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Questions tagged r

1149 questions · page 16 of 23

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225
votes
5
answers

How to assign colors to categorical variables in ggplot2 that have stable mapping?

r ggplot2
asked 2011-08-02T21:41:58.707
10
votes
3
answers

Replace NA values by row means

r
asked 2011-08-02T20:21:27.763
36
votes
7
answers

Can I navigate, zoom in and zoom out R plots?

r mouse plot zooming pan
asked 2011-08-02T15:27:48.483
52
votes
2
answers

change both legend titles in a ggplot with two legends

r ggplot2 legend
asked 2011-08-02T11:00:38.087
10
votes
6
answers

Problems with RODBC sqlSave

mysql r rodbc
asked 2011-08-02T10:25:40.530
13
votes
5
answers

How do I extract values from uniform list in R?

r list extract
asked 2011-08-02T03:57:14.980
23
votes
1
answers

Overlay a map on top of a 3d surface map in r

r rgl
asked 2011-08-01T16:10:03.340
17
votes
2
answers

Load a package only when needed in R package

r package
asked 2011-08-01T08:25:48.097
11
votes
3
answers

match two columns with two other columns

r
asked 2011-07-30T01:13:18.950
35
votes
2
answers

How to change order of boxplots when using ggplot2?

r ggplot2 boxplot r-factor
asked 2011-07-29T00:33:38.310
77
votes
6
answers

Draw a circle with ggplot2

r ggplot2 geometry
asked 2011-07-28T16:58:29.880
26
votes
4
answers

What are the key components and functions for standard model objects in R?

r statistics modeling
asked 2011-07-27T18:33:59.923
179
votes
3
answers

R apply function with multiple parameters

r
asked 2011-07-26T08:33:21.477
97
votes
16
answers

Convert a matrix to a list of column-vectors

list r matrix
asked 2011-07-25T17:08:08.570
9
votes
4
answers

Aggregating values in a data frame based on key

r idioms
asked 2011-07-25T05:23:28.877
22
votes
7
answers

Why is my recursive function so slow in R?

algorithm r optimization recursion fibonacci
asked 2011-07-24T13:33:50.273
18
votes
1
answers

setting distance matrix and clustering methods in heatmap.2

r distribution heatmap hclust
asked 2011-07-24T12:22:30.800
33
votes
4
answers

How to run a R language(.r) file using Batch file?

r batch-file
asked 2011-07-22T10:51:02.540
22
votes
2
answers

How to copy an object's structure (but not the data)

r
asked 2011-07-20T15:51:01.550
21
votes
2
answers

Linear interpolation in R

r statistics interpolation
asked 2011-07-16T23:17:18.003
151
votes
3
answers

How do I combine two data-frames based on two columns?

r merge dataframe
asked 2011-07-15T15:07:53.507
14
votes
3
answers

How to display numeric columns in an R dataframe without scientific notation ('e+07')

r types dataframe
asked 2011-07-15T12:01:21.310
17
votes
7
answers

Call R scripts in Matlab

r matlab
asked 2011-07-14T14:44:57.107
16
votes
2
answers

How to update summary when using NeweyWest?

r summary lm
asked 2011-07-14T09:50:44.193
68
votes
1
answers

ggplot's qplot does not execute on sourcing

r ggplot2 r-faq
asked 2011-07-13T06:46:09.450
36
votes
5
answers

Reproducing lattice dendrogram graph with ggplot2

r graphics ggplot2 lattice ggdendro
asked 2011-07-13T01:32:47.570
12
votes
4
answers

Pivot Table-like Output in R?

r pivot-table reshape
asked 2011-07-12T15:47:02.827
12
votes
4
answers

Base word stemming instead of root word stemming in R

r nlp stemming
asked 2011-07-12T13:02:02.877
12
votes
3
answers

Passing a data frame from-to R and C using .call()

c r
asked 2011-07-12T00:09:13.167
28
votes
4
answers

How do I strip dollar signs ($) from data/ escape special characters in R?

r escaping
asked 2011-07-10T06:52:46.840
17
votes
3
answers

Get a single value out of any statistics tests (e.g. value of spearman rho out of cor.test)

r
asked 2011-07-10T05:37:59.553
22
votes
2
answers

Intersection of lists in R

r list set-intersection
asked 2011-07-08T21:36:51.233
15
votes
1
answers

How to make a confusion matrix for a predictive model in R?

r prediction
asked 2011-07-08T04:05:26.167
16
votes
4
answers

read.csv row.names

r read.csv
asked 2011-07-06T11:31:46.077
19
votes
3
answers

Read csv from specific row

r
asked 2011-07-06T06:08:15.287
20
votes
2
answers

Fastest way to subset - data.table vs. MySQL

mysql r rmysql data.table
asked 2011-07-06T01:30:30.770
43
votes
8
answers

Plotting pca biplot with ggplot2

r graphics ggplot2 pca
asked 2011-07-05T05:44:28.593
90
votes
4
answers

Extract regression coefficient values

r regression lm
asked 2011-07-05T00:24:53.823
19
votes
4
answers

How do I add the mean value to a histogram in R?

r statistics histogram
asked 2011-07-02T15:48:54.700
10
votes
1
answers

R - order a data.frame by column name AS CHARACTER

r
asked 2011-07-01T19:53:56.247
21
votes
3
answers

Why is caret train taking up so much memory?

r memory glm r-caret
asked 2011-07-01T05:38:06.353
25
votes
3
answers

Complete word matching using grepl in R

regex r grepl
asked 2011-06-29T23:02:46.790
26
votes
2
answers

Access zoo or xts index

r xts zoo
asked 2011-06-24T08:27:35.403
29
votes
4
answers

Standard Deviation in R Seems to be Returning the Wrong Answer - Am I Doing Something Wrong?

r statistics standard-deviation
asked 2011-06-23T16:52:50.490
67
votes
2
answers

class in R: S3 vs S4

class r r-s4
asked 2011-06-23T07:37:53.947
22
votes
7
answers

Strategies for repeating large chunk of analysis

r
asked 2011-06-22T08:47:38.180
14
votes
1
answers

Is there an implementation of Hadley's ddply for python?

python r plyr
asked 2011-06-22T01:50:03.303
40
votes
7
answers

R Function for returning ALL factors

r math numbers factorization
asked 2011-06-21T11:58:46.863
129
votes
9
answers

How to randomize (or permute) a dataframe rowwise and columnwise?

r random permutation
asked 2011-06-21T08:17:42.270
9
votes
2
answers

Can GGPLOT make 2D summaries of data?

r ggplot2
asked 2011-06-20T16:34:23.103
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