Tagged Questions

R is a free, open source programming language and software environment for statistical computing, bioinformatics and graphics. It is advised to supplement your question with a minimal reproducible example. For statistical questions please use stats.stackexchange.com.

learn more… | top users | synonyms (1)

0
votes
0answers
3 views

Two legends fopr polar ggplot (with one custimized)

I have made polar plots as follows: ggplot(data, aes(factor(legend.var), score, fill = factor(Indicator ) ), color='black') + geom_bar(width = 1, alpha=0.5) + scale_y_continuous() + coord_polar() + ...
1
vote
0answers
5 views

Displaying degrees of freedom in stargazer table

When constructing documents with Sweave and R, I make use of the stargazer library for tables. When using stargazer, is there a mechanism to display the degrees of freedom associated with the ...
1
vote
0answers
14 views

Getting data from python to R: rpy2 import pandas.rpy.common error

I am learning python and am just getting into pandas. I am already familiar with R. I would like to be able to create a data frame in python and then somehow get it into R. Could I do this ...
0
votes
0answers
25 views

Ordinal data: How to enter and analyze? [on hold]

When dealing with ordinal (Rank) data, what is the preferred way to perform data entry (wide format vs long format) in MS Excel? How does one analyze the data using R/ R Commander? Example: Q. What ...
-1
votes
0answers
19 views

k-fold cross-validation

5 fold cross-validation: If you were to make a "5 fold cross-validation" out of a dataset where the dataset consists of 200 samples (100 patient samples and 100 control samples) and you want to make ...
-4
votes
0answers
29 views

How to um the column of a randomly generated matrix for writing my own function for multinomial distribution random variable generation using R

The question requires: (a) Write your function for multinomial distribution random variable generation, the parameters should include n: the number of random variables generated from a multinomial ...
-1
votes
2answers
38 views

Having issues with infinitely running nested for and while loops in R

I'm trying to model a population where each year the population is either growing quickly or slowly, to a max size of 5000. I then am running this while loop 5000 times to look at variation in time to ...
-1
votes
0answers
36 views

Easiest program/language to Pair with R to make a Package GUI [on hold]

Wait ... don't hurt me it isn't what you think! I am looking to make an R package in OSX but this is not my issue (I have found guides for this), more importantly I want to have a GUI for it; much ...
1
vote
0answers
21 views

Time Series Forecasting Error in R

I'm attempting to use the forecast function from the forecast package v4.06 on a time series object I create. Depending on the size of the vector I pass into the time series function to generate a ...
-1
votes
2answers
48 views

R - cumulative sum by condition

So I have a dataset which simplified looks something like this: Year ID Sum 2009 999 100 2009 123 85 2009 666 100 2009 999 100 2009 123 90 2009 666 85 ...
1
vote
1answer
48 views

Working with “old” ggplot2 code

I made ton of figures with ggplot 0.8.9 (which is what I'm still running). Now I need to modify these figures to include legends. I am running across all sorts of problems that are hard to solve ...
0
votes
1answer
19 views

What is the R file format of a dissimilarity matrix and how do I read it in?

I am a very novice R programmer but I can't seem to find the answer anywhere. I apologize if this is a newbie question. I have 435 items and have calculated differences between all of them, giving ...
0
votes
2answers
36 views

deleting rows with a specific criteria in R

I have data set up like this date ID weight Apr 4 1 21 Apr 5 1 22 Apr 6 1 23 Apr 4 2 30 Apr 5 2 31 Apr 6 2 32 Apr 7 2 12 I want to go in and ...
-5
votes
0answers
41 views

R, RandomForest, Windows, Mac, doSNOW, doMC, classes must be at least 2 error [on hold]

I've asked this question earlier however I didn't provide enough detail First and foremost, I would like thank you very much if you could spare me a moment to enlighten me with following problem. I ...
0
votes
1answer
21 views

Show zero as hyphen in xtables

Say I have a knitr chunk such as this: library(xtable) <<>>= x <- matrix(c(0, 1, 2, 0, 4, 5)) xtable(x) @ Which yields the following LaTeX code (excerpt): \hline 1 & 0,00 \\ 2 ...

1 2 3 4 5 … 2498
15 30 50 per page