Displaying 20 results from an estimated 3000 matches similar to: "lines.formula with subset"
2007 Nov 23
1
formatting POSIXlt object as strip labels in lattice plot
Dear list,
I'm plotting a lattice plot
xyplot(Volume ~ Weight | as.character(DateTime))
where DateTime is a POSIXlt object. This produces strip labels in
the format e.g. "2007-11-15 23:15:00" and panels are plotted in the
correct order. I'd prefer a format "15 Nov 23:15", but if I use
format(DateTime,format="%d %b %H:%M") to do the conversion, then the
2008 Nov 17
0
lines.formula() problem when data argument is missing (PR#13296)
Full_Name: Steven McKinney
Version: R 2.8.0 Patched svn rev 46845
OS: powerpc-apple-darwin9.5.0
Submission from: (NULL) (142.103.207.10)
<<insert bug report here>>
lines.formula() throws an error when subset argument is used but nothing is
provided for data argument.
Reproduce:
x<-1:5
y<-c(1,3,NA,2,5)
plot(y~x, type="n") # set up frame
lines(y~x,
2009 Oct 09
1
subsetting key on qqmath
Dear R list,
The code below puts qq-plots for two of three groups on the one
plot. However the legend includes all three groups, ie the auto.key
ignores the subset instruction. Is there an easy way to get around
this, so that only those groups plotted are included in the legend?
y1<-rnorm(100); y2<-rnorm(100)+1; y3<-rnorm(100)+2; y<-c(y1,y2,y3)
2009 Jan 20
5
Problem with subset() function?
Hi all,
Can anyone explain why the following use of
the subset() function produces a different
outcome than the use of the "[" extractor?
The subset() function as used in
density(subset(mydf, ht >= 150.0 & wt <= 150.0, select = c(age)))
appears to me from documentation to be equivalent to
density(mydf[mydf$ht >= 150.0 & mydf$wt <= 150.0, "age"])
2007 Aug 15
1
Problem Connecting to Oracle with R from Windows XP
Hello,
I installed RGui 2.5.1 and package DBI on Windows XP and tried to connect to Oracle database which is on a Linux server. When I tried to use dbDriver("Oracle"), I got an error as follows:
> drv <- dbDriver("Oracle")
Error in do.call(as.character(drvName), list(...)) :
could not find function "Oracle"
>
Could anyone tell me how
2006 Nov 29
4
rm() deletes 'c' if c('a','b') is the argument (PR#9399)
Full_Name: Lixin Han
Version: 2.4.0
OS: Windows 2000
Submission from: (NULL) (155.94.110.222)
A character vector c('a','b') is supplied to rm(). As a result, 'c' is deleted
unintentionally.
> a <- 1:5
> b <- 'abc'
> c <- letters
> ls()
[1] "a" "b" "c"
> rm(c('a','b'))
> ls()
character(0)
2007 Nov 23
4
help pleaseeeeeeeee
Dears Sirs
During my computational work I encountered unexpected behavior when calling
"ar" function, namely
# time series
x<-ts(c(-0.2052083,-0.3764986,-0.3762448,0.3740089,0.2737568,2.8235722,-
1.7783313,0.2728676,-0.3273164),start=c(1978,3),frequency=4,end=c(1980,3))
# ar function
res.ar<-ar(x,aic=TRUE,demean=F)
# call "ar" again and ............
2008 Nov 24
2
64bit R for Mac
Dear R gurus,
On the CRAN website, it says that a 64bit version for Mac OS Tiger would be release shortly. Do we know what are the expected dates? Will the packages be also compiled for 64bit?
We are running large microarray analysis and we keep hitting the 3Gb memory limit.
I saw that there is a version available on the development mirrors, but I am not too excited to replace our very stable
2006 Jul 20
3
How do I modify an exported function in a locked environment?
Running R.app on Mac OS X 10.4
> version
_
platform powerpc-apple-darwin8.6.0
arch powerpc
os darwin8.6.0
system powerpc, darwin8.6.0
status
major 2
minor 3.1
year 2006
2006 Jul 20
3
How do I modify an exported function in a locked environment?
Running R.app on Mac OS X 10.4
> version
_
platform powerpc-apple-darwin8.6.0
arch powerpc
os darwin8.6.0
system powerpc, darwin8.6.0
status
major 2
minor 3.1
year 2006
2012 Aug 23
1
Extracting data from dataframe with tied rows
Hi R help,
I'm a fairly experienced R user but this manipulation has me stumped, please
help:
DATA
id<-rep(LETTERS[1:5],20)
distance<-rnorm(1:100, mean = 100)
bearing<-sample(1:360,100,replace=T)
month<-sample(1:12,100,replace=T)
I have a dataset with records of individuals (id) , each with a distance
(distance) & direction (bearing) recorded for each month (month).
