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Questions tagged r

1149 questions · page 15 of 23

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9
votes
1
answers

Inconsistent behavior between str_split and strsplit

string r split
asked 2011-09-09T20:48:46.440
30
votes
1
answers

Changing color of density plots in ggplot2

r ggplot2
asked 2011-09-09T15:15:33.510
72
votes
3
answers

How do I generate a list with a specified increment step?

r seq
asked 2011-09-07T21:00:03.983
28
votes
2
answers

linear regression "NA" estimate just for last coefficient

r
asked 2011-09-07T17:06:01.330
14
votes
3
answers

How do you apply a function to a nested list?

r
asked 2011-09-07T16:29:50.363
10
votes
4
answers

ggplot2: Why Does Semi-Transparency + pdflatex Cause Heavier-Than-Normal PDF Fonts?

r ggplot2
asked 2011-09-07T11:54:21.683
9
votes
2
answers

merge command comparison between R and Stata

r merge stata
asked 2011-09-07T08:01:30.733
21
votes
2
answers

Using R cut function on dates

r date
asked 2011-09-06T19:14:38.423
15
votes
5
answers

How can I get the screen resolution in R

windows r system screen resolution
asked 2011-09-05T07:53:56.077
65
votes
8
answers

Apply function to each column in a data frame observing each columns existing data type

r apply sapply
asked 2011-09-05T02:06:41.663
33
votes
1
answers

How to develop a package in R?

r package r-s4
asked 2011-09-04T04:46:35.170
10
votes
4
answers

Data manipulation in R in LINQ style

linq r
asked 2011-09-03T03:21:24.520
9
votes
2
answers

Read multiple tables in from a single text file?

r text-files
asked 2011-08-31T22:17:26.347
9
votes
3
answers

Digging into R profiling information

r profiling
asked 2011-08-31T04:38:30.827
15
votes
1
answers

Can `ddply` (or similar) do a sliding window?

r plyr
asked 2011-08-29T04:14:16.257
34
votes
6
answers

Can rbind be parallelized in R?

r
asked 2011-08-29T00:17:07.700
9
votes
3
answers

How to count the number of combinations of boolean data in R

r
asked 2011-08-25T03:53:07.573
16
votes
1
answers

Why do rapply and lapply handle NULL differently?

r null lapply
asked 2011-08-24T03:57:53.320
21
votes
7
answers

Vectorize a product calculation which depends on previous elements?

r vectorization product
asked 2011-08-22T21:03:03.360
95
votes
4
answers

Why are loops slow in R compared to apply?

performance r apply
asked 2011-08-22T02:59:46.383
10
votes
7
answers

How to calculate returns from a vector of prices?

r
asked 2011-08-21T20:43:57.210
9
votes
2
answers

R .libPaths() difference between RStudio and command-line R

r rstudio
asked 2011-08-20T02:22:09.190
39
votes
2
answers

Why is the terminology of labels and levels in factors so weird?

r levels factors
asked 2011-08-19T23:27:56.933
14
votes
3
answers

Align multiple ggplot2 plots with grid

r data-visualization ggplot2
asked 2011-08-19T14:47:31.900
26
votes
4
answers

Removing specific rows from a dataframe

r dataframe rows
asked 2011-08-18T19:16:38.623
40
votes
9
answers

What is the practical use of the identity function in R?

r functional-programming identity
asked 2011-08-18T14:14:54.127
22
votes
8
answers

How to read data from Microsoft Access .accdb database files into R?

database r ms-access dataset
asked 2011-08-18T06:32:05.797
111
votes
10
answers

How to save all console output to file in R?

file r console logging
asked 2011-08-17T17:32:43.783
18
votes
4
answers

R: merge two irregular time series

r datetime merge time-series zoo
asked 2011-08-17T07:52:42.140
10
votes
1
answers

How can I document datasets without adding them to the Collate field?

r roxygen roxygen2
asked 2011-08-17T00:44:53.577
16
votes
6
answers

Sequence length encoding using R

r encoding
asked 2011-08-16T11:45:53.417
39
votes
5
answers

Show correlations as an ordered list, not as a large matrix

r
asked 2011-08-16T06:11:50.287
15
votes
5
answers

Dataframes in a list; adding a new variable with name of dataframe

list r dataframe names lapply
asked 2011-08-16T05:01:22.897
22
votes
3
answers

How do I create a continuous density heatmap of 2D scatter data in R?

r ggplot2
asked 2011-08-16T03:23:36.107
10
votes
1
answers

How to set g++ compiler flags using Rcpp and inline?

c++ r inline rcpp
asked 2011-08-15T09:05:51.377
12
votes
1
answers

write.table extra column

r
asked 2011-08-15T07:32:45.867
12
votes
2
answers

getGraphicsEvent for reading the key board for a noninteractive session

windows r keyboard-events rterm
asked 2011-08-13T23:23:56.943
107
votes
17
answers

Importing Excel files into R, xlsx or xls

r xlsx xls
asked 2011-08-13T07:57:37.557
21
votes
1
answers

Storing C objects in R

c r
asked 2011-08-11T20:48:13.240
27
votes
2
answers

Data frames and is.nan()

r
asked 2011-08-11T18:42:09.117
38
votes
3
answers

Extending ggplot2 properly?

r ggplot2 prototype-programming
asked 2011-08-11T16:58:13.400
14
votes
2
answers

Change histogram bar colours greater than a certain value

r histogram
asked 2011-08-11T14:14:13.637
15
votes
3
answers

ECDF on the same plot using ggplot2

r ggplot2
asked 2011-08-08T21:47:20.410
23
votes
2
answers

Convert a month abbreviation to a numeric month, in R

r datetime
asked 2011-08-08T19:28:08.143
64
votes
9
answers

Find duplicated rows (based on 2 columns) in Data Frame in R

r duplicates dataframe
asked 2011-08-08T18:19:18.523
10
votes
3
answers

R: Reversing the data in a time series object

excel r reverse time-series
asked 2011-08-07T18:00:26.487
46
votes
8
answers

Subset elements in a list based on a logical condition

list r conditional-statements
asked 2011-08-04T12:36:15.460
10
votes
1
answers

Running R interactively from windows command prompt

r command-line
asked 2011-08-04T10:46:20.877
9
votes
5
answers

Perl (or R, or SQL): Count how often string appears across columns

mysql string perl r
asked 2011-08-04T02:19:22.927
28
votes
4
answers

Index values from a matrix using row, col indices

r indexing matrix r-faq
asked 2011-08-03T00:41:37.993
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