Dear Prof. Ripley,
Thank you very much for your fast and helpful reply!
Is there a canonical way of doing this without a kludge or is the below
adequate?
d-as.data.frame(matrix(nrow=1000))
With many thanks again for your help,
Yours sincerely,
David Kreil.
On Tue, 9 Dec 2003, David Kreil wrote:
Dear Prof. Ripley,
Thank you very much for your fast and helpful reply!
Is there a canonical way of doing this without a kludge or is the below
adequate?
d-as.data.frame(matrix(nrow=1000))
You need to set up the columns as you need them to
Some plots fail due to a problem with the X11 fonts. I get a message that
X11 font at size 22 could not be loaded. The demo() graphics routine for
instance dies during the third chart. The graphics demo calls font.main=1
and that seems to be where the error is. I believe this is due to a
Yes, once I've named the first column, I can add further ones by saying
d[c(x,y,z)]=NA or such. I was just wondering whether that was the way to
do it or whether there was a more elegant approach. Preallocation was the
critical clue I needed.
Thanks again for your help,
David.
Hank Stevens wrote:
R v. 1.7.1, Windows 2000.
A particular journal wants me to provide scatter plots with no box, but
with axes that meet in the lower left corner. It seems as though there
must be an easy way of doing this, but my reading the help on
plot.default, axis, and box have not
Héctor Villafuerte D. wrote:
Hi all,
I need the power of R from within some of my Python programs...
I use debian linux (woody) at home and windows XP at work (the
latter is where I need to get things done!)
This are my packages:
R 1.8.0
Python 2.3
RSPython 0.5-3
This is what I've done:
(1) Since
On Tue, 9 Dec 2003, David Kreil wrote:
Yes, once I've named the first column, I can add further ones by saying
d[c(x,y,z)]=NA or such. I was just wondering whether that was the way to
do it or whether there was a more elegant approach. Preallocation was the
critical clue I needed.
Use an
Ok, how can I both allocate storage and specify column names in a data.frame
call, please? Apologies if I'm being slow here.
With many thanks again,
David.
Yes, once I've named the first column, I can add further ones by saying
d[c(x,y,z)]=NA or such. I was just wondering whether that was
Hello everybody,
I'm seeing some strange behavior on R 1.8.1 on Intel/Linux compiled
with gcc 3.2.2. The p-value calculated from the chisq.test function is
incorrect for some input values:
chisq.test(matrix(c(0, 1, 1, 12555), 2, 2), simulate.p.value=TRUE)
Pearson's
Hi,
Here is a listw object z corresponding to the matrix W. I understand n,
nn, S0, S1 and S2 in the weights constants summary. Is it simply so that
n1 = n-1, n2 = n-2 and n3 = n-3? If this is true where they are needed?
Just wondering
Osmo
W
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8]
Hi,
Here is a listw object z corresponding to the matrix W. I understand n, nn,
S0, S1 and S2 in the weights constants summary. Is it simply so that n1 =
n-1, n2 = n-2 and n3 = n-3? If this is true where they are needed?
Just wondering
Osmo
W
[,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9]
[1,] 0
Hello,
I just install red-hat 7.2 for alpha station.
I downloaded R-1.8.1-1.alpha.rpm, but unable to install it.
I need the libblas.so.3 library. I did have a look around and did not find
where to get that library for linux alpha version.
--
regards
Try to install ATLAS (improved version of BLAS libraries):
sources form http://www.netlib.org/atlas/index.html#software
Best regards
A.S.
Alessandro Semeria
Models and Simulations Laboratory
Montecatini Environmental Research Center (Edison Group),
Via Ciro
Hank,
I think the graphical parameter you are looking for is bty, as in
par(bty=l)
Details on the ?par help topic.
Hope that helps.
Bill
Bill Pikounis, Ph.D.
Biometrics Research Department
Merck Research Laboratories
PO Box 2000, MailDrop RY33-300
David Kreil wrote:
Ok, how can I both allocate storage and specify column names in a data.frame
call, please? Apologies if I'm being slow here.
With many thanks again,
David.
Something like (UNTESTED code follows)
templateColumn - rep(NA,1000) # for 1000 rows
foo - data.frame( x =
David Kreil [EMAIL PROTECTED] writes:
Ok, how can I both allocate storage and specify column names in a data.frame
call, please? Apologies if I'm being slow here.
It gets a little tricky. I'd try something along the lines of
John Dougherty [EMAIL PROTECTED] writes:
Some plots fail due to a problem with the X11 fonts. I get a message that
X11 font at size 22 could not be loaded. The demo() graphics routine for
instance dies during the third chart. The graphics demo calls font.main=1
and that seems to be
clayton == clayton springer [EMAIL PROTECTED]
on Mon, 8 Dec 2003 13:48:11 -0500 writes:
clayton Dear R-help, I am having trouble with the predict
clayton function in lasso2. For example:
data(Iowa) l1c.I - l1ce(Yield ~ ., Iowa, bound = 10,
absolute.t=TRUE) predict (l1c.I)
Hi all
I have a problem pertaining to local and global variables.
