by Mark_‎, 10-13-2016 08:35 AM
    • Replies: 4
    • Views: 3,897
    10-22-2016, 06:39 AM Go to last post
  45. Lightbulb Statistical analysis and playing around with incidence rates

    Dear TalkStats Members, I am a bloody noob to R (used SPSS till now) and decided to learn R now. My first quest would be following: I have...

    Started by AAWWR-Mike‎, 10-21-2016 03:57 AM
    disease, incidence rate, linear regression, predictive analysis, projection
    • Replies: 0
    • Views: 2,314
    10-21-2016, 03:57 AM Go to last post
  46. displaying annotations close to axes in scatterplots

    Dear All, as per title, I was wondering if you have ever come across any method to put annotations (I hope this is the right word) near the axes in...

    Started by gianmarco‎, 10-19-2016 01:05 PM
    • Replies: 2
    • Views: 2,154
    10-21-2016, 03:15 AM Go to last post
  47. Smile install RHadoop

    Hello, hello to everyone! I would like to ask you a question: I am installing RHadoop of Cloudera, but R does not make me install the packages I...

    Started by Claudia14‎, 10-21-2016 02:26 AM
    rhadoop
    • Replies: 0
    • Views: 2,225
    10-21-2016, 02:26 AM Go to last post
  48. Reading in SAS files

    Hi All, I have a bunch of SAS data files I need to read into R that were created a long time ago. The bdat files work fine but I am having...

    Started by Lazar‎, 10-19-2016 06:27 PM
    • Replies: 8
    • Views: 3,687
    10-20-2016, 08:53 PM Go to last post
  49. changing the default color in a ggplot2 heat map-like plot

    I have a data frame called "test2" that has 3 columns: position, length and intensity. I want to make a plot with position on the x axis, length on...

    Started by efoss‎, 10-20-2016 10:54 AM
    • Replies: 3
    • Views: 3,060
    10-20-2016, 05:59 PM Go to last post
  50. problem with decision tree using rpart: "fit is not a tree, just a root"

    I'm doing very basic decision tree practice, but I"m having trouble getting my tree to output. I'm using the rpart function for this. It's an...

    Started by semidevil‎, 10-07-2016 03:11 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 13,522
    10-19-2016, 01:17 PM Go to last post
  51. Issue with the ISRL data sets

    Hello everyone, I recently started to read that book (An Introduction to Statistical Learning with Applications in R). Has anyone encountered...

    Started by LongHalloween‎, 10-19-2016 11:52 AM
    • Replies: 0
    • Views: 2,268
    10-19-2016, 11:52 AM Go to last post
  52. R geosphere package: unit of distance

    Hello dear forum members, I have the following question in relationship to R geosphere package: So, as per package description...

    Started by kiton‎, 10-18-2016 11:20 AM
    distance unit, geosphere
    • Replies: 2
    • Views: 4,008
    10-18-2016, 11:46 AM Go to last post
  53. Question regarding generating graphics using ggplot2

    I have two problems, but I'll start with the first one: (I have a picture of what the outcomes are supposed to look like, but sadly I cannot post...

    Started by DV Man‎, 10-17-2016 06:16 PM
    • Replies: 5
    • Views: 2,368
    10-18-2016, 08:52 AM Go to last post
  54. Root node has 3 options, but 2 branches?"

    Using the rpart package, I created a decision tree describing credit default, based on various characteristics. When I tree my data, credit...

    Started by semidevil‎, 10-14-2016 09:34 PM
    • Replies: 2
    • Views: 2,390
    10-15-2016, 10:44 AM Go to last post
  55. A Function that creates function into a list

    Hi, I am new to R. I have this code from my programming assignment: makeVector <- function(x = numeric()) { m <- NULL set...

    Started by Apple1‎, 10-09-2016 06:10 AM
    • Replies: 3
    • Views: 2,845
    10-15-2016, 07:39 AM Go to last post
  56. CEM using R

    Hi everybody, I need to build a matched control sample of non-financial fraud firms through CEM. I need to identify a sample of matched control...

    Started by paola.ancona‎, 10-14-2016 03:58 PM
    cem r
    • Replies: 0
    • Views: 1,979
    10-14-2016, 03:58 PM Go to last post
  57. Spearman's Correlation and p-Value

    Hi there! I have a dataset of n=100 and I wanted to test the correlation of 4 performance metrics. I use the spearman correlation since the data...

    Started by leomessi178‎, 10-12-2016 07:55 AM
    • Replies: 0
    • Views: 1,770
    10-12-2016, 07:55 AM Go to last post
  58. Wilcoxon Rank Sum

    Hey Guys I know how to do the wilcoxon rank sum test (>wilcox.test(x,y)). However, I have a hard time finding the sums of the ranks. Does anyone...

    Started by leomessi178‎, 10-11-2016 10:30 AM
    • Replies: 4
    • Views: 2,199
    10-11-2016, 11:01 AM Go to last post
  59. Error in assignment maximizing minimal quality in R language from the book example

    I was trying run the example given in the textbook named "Modeling and Solving Linear Programming with R" the link to the textbook can be found in...

    Started by jsmiranda‎, 10-11-2016 01:35 AM
    • Replies: 0
    • Views: 1,453
    10-11-2016, 01:35 AM Go to last post
  60. Apply formula to several files

    Hello everyone, I am a beginner in R. In order to verify my data files (which are tables with values separated by spaces in .txt files), I wanr...

    Started by fanfanus‎, 10-10-2016 12:21 PM
    • Replies: 2
    • Views: 2,311
    10-10-2016, 01:28 PM Go to last post

+ Post New Thread
Page 4 of 69 FirstFirst 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 54 ... LastLast

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 300 views
Hot thread with unread posts
More than 15 replies or 300 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts






Advertise on Talk Stats