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Questions tagged r

1149 questions · page 12 of 23

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15
votes
1
answers

change axis scaling step size in ggplot2

r
asked 2012-03-14T15:09:07.657
18
votes
2
answers

Extract formula from model in R

r modeling
asked 2012-03-14T00:25:20.507
9
votes
4
answers

Avoid clipping of points along axis in ggplot

r ggplot2 clipping
asked 2012-03-13T19:23:38.443
14
votes
1
answers

r - ggplot2 - create a shaded region between two geom_abline layers

r ggplot2
asked 2012-03-12T21:57:41.953
14
votes
2
answers

List exported objects from R package without attaching it

r cran
asked 2012-03-11T20:17:33.653
24
votes
3
answers

Usage of Dot / Period in R Functions

r
asked 2012-03-11T06:26:47.577
8
votes
2
answers

Subset multiple columns in R - more elegant code?

r subset
asked 2012-03-09T21:49:04.857
23
votes
3
answers

How to compare functions?

r function
asked 2012-03-09T17:24:57.333
21
votes
2
answers

Calling library() in R with a variable as the argument

r
asked 2012-03-09T01:29:41.417
110
votes
3
answers

Read all files in a folder and apply a function to each data frame

r list lapply summary
asked 2012-03-05T09:44:05.827
20
votes
1
answers

documenting dataset with roxygen2

r packaging roxygen2 rd
asked 2012-03-05T04:35:15.353
8
votes
1
answers

Load a data file in R using tryCatch

r error-handling try-catch
asked 2012-03-02T12:47:20.680
54
votes
4
answers

Plot multiple columns on the same graph in R

r ggplot2 r-faq
asked 2012-03-02T10:41:34.873
26
votes
7
answers

Using regexp to select rows in R dataframe

regex r dataframe
asked 2012-03-01T17:19:21.267
39
votes
3
answers

How can I get the average (mean) of selected columns

r
asked 2012-02-28T22:05:17.920
95
votes
2
answers

What are the differences between community detection algorithms in igraph?

r igraph
asked 2012-02-27T20:37:13.470
11
votes
6
answers

select last observation from longitudinal data

r
asked 2012-02-27T20:23:21.483
130
votes
3
answers

R programming: How do I get Euler's number?

r eulers-number
asked 2012-02-27T00:03:26.830
8
votes
2
answers

Visualizing distance between nodes according to weights - with R

r distance igraph
asked 2012-02-26T10:11:03.440
49
votes
3
answers

Remove parenthesis from a character string

r string gsub
asked 2012-02-26T00:34:23.847
8
votes
2
answers

Extract numeric value from ACF in R

r
asked 2012-02-25T02:19:13.913
8
votes
4
answers

How extract regression results from lme, lmer, glmer to Latex?

r latex
asked 2012-02-23T04:36:51.340
10
votes
3
answers

How to create thiessen polygons from points using R packages?

r geometry polygon spatial
asked 2012-02-22T21:52:03.490
8
votes
1
answers

Search a github repository for the file defining a given function

r github github-api
asked 2012-02-22T19:52:07.307
99
votes
6
answers

Select random element in a list of R?

r
asked 2012-02-22T07:51:36.300
22
votes
3
answers

How to Parse Year + Week Number in R?

r datetime
asked 2012-02-21T15:42:01.153
31
votes
5
answers

Remove everything after space in string

r regex gsub
asked 2012-02-16T21:20:29.527
13
votes
2
answers

Comparing rows between two matrices

r matrix
asked 2012-02-16T18:29:41.313
64
votes
6
answers

Reset the graphical parameters back to default values without use of dev.off()

r rstudio
asked 2012-02-15T11:32:58.510
32
votes
5
answers

Generating LaTeX output from R data frame

r latex sweave
asked 2012-02-14T08:54:10.890
62
votes
2
answers

When documenting in Roxygen: How do I make an itemized list in @details?

r documentation roxygen
asked 2012-02-13T20:32:42.727
14
votes
2
answers

R: How to overlay pie charts on 'dots' in a scatterplot in R

r charts ggplot2 visualization cluster-analysis
asked 2012-02-10T18:46:52.943
34
votes
5
answers

ggplot2: Multiple color scales or shift colors systematically on different layers?

r ggplot2
asked 2012-02-10T17:47:37.063
10
votes
6
answers

how to incorporate C or C++ code into my R code to speed up a MCMC program, using a Metropolis-Hastings algorithm

c r mcmc
asked 2012-02-10T11:36:29.650
277
votes
7
answers

Find the day of a week

r date r-faq
asked 2012-02-09T17:54:53.597
10
votes
4
answers

Appending % sign in output of prop.table

r sweave
asked 2012-02-07T23:36:31.013
10
votes
1
answers

R making a list of factors in a dataframe column

r
asked 2012-02-07T18:41:36.707
35
votes
3
answers

Why do logicals (booleans) in R require 4 bytes?

r memory boolean
asked 2012-02-07T14:44:36.180
26
votes
3
answers

How to reverse a matrix in R?

r
asked 2012-02-03T21:33:29.230
12
votes
1
answers

Compute projection / hat matrix via QR factorization, SVD (and Cholesky factorization?)

r regression svd projection-matrix qr-decomposition
asked 2012-01-30T21:28:41.130
258
votes
9
answers

Import text file as single character string

r
asked 2012-01-30T17:54:10.960
8
votes
2
answers

how to find similar sentences / phrases in R?

r statistics nlp
asked 2012-01-26T05:35:43.180
8
votes
2
answers

How do I retrieve a simple numeric value from a named numeric vector in R?

r
asked 2012-01-20T09:49:09.180
23
votes
6
answers

Create a regular sequence of date-times (POSIXct) using seq()

r date posixct
asked 2012-01-19T10:03:38.730
12
votes
3
answers

grid.layout in ggplot

r ggplot2
asked 2012-01-17T17:40:32.413
26
votes
2
answers

RMySQL dbWriteTable with field.types

mysql sql r rdbms rmysql
asked 2012-01-14T17:59:43.930
12
votes
3
answers

R type conversion expression() function()

r function expression type-conversion
asked 2012-01-13T20:50:06.657
76
votes
8
answers

duplicate 'row.names' are not allowed error

r csv r-faq
asked 2012-01-13T16:41:46.187
8
votes
1
answers

Updating packages in R - impact of checkBuilt = TRUE or FALSE

r installation
asked 2012-01-11T23:42:11.970
102
votes
3
answers

What is the difference between gc() and rm()

r memory-management garbage-collection
asked 2012-01-11T03:20:50.367
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