I want
2007 Aug 03
4
FW: Selecting undefined column of a data frame (was [BioC] read.phenoData vs read.AnnotatedDataFrame)
Hi all,
What are current methods people use in R to identify
mis-spelled column names when selecting columns
from a data frame?
Alice Johnson recently tackled this issue
(see [BioC] posting below).
Due to a mis-spelled column name ("FileName"
instead of "Filename") which produced no warning,
Alice spent a fair amount of time tracking down
this bug. With my fumbling fingers
2009 Aug 11
3
loadings function (PR#13886)
Full_Name: Mike Ulrich
Version: 2.9
OS: Mac OSX
Submission from: (NULL) (69.169.178.34)
The help documentation for loadings() lists more then one parameter. The
function call only expects one parameter. The digits, cutoff, and sort
parameters are not used in the function.
## S3 method for class 'loadings':
print(x, digits = 3, cutoff = 0.1, sort = FALSE, ...)
## S3 method for class
2009 Mar 17
3
Combining columns from two dataframes
I all
I am trying to combine columns from two dataframes to make a completely
new dataframe consisting of one column of dates (ie a combination of
dates from the two dataframes).
>From the following dataframes
a b
1 2008-07-27 1
2 2008-10-01 2
3 2008-08-15 3
4 2008-08-14 4
5 2008-08-14 5
6 2008-09-20 6
c d
1 2008-07-27 1
2 2008-10-01 2
I would like to get:
z
2009 Apr 29
1
Corrupt data frame construction - bug?
Hi useRs,
A recent coding infelicity along these lines
yielded a corrupt data frame.
foo <- matrix(1:12, nrow = 3)
bar <- data.frame(foo)
bar$NewCol <- foo[foo[, 1] == 4, 4]
bar
lapply(bar, length)
> foo <- matrix(1:12, nrow = 3)
> bar <- data.frame(foo)
> bar$NewCol <- foo[foo[, 1] == 4, 4]
> bar
X1 X2 X3 X4 NewCol
1 1 4 7 10 <NA>
2 2 5 8 11
2009 Jan 14
2
coercing a list into matrix
Dear list,
I have a list of number sequences. Each number sequence has different
numbers of elements. Is there a quick way (other than to iterate
through the entire list) way to coerce list to matrix with NAs filling
in the short sequences?
An example of what I mean is this:
A <- list(c(3,2,3),c(6,5))
I'd like to get A so that it is
3 2 3
6 5 NA
Best,
Ken
2009 Jan 22
2
Is it possible for R to import a SigmaPlot file?
I recently received a Sigmaplot file (*.jnb) from a customer and would like to know if I can input it to a data frame and then manipulate the data in R.
I did a search on Google and on RSeek (www.rseek.org), but did not get any good hits. Thank for any feedback and insight you can provide.
P.S. Love the flexibility of R and would love to keep using it. Just wanting to know if this is
2009 Mar 18
2
How do I set the Windows temporary directory in R?
I'm trying to redirect where temporary files go under R to
D:\temp\somerandomname from its default (C:\Documents and
Settings\username\Temp\somerandomname) -- how do I go about doing this?
--j
--
Jonathan A. Greenberg, PhD
Postdoctoral Scholar
Center for Spatial Technologies and Remote Sensing (CSTARS)
University of California, Davis
One Shields Avenue
The Barn, Room 250N
Davis, CA 95616
2009 Aug 05
2
Wishlist: Navigate to "Index" page of help when no topic (PR#13872)
On 04/08/2009 7:33 PM, Steven McKinney wrote:
>> -----Original Message-----
>> From: Duncan Murdoch [mailto:murdoch at stats.uwo.ca]
>> Sent: Tuesday, August 04, 2009 8:03 AM
>> To: Steven McKinney
>> Cc: r-devel at stat.math.ethz.ch; R-bugs at r-project.org
>> Subject: Re: [Rd] Wishlist: Navigate to "Index" page of help when no
>> topic
2007 Mar 09
1
dendrogram - got it , just need to label :)
Hi all, Hi Gavin,
thx for your help i finally found out what i want to do and how to
fix it.
just needed to get some more level my cut level was too small...
two question remain...
a) can i somehow scale the twigs after cutting ?
b) how can i label the nodes and how to label which one...
thx !!
-m.