Thank you Dr. Spencer Graves for your answer.
What kind of matrices? They come form an image of about 3000x5000, and
I need to generate arround 1024 matrices of the same size, they are not
sparse
matrices.
What function can I use to, once generated one matrix, I could save into
disk
and
If you want to sort a data frame according a variable, the use it like
datfram[order(datfram$var),]
to sort all the data.frame, not just a variable
Spencer Graves wrote:
?order
Martin Lam wrote:
Hi,
I was wondering if someone know how to sort a data set
by column.
I've tried sort()
Hi R users:
How can I have several subscript number with a comma in a plot.
I would like to have the LaTeX equivalent of
x_{i,j}.
I try:
plot(1:10,1:10,type=n)
text(5,5,expression(x[i,j]))
but it doesn´t work.
Thank you for your help.
__
I vote for R-madillo!
Erin Hodgess wrote:
How about an R-madillo?
Erin from Texas
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PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
--
Kenneth
Hi R users:
I got a problem when I make graphics in LINUX, the graphic window
is static, I can resize it, but I can not move it (there is no frame),
* what should I configure in LINUX to make them work again?
* Is it posible to have a history list of the graphics like in W2K, so
I can see them
Hi R Users:
I have some legal questions about R development.
R is under GNU Licence, version 2.
How the core team deal with their employer (most of the cases
it Universities, I don't know if public or private) about
their contribution to R development?
Do you have to make all the work outside the
Hi R users:
I am using R 2.01. over a LINUX(Scientific Linux CERN)
platform and I got the following problem:
It takes too much time (more than 6 hours, because I
stop the process) to read a
270MB database. I am using read.table() function.
Is there any workaround to read faster a big data base?
Hi R list:
How can I repeat a data frame n times (with n1000),
and obtain a new data frame where all the n data frames
are binded by rows?
Thank you for your help
Kenneth
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Using Opera's revolutionary e-mail client: http://www.opera.com/mail/
__
, Kenneth Cabrera [EMAIL PROTECTED]
wrote:
Hi R list:
How can I repeat a data frame n times (with n1000),
and obtain a new data frame where all the n data frames
are binded by rows?
Thank you for your help
Kenneth
--
Using Opera's revolutionary e-mail client: http://www.opera.com/mail
As I said, a very more elegant solution!
Thank you!
On Mon, 01 May 2006 11:52:44 -0500, Prof Brian Ripley
[EMAIL PROTECTED] wrote:
my_df[rep(1:nrow(my_df), times=n), ]
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Hi R users:
I download the .zip files and also PACKAGES and PACKAGES.gz files
in a local directory, but when I call
library(Rcmdr)
It shows me a tcl/tk windows telling me to install the additional
packages, the it takes me to another window where I must specify
the path where the .zip files are
Hi R users:
I got this messages when I try to use the Rcmdr library, after
I make an update with update.packages() command.
I am using R221 in windows environment.
library(Rcmdr)
Loading required package: tcltk
Loading Tcl/Tk interface ... done
Loading required package: car
Error in
, Ontario
Canada L8S 4M4
905-525-9140x23604
http://socserv.mcmaster.ca/jfox
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Kenneth Cabrera
Sent: Monday, February 13, 2006 7:54 PM
To: r-help@stat.math.ethz.ch
Subject
Hi R users:
When I use this commands:
-
testData-read.table(testData.dat,header=T)
model1J-glm(MCHNV~offset(Offset1),data=testData,family=poisson)
step(model1J,direction=forward,
Hi R users:
Sorry if the attached file didn't arrive.
Im sending you in a zip format, hope it arrives.
The data base is not too large so I copy here in ascii format:
Thank you for your help
Kenneth
testData.dat
MCHNV IA IM altura Region Offset1
215 26.9863956381346 1.07456622007468 2 URABA
Hi R users:
I don´t know if anybody have had the same problem with 'step()' funtion.
If I type the commands
---
testData-read.table(testData.dat,header=T)
Ok
Here is the complete command secuence
--
testData-structure(list(MCHNV = c(215, 325, 435, 327, 150, 949, 417, 528,
572, 1255, 517, 221, 306, 274, 307, 203, 258, 126, 88, 85, 75,
64, 77, 49, 133, 192, 32, 73, 139, 52, 17,
?apply
apply(data,1,var)
On Sat, 01 Apr 2006 21:27:56 -0500, mark salsburg
[EMAIL PROTECTED] wrote:
I have a very large matrix. I would like to display the variance across
each
row.
