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Questions tagged r

1149 questions · page 1 of 23

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25
votes
1
answers

Adding legend to ggplot when lines were added manually

r ggplot2
asked 2013-08-05T14:00:50.840
170
votes
4
answers

Setting individual axis limits with facet_wrap and scales = "free" in ggplot2

r ggplot2 facet
asked 2013-08-04T18:17:56.567
8
votes
1
answers

PCA Scaling with ggbiplot

r ggplot2 pca ggbiplot
asked 2013-08-04T02:57:58.650
12
votes
1
answers

Why is `poly` complaining about degree less than number of unique points?

r polynomial-math
asked 2013-08-01T15:56:48.437
8
votes
1
answers

Trace of a crossproduct-matrix - a faster computation?

r matrix linear-algebra parallel-processing multicore
asked 2013-07-30T15:30:38.947
45
votes
5
answers

How to extract sheet names from Excel file in R

r excel xlconnect
asked 2013-07-30T10:39:29.290
10
votes
1
answers

caught segfault, memory not mapped error

r
asked 2013-07-29T20:20:15.657
33
votes
1
answers

Is it possible to modify a data.frame in-place (destructively)?

r dataframe data.table
asked 2013-07-26T21:43:53.260
28
votes
2
answers

How to convert a symmetric matrix into "dist" object?

r matrix distance
asked 2013-07-26T07:45:55.910
19
votes
1
answers

Correct number of decimal places reading in a .csv

r csv decimal
asked 2013-07-23T21:51:04.860
11
votes
3
answers

More elegant way to return a sequence of numbers based on booleans?

r
asked 2013-07-23T20:47:16.367
25
votes
8
answers

Cannot export data to a file in R (write.csv)

r export export-to-csv
asked 2013-07-22T02:17:11.740
19
votes
2
answers

automating the login to the uk data service website in R with RCurl or httr

r curl web-scraping rcurl httr
asked 2013-07-22T01:01:44.883
13
votes
7
answers

Converting a \u escaped Unicode string to ASCII

r unicode text-processing iconv unicode-string
asked 2013-07-20T11:39:22.320
8
votes
1
answers

ggplot2 color gradient along geom_segment()

r ggplot2 visualization
asked 2013-07-19T18:54:59.980
8
votes
2
answers

Sort vector of integers in specific (custom) order

r sorting vector
asked 2013-07-19T17:14:38.407
37
votes
1
answers

Package error when running r code on command line

r rstudio
asked 2013-07-17T16:19:00.930
8
votes
2
answers

Shiny Reactivity

r shiny
asked 2013-07-17T15:16:51.550
8
votes
1
answers

Converting XML to JSON using R

r json xml
asked 2013-07-16T19:49:23.930
11
votes
2
answers

adding 1 month to a date

r dataframe date xts zoo
asked 2013-07-16T15:50:07.140
23
votes
2
answers

Force X axis text on for all facets of a facet_grid plot

r ggplot2 gtable
asked 2013-07-15T18:17:40.877
39
votes
5
answers

Extract last word in string in R

r
asked 2013-07-15T15:41:33.267
8
votes
1
answers

R: simple multiplication causes integer overflow

r integer-overflow
asked 2013-07-15T09:24:44.887
17
votes
3
answers

How to preserve text when saving ggplot2 as .svg?

r svg ggplot2 knitr
asked 2013-07-09T18:15:04.743
8
votes
1
answers

Example for svm feature selection in R

r machine-learning weka svm feature-selection
asked 2013-07-08T14:44:15.500
32
votes
5
answers

making line legends for geom_density in ggplot2 in R

r plot ggplot2
asked 2013-07-06T18:53:55.357
59
votes
8
answers

error: --with-readline=yes (default) and headers/libs are not available

r installation
asked 2013-07-04T15:06:09.730
30
votes
2
answers

Working with neuralnet in R for the first time: get "requires numeric/complex matrix/vector arguments"

r regression prediction kaggle
asked 2013-07-03T19:57:54.137
19
votes
7
answers

R selecting all rows from a data frame that don't appear in another

r dataframe subset
asked 2013-07-02T14:13:37.280
16
votes
2
answers

Interpretation of "stat_summary = mean_cl_boot" at ggplot2?

r ggplot2 usage-statistics
asked 2013-07-01T22:15:56.023
13
votes
0
answers

Double Laplace Inversion in R with Fourier Series

r math
asked 2013-06-30T16:37:38.943
69
votes
6
answers

R shiny: display "loading..." message while function is running

r shiny
asked 2013-06-26T16:26:13.300
22
votes
3
answers

Outputting a Dataframe in R to a .csv

r csv dataframe output
asked 2013-06-25T07:13:31.663
8
votes
2
answers

Fitted values for multinom in R: Coefficients for Reference Category?

r multinomial
asked 2013-06-24T19:34:10.660
10
votes
2
answers

Clustered Bar plot in r using ggplot2

r ggplot2
asked 2013-06-24T11:05:13.847
12
votes
3
answers

Formatting of persp3d plot

r colors plot
asked 2013-06-23T08:05:01.433
11
votes
4
answers

write.table is not outputting a header for row names

r matrix
asked 2013-06-22T16:32:38.240
38
votes
4
answers

R: "Unary operator error" from multiline ggplot2 command

r ggplot2 multiline reshape2
asked 2013-06-21T16:55:45.730
13
votes
2
answers

log scale boxplots in R

r
asked 2013-06-20T20:43:16.367
57
votes
5
answers

How can I drop unused levels from a data frame?

r levels
asked 2013-06-20T15:39:54.437
185
votes
9
answers

Extract a substring according to a pattern

regex r substr
asked 2013-06-20T14:06:24.040
14
votes
4
answers

R vectorized array data manipulation

arrays r vector matrix
asked 2013-06-19T22:24:16.873
20
votes
4
answers

ERROR: a 'NAMESPACE' file is required

r namespaces r-faq
asked 2013-06-19T16:15:04.953
13
votes
1
answers

R - merge a list of data frames into one data frame with missing values by row

r merge dataframe do.call
asked 2013-06-18T14:23:24.720
10
votes
4
answers

create list programmatically with tags from character vector

r
asked 2013-06-18T12:57:16.857
10
votes
2
answers

Shiny - problems with renderUI()'s reactivity

r shiny
asked 2013-06-18T11:22:38.683
22
votes
6
answers

Getting an error "(subscript) logical subscript too long" while training SVM from e1071 package in R

r svm
asked 2013-06-14T13:07:36.123
24
votes
4
answers

How to round a time?

r time
asked 2013-06-14T12:28:29.840
36
votes
3
answers

ggplot2, legend on top and margin

r graphics ggplot2
asked 2013-06-12T19:33:50.810
9
votes
2
answers

Coloring line segments in ggplot2

r ggplot2
asked 2013-06-12T17:17:50.043
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