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Questions tagged r

1149 questions · page 10 of 23

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29
votes
3
answers

Match values in data frame with values in another data frame and replace former with a corresponding pattern from the other data frame

r replace pattern-matching dataframe
asked 2012-07-17T20:15:26.467
13
votes
1
answers

Difference between passing options in aes() and outside of it in ggplot2

r plot ggplot2 size
asked 2012-07-16T20:19:45.373
18
votes
1
answers

How can I handle an "orphaned hole" in a polygon shapefile in R or ArcGIS?

r overlay gis polygon
asked 2012-07-11T12:51:09.770
14
votes
3
answers

Code styling for black and white documents

r latex knitr
asked 2012-07-10T20:42:22.047
12
votes
1
answers

How can I get R's lapply (and mclapply) to restore the state of the random number generator?

r random lapply mclapply
asked 2012-07-07T19:08:11.957
9
votes
3
answers

Automatic column name label with cast

r reshape
asked 2012-07-05T23:14:45.553
21
votes
3
answers

R: Plot multiple box plots using columns from data frame

r boxplot
asked 2012-07-05T14:52:31.487
20
votes
1
answers

Debugging (line by line) of Rcpp-generated DLL under Windows

r debugging dll gdb rcpp
asked 2012-07-05T13:38:40.163
12
votes
2
answers

Removing Two Characters From A String

r stringr
asked 2012-07-04T22:53:47.280
32
votes
9
answers

Transpose / reshape dataframe without "timevar" from long to wide format

r reshape transpose r-faq
asked 2012-07-04T05:16:24.290
9
votes
1
answers

Match with negation

r
asked 2012-07-03T00:29:48.600
15
votes
1
answers

Rcpp pass by reference vs. by value

r rcpp
asked 2012-07-02T19:36:10.877
16
votes
2
answers

How to plot family tree in R

r
asked 2012-07-01T07:42:51.367
14
votes
3
answers

a reliable way to tell if = is for assignment in R code?

r
asked 2012-06-30T22:24:22.463
34
votes
5
answers

Replace negative values by zero

r if-statement for-loop conditional-statements rcpp
asked 2012-06-30T15:09:52.900
8
votes
1
answers

Mathjax support in github using a Chrome browser plugin?

r github mathjax
asked 2012-06-29T04:01:02.970
11
votes
1
answers

compiling minimal knitr example fails

r rstudio knitr lyx
asked 2012-06-27T19:50:05.867
34
votes
3
answers

Write from R into template in excel while preserving formatting

excel r
asked 2012-06-27T14:48:26.880
8
votes
2
answers

Setting default number of decimal places for printing

r decimal
asked 2012-06-27T14:22:49.473
10
votes
2
answers

aggregate/sum with ggplot

r ggplot2
asked 2012-06-27T09:50:16.827
18
votes
2
answers

Is there a way to change the file path for an Rstudio project?

r git rstudio
asked 2012-06-26T08:40:50.697
29
votes
4
answers

World map with ggmap

r ggplot2 ggmap
asked 2012-06-26T06:44:23.057
8
votes
3
answers

flatten record based list/object into dataframe

r
asked 2012-06-25T20:41:11.820
11
votes
1
answers

In R, what's the canonical way to detect if the OS is 64-bit?

r operating-system 64-bit
asked 2012-06-22T15:22:32.917
128
votes
10
answers

Repeat rows of a data.frame

r dataframe rows repeat
asked 2012-06-20T14:04:47.377
8
votes
2
answers

Trying to connect to an ODBC server using RODBC in ubuntu

sql sql-server r odbc
asked 2012-06-18T13:41:52.157
11
votes
4
answers

2d color gradient plot in R

r colors plot linear-gradients
asked 2012-06-17T08:57:45.987
43
votes
5
answers

Recommended package for very large dataset processing and machine learning in R

r machine-learning signal-processing bigdata
asked 2012-06-15T17:29:29.317
212
votes
11
answers

Replace all 0 values to NA

r r-faq
asked 2012-06-14T16:03:13.400
10
votes
3
answers

knitr - How to align code and plot side by side

r knitr
asked 2012-06-14T10:08:35.323
10
votes
1
answers

Summary method results do not seem to be accurate for vectors

r
asked 2012-06-13T13:39:00.140
93
votes
5
answers

Creating a Prompt/Answer system to input data into R

r
asked 2012-06-13T01:43:56.087
10
votes
3
answers

How to open a local html file from R in an operating system independent way?

r
asked 2012-06-10T13:17:40.223
11
votes
3
answers

Handling missing combinations of factors in R

r
asked 2012-06-08T18:59:13.337
13
votes
0
answers

Create an R statistical report in HTML with pander

r pander
asked 2012-06-08T17:28:34.857
65
votes
2
answers

Is there a fix for jagged, poor-quality text produced by geom_text()?

r ggplot2 geom-text
asked 2012-06-08T16:41:01.287
20
votes
3
answers

Where are the vertex names in an iGraph graph

r igraph bipartite
asked 2012-06-08T04:45:08.907
11
votes
3
answers

Different NA actions for coefficients and summary of linear model in R

r summary lm na
asked 2012-06-07T14:55:29.253
8
votes
4
answers

R issue with rounding milliseconds

r time rounding milliseconds rounding-error
asked 2012-06-07T12:40:02.823
19
votes
4
answers

melt / reshape in excel using VBA?

r vba excel pivot-table reshape2
asked 2012-06-06T20:32:26.453
43
votes
4
answers

Memory Allocation "Error: cannot allocate vector of size 75.1 Mb"

r memory-management
asked 2012-06-06T15:40:12.487
16
votes
1
answers

Hourly Date Sequence In R

r time-series
asked 2012-06-04T20:15:09.967
32
votes
3
answers

Rank of a matrix in R

r matrix rank
asked 2012-06-04T12:37:01.097
15
votes
1
answers

Keeping `knitr` from popping up plot windows

r knitr
asked 2012-06-01T19:20:18.627
38
votes
4
answers

Code to import data from a Stack overflow query into R

r
asked 2012-06-01T11:19:04.920
9
votes
3
answers

R, conditionally remove duplicate rows

r conditional-statements duplicates
asked 2012-05-31T14:08:03.110
10
votes
2
answers

How to write R formula for multivariate response?

r regression
asked 2012-05-29T20:55:52.690
8
votes
1
answers

Plot two graphs on one plot. function lines does not work

r
asked 2012-05-29T05:22:18.223
10
votes
4
answers

Is it possible to read EXIF data with R?

r exif
asked 2012-05-25T23:44:07.773
35
votes
7
answers

How can I format axis labels with exponents with ggplot2 and scales?

r ggplot2
asked 2012-05-25T23:05:02.177
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