In other words, I want to output a vector containing the values of
variance
across row.
When I use
of the list in just one final data.frame.
Thank you for your help
--
Kenneth Cabrera
Universidad Nacional de Colombia
Tel Of 430 9351
Cel 315 504 9339
Medelln
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PLEASE
?
Thank you for your help.
PS: Also when I look for the help files using
help.start(), it answers me:
Could not open file
file://localhost/E:/rw1091/library/Rcmdr/html/00Index.html
--
Kenneth Cabrera
Universidad Nacional de Colombia
Tel Of 430 9351
Cel 315 504 9339
Medellín
If you supose that each mean is independent then
s.err_total_chem - sqrt(sum(s.err_event^2))
If not you must estimate de var-covariance matrix to find this s.err.
This estimation will be difficult given the scarce data available.
Hope it will helps.
Kenneth
Jose A. Hernandez wrote:
Folks,
This is
Hello, R users:
I got the following problem when I try to install some packages using
the 2.1.0 patched version on Window$.
This is only an example.
The same happens when I try to install ade4.
(it download the packages and their dependency, but when it finish to
download
it shows the same error)
Hi Gianluca:
try :
x2-x[1:(length(x)-2)]-x[3:length(x)]
OR
x2-diff(x,lag=2)
Hope it helps.
Gianluca wrote:
Hi all,
I'm back to use S-Plus after a lot programming with SAS, so it's hard
for me to face many simple problems
Let's come to what is going to make me crazy. I have a simple 1000
See ?qr
and
http://ikpe1101.ikp.kfa-juelich.de/briefbook_data_analysis/node224.html
Note the compact form of how QR decomposition in R works.
On Mon, 01 Sep 2003 08:54:55 -0300, CENDOYA, Gabriela
[EMAIL PROTECTED] wrote:
Hi:
Does R have a function as gsorth is SAS, that perform a the
Hi, Dr Halvorsen
Try
identify(expand.grid(1:512,1:512))
But, be careful with the index of the matrix (image)
On Tue, 02 Sep 2003 15:31:45 -0400, kjetil brinchmann halvorsen
[EMAIL PROTECTED] wrote:
Hola!
I will want to identify pixels in an image with the mouse, for so getting
the image
Hi R-users and R-experts:
Is it posible to make transparent graphics on R?
I mean, one graphic with colors over another one
but both visible with transparent options?
Thank you for your help
Kenneth
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Yes, Dr. Blackwell:
What I mean is the second part:
If you need to give the appearance of
color mixing, you will have to identify which points coincide,
and plot those again using a third color. I don't use lattice
graphics, but I presume the situation is much the same.
Is it possible with
Hi R-Users
Is there any package in R that work Indicator Kriging?
Or somebody is working in a link between GSLIB library in
FORTRAN for R?
Thank you very much for your help.
--
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Dear Dr Thomas
What should I do in this case?
How can I estimate the variogram using the full data set?
Thank you very much for your help.
Kenneth
On Tue, 25 Mar 2003, Kris Nackaerts wrote:
Dear,
we have a problem with geoR. We try to read an ASCII table (x,y,z) with
4
lines. With
Dear R-Users:
Which is the best way to fee memory inside a function to
make room for some other process that uses most of the
RAM available and latter retrive this data again to
finish the function?
Thank you very much for your help
Kenneth Cabrera
Hi R maintainers:
when I use
update.packages()
And I try to update the package maps
maps :
Version 2.0-9 in D:/rw1080/library
Version 2.0-10 on CRAN
Update (y/N)? y
The following message appears:
trying URL
`http://cran.r-project.org/bin/windows/contrib/1.8/maps_2.0-10.zip'
Error in
Hi R-users:
How can I format a daily time serie with ts function
so the plot of the time shows the date right
(dd/mm/yy) or yy. ?
Excerp of the database:
FECHA TRM
101/01/2000 1873.77
202/01/2000 1873.77
303/01/2000 1873.77
404/01/2000 1874.35
505/01/2000
Prof Brian Ripley [EMAIL PROTECTED] wrote:
It's probably best to handle this an an x-y plot (?plot.POSIXct) or as an
irregular time series (see package its on CRAN).
A daily time serie is not a regulary spaced time serie?
The ts function is designed for time series that you want to do
time-series
Hi R-users:
How can I read an ascii database that is controled by the column number?
