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Questions tagged r

1149 questions · page 4 of 23

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26
votes
3
answers

Fit a line with LOESS in R

r loess
asked 2013-03-11T09:39:50.873
8
votes
2
answers

Problematic Random Forest training runtime when using formula interface

r performance machine-learning formula
asked 2013-03-10T11:58:29.870
8
votes
4
answers

Transfer values from one dataframe to another

r dataframe
asked 2013-03-09T11:28:40.357
10
votes
1
answers

Generating knitr reports

r knitr
asked 2013-03-08T23:02:27.097
10
votes
2
answers

Disregarding simple warnings/errors in tryCatch()

r warnings try-catch
asked 2013-03-08T13:25:22.253
21
votes
2
answers

how to read.jpeg in R 2.15

r import png jpeg
asked 2013-03-07T22:57:11.773
10
votes
3
answers

String to variable name in R

r string-concatenation
asked 2013-03-07T11:51:46.093
8
votes
3
answers

Generate unique patterns of numbers (e.g. 1221 considered same pattern as 2112)

r
asked 2013-03-07T10:38:17.433
15
votes
1
answers

`sample()` gives different values with same `set.seed()`

r sample ggplot2 seeding
asked 2013-03-07T01:47:59.853
17
votes
1
answers

Whats the impact of requiring a package inside a function if the package is already loaded?

r require
asked 2013-03-06T21:26:36.763
27
votes
1
answers

R Download.File Issue with Excel Workbook

r excel download
asked 2013-03-06T14:42:10.780
15
votes
1
answers

Error Objects in \usage without \alias in documentation object from R CMD Check

r package roxygen2
asked 2013-03-05T10:54:55.393
12
votes
3
answers

How to display text with Quotes in R?

string r quotes
asked 2013-03-04T14:58:26.410
19
votes
8
answers

Complicated reshaping

r dataframe reshape2
asked 2013-03-03T05:50:32.577
18
votes
3
answers

Return the character associated with the specified Ascii code in R

r character ascii
asked 2013-03-02T20:48:45.570
11
votes
3
answers

Reading numbers as strings

r file file-read formal-languages
asked 2013-02-27T12:51:39.930
8
votes
1
answers

How to recycle colours in a colorbrewer palette using line symbols

r ggplot2 colorbrewer
asked 2013-02-27T12:42:46.040
14
votes
1
answers

Fill superimposed ellipses in ggplot2 scatterplots

r ggplot2
asked 2013-02-26T21:57:17.630
8
votes
1
answers

when to use factor() when plotting with ggplot in R?

r ggplot2
asked 2013-02-25T15:44:36.867
10
votes
2
answers

R doesn't reset the seed when "L'Ecuyer-CMRG" RNG is used?

r parallel-processing prng
asked 2013-02-25T15:25:18.113
12
votes
3
answers

Create a cluster of co-workers' Windows 7 PCs for parallel processing in R?

r parallel-processing cluster-computing mpi
asked 2013-02-23T09:29:16.540
19
votes
5
answers

R package xtable, how to create a latextable with multiple rows and columns from R

r latex
asked 2013-02-23T03:35:52.480
12
votes
2
answers

What's wrong with as.numeric in R?

r
asked 2013-02-21T22:30:26.170
32
votes
4
answers

Random forest output interpretation

r profiling output random-forest
asked 2013-02-21T07:19:10.200
15
votes
2
answers

How to self join a data.table on a condition

r join data.table
asked 2013-02-20T15:36:10.553
8
votes
2
answers

How to create text connection from string variable?

r
asked 2013-02-20T11:29:00.513
241
votes
3
answers

Use of ~ (tilde) in R programming Language

r r-faq r-formula
asked 2013-02-20T09:27:57.883
10
votes
4
answers

Date sequence in R spanning B.C.E. to A.D

r date
asked 2013-02-19T20:40:02.633
12
votes
1
answers

Converting the data in year month day hour and minutes to date in R

r
asked 2013-02-19T18:03:19.573
11
votes
4
answers

Create parametric R markdown documentation?

r markdown knitr pandoc
asked 2013-02-19T13:58:30.740
20
votes
3
answers

Indicating the statistically significant difference in bar graph USING R

r ggplot2 bar-chart
asked 2013-02-19T13:00:18.180
39
votes
2
answers

generating a vector of difference between two vectors

r
asked 2013-02-19T04:14:01.777
263
votes
6
answers

Change size of axes title and labels in ggplot2

r ggplot2
asked 2013-02-18T18:10:39.593
32
votes
1
answers

Using dynamic column names in `data.table`

r data.table
asked 2013-02-18T13:11:15.107
11
votes
3
answers

how do I select the smoothing parameter for smooth.spline()?

r lambda smoothing spline
asked 2013-02-18T03:59:32.627
12
votes
2
answers

R - count matches between characters of one string and another, no replacement

r
asked 2013-02-18T01:48:46.787
12
votes
2
answers

Why does lapply() not retain my data.table keys?

r data.table lapply
asked 2013-02-18T01:39:29.643
24
votes
4
answers

duplicate vector into matrix r

r vector matrix
asked 2013-02-17T23:49:18.410
12
votes
1
answers

Update a data frame in shiny server.R without restarting the App

r shiny
asked 2013-02-15T19:45:27.570
9
votes
1
answers

column vectors to matrix in R

r matrix k-means
asked 2013-02-15T04:33:40.897
22
votes
1
answers

Lazy evaluation in R – is assign affected?

r lazy-evaluation assign
asked 2013-02-14T21:26:47.360
25
votes
2
answers

Changing the line type in the ggplot legend

r ggplot2
asked 2013-02-14T13:08:09.277
82
votes
7
answers

Appending a list to a list of lists in R

r list matrix append extend
asked 2013-02-13T07:03:30.577
36
votes
5
answers

Place a legend for each facet_wrap grid in ggplot2

r ggplot2 legend facet facet-wrap
asked 2013-02-12T19:48:02.273
39
votes
3
answers

Line break when no data in ggplot2

r datetime ggplot2 posixct
asked 2013-02-11T21:20:34.373
11
votes
2
answers

append rows to dataframe using foreach package

r foreach parallel-processing
asked 2013-02-11T15:56:58.923
8
votes
1
answers

R: Format data frame summary

r
asked 2013-02-09T20:12:10.913
11
votes
1
answers

Adding lists names as plot titles in lapply call in R

r plot
asked 2013-02-09T16:49:16.383
32
votes
1
answers

Specification of first and last tick marks with scale_x_date

r ggplot2
asked 2013-02-07T19:46:01.037
12
votes
4
answers

R Dynamically build "list" in data.table (or ddply)

r data.table plyr aggregation
asked 2013-02-06T04:29:53.850
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