For example:
7349593Luis Miguel Ariza Gutierrez 32342123
9394583X XX 34234930
39483 CCC CC39203230
3484932YY
Hi R-Users
Does any body on the list have build a .chl file for R using the ConTEXT
editor?
Thank you for your help
Kenneth
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`tseries' is a package for time series analysis
and computational finance.
See `library (help=tseries)' for details.
The old package version, not the 0.9-7 new version.
What am I doing wrong?
Thank you for your help
Kenneth Cabrera
, or get the file
yourself via ftp.
I will do that!
Where the file is cached, in the proxy server, maybe?
Thank you again
On Fri, 24 Jan 2003, Kenneth Cabrera wrote:
Hi R users:
I'm using R 1.6.2 version in W2K platform.
When I use update.packages() to update from the CRAN site it shows me
several
Hi R developers:
I am collecting the elements to Build R on W2K.
But I found that the www.fptex.org link, lead me to www.dante.de site.
In this site I don't found where to download the fptex software.
And worst: ich spreche kein Deutch!!!
Danke sehr!
use the option sep=\t on write.table.
see ?write.table
On Mon, 10 Mar 2003 11:55:46 -0800, Francisco J Molina [EMAIL PROTECTED]
wrote:
Subject: separator = TAB in write.table
X-Mailer: VM 7.00 under 21.4 (patch 6) Common Lisp XEmacs Lucid
Reply-To: [EMAIL PROTECTED]
FCC:
modify the
fft C code to do that?
If I want to modify the precision of the fft function, which parameter
of the .Machine option do I modify, and how?
Thank you for your help.
Kenneth Cabrera
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https
If you are asking about .Rdata files, the answer is yes...
I do that several times and it works without any problem.
The .Rhistory file is an ASCII file, so, no problem...
Best Regards
Saludos desde Colombia
Kenneth
[EMAIL PROTECTED] wrote:
Hi,
I would like to know if my files saved on R
Hi R-users:
How can I obtain 3 graphics in a page but, one on the top and centered, and
the other two in the bottom ?
Thank you for your help
--
Kenneth Roy Cabrera Torres
Celular +57 (315) 405 9339
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Hi R users:
Does any one knows about a R library for deal with
intervention/impact analysis in time series (eg. Box-Tiao et. al. theory?).
Thank you for your help
--
Kenneth Roy Cabrera Torres
Celular +57 (315) 405 9339
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Hi R users:
I want to know if you have the same problem with
the citation() function, it doesnt work!
Thank you
R in W2K, version 1.8.1.
--
Kenneth Cabrera
Universidad Nacional de Colombia
Tel 430 9351
Cel 315 504 9339
Medelln
__
[EMAIL PROTECTED
Hi R users.
Why if I have a two-way or multifactor analysis of variance and
I call the function model.tables with the se=T options there
is not estimation when I have an interaction on the model?
Thank you very much for your help
--
Kenneth Cabrera
Universidad Nacional de Colombia
Tel Of 430
Hi R users:
In your opinion and experience, which hardware configuration
is the best to run R over LINUX ?
With best I mean best performance,
and also cheapest. (about U$ 2.000 the whole basic system:
mother board+CPUs+RAM+HD)
By the way, which LINUX distribution is the best to
run R with high
Hi, R users:
I have a data.frame (not a matrix), I got a vector with the same length
as the
number of records (rows) of the data frame, and each element of
that vector is the column number (in a specific range of columns) of the
corresponding
record that I must set to zero.
How can I do
Hi R users:
Is it any R implementation of a cluster procedure
for large data sets (clara()) but with dissimilary
that can handle continuous, categorical and
nominal variables (daisy()) like
CLARANS (Clustering Large Applications
based up on RANdomized Search), por example?
Thank you for your
Hi R users:
I want to know if any one of you had
the problem with Tinn-R, when you
call the library svIDE on the new R 2.5.0,
(because in the old R 2.4.1 works with out
any problem).
I got this message:
library(svIDE)
Loading required package: tcltk
Loading Tcl/Tk interface ... done
Warning
?set.seed
On Wed, 02 May 2007 18:25:18 -0500, Santanu Pramanik
[EMAIL PROTECTED] wrote:
Hi all,
Is it possible to generate the same sample number of times in R? In
SAS, using the option seed it is possible to reproduce exactly the
same sample. Is there any such feature in R which I can
Hi R users.
I am experimenting with ubuntu 7.04 Feisty.
I install the ggobi package with apt-get.
I got almost all the packages, but
when I try to obtain rggobi, I got
this message:
-
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