Say I have a function defined as follows:
a-function(x)
{yx^2}
i.e
a(2)
[1] 4
function b is now defined to take the value of y and do some
manipulation with it. As it stands I dont know how to
allan clark wrote:
Hi all
I have a problem pertaining to local and global variables.
Say I have a function defined as follows:
a-function(x)
{yx^2}
i.e
a(2)
[1] 4
The function a specified above won't return 4!
function b is now defined to take the value of y and
Hi,
I have a levelplot with one panel. I just can't find out how I can
manipulate the size of the axis lables. e.g. scales.cex doesn't work,
the usual par-parameters either.
Any hint?
joerg
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It might also mean that he is looking for par(xaxs = i, yaxs = i)
Pikounis, Bill [EMAIL PROTECTED]
Sent by: [EMAIL PROTECTED]
12/09/2003 05:23 AM
To: 'Hank Stevens' [EMAIL PROTECTED], [EMAIL PROTECTED]
cc:
Subject:RE: [R] axes that meet
Hank,
I think
Hi
Thanx for those who responded to my problem. In my previous email I
tried to ask a general question and probably never explained myself
correctly. I wanted to prevent sending this long email. My apologies.
This is my actual problem.
I have a regression problem. I am
On Tue, 2003-12-09 at 02:23, Torsten Hothorn wrote:
Hello everybody,
I'm seeing some strange behavior on R 1.8.1 on Intel/Linux compiled
with gcc 3.2.2. The p-value calculated from the chisq.test function is
incorrect for some input values:
chisq.test(matrix(c(0, 1, 1, 12555),
Hi
I am facing a problem where I would like to import a TIFF image (of spots on a nylon
filter) into R (into a matrix for example). When plotting the matrix using fx.
scatterplot3d I would then be able to see how the pixel-intensities are distributed in
spot-areas on the filter - which would
On Tue, 2003-12-09 at 08:07, Peter Dalgaard wrote:
Marc Schwartz [EMAIL PROTECTED] writes:
snip
Actually, I think you can leave the :unscaled on. Seems to work for me.
Could be. That is, I believe, the default on a new install. It was on
FC1 for me (I have not had font problems so far) and I
I'm trying to learn how to do a repeated measures ANOVA in R using lme().
A data set that comes from the book Design and Analysis has the following
structure: Measurements (DV) were taken on 8 subjects (SUB) with two
experimental levels (GROUP) at four times (TRIAL).
In SAS, I use the code:
See the scales argument in ?xyplot, which has:
scales: list determining how the x- and y-axes (tick marks and
labels) are drawn. The list contains parameters in name=value
form, and may also contain two other lists called 'x' and 'y'
of the same form (described
Hi,
I do not know of any free TIFF readers for R, so I suggest that you
use an external TIFF-to-Portable Pixmap coverter and then use the
pixmap package available on CRAN. I recommend ImageMagick's convert
program available for Unix, Linux, Windows, Windows/Cygwin etc at
Marc Schwartz [EMAIL PROTECTED] writes:
It may be as simple as being sure that both the 75 dpi and 100 dpi fonts
are loaded as the SUSE query earlier this year seemed to indicate that
the 100 dpi fonts were not installed initially.
I actually wrote the bug so I'm supposed to know what it is
Uwe Ligges wrote:
Héctor Villafuerte D. wrote:
Hi all,
I need the power of R from within some of my Python programs...
I use debian linux (woody) at home and windows XP at work (the
latter is where I need to get things done!)
This are my packages:
R 1.8.0
Python 2.3
RSPython 0.5-3
This is what
Thank you to all who replied.
par(bty) and par(xaxs, yaxs) gave me all I need (and more!) for specifiying
axes in the fashion required.
Thanks,
Hank
At 07:28 AM 12/9/2003, [EMAIL PROTECTED] wrote:
It might also mean that he is looking for par(xaxs = i, yaxs = i)
Pikounis, Bill [EMAIL
On Mon, 08 Dec 2003 21:23:40 +
Umberto Maggiore [EMAIL PROTECTED] wrote:
I am a new user of R for Windows, enthusiast about the many functions
of the Design and Hmisc libraries.
I combined the results of a Cox regression model after multiple
imputation(of missing values in some
It happens with suse 9.0 as well.
...
chisq.test(matrix(c(0, 1, 1, 12556), 2, 2), simulate.p.value=TRUE)
Pearson's Chi-squared test with simulated p-value (based on 2000
Dear all,
I just received the following message, and I think it might be of interest
to the R-list.
Cordially,
Roland
- all people interested in COMPSTAT 2004 Symposium
Prague December 8, 2004
Dear colleague,
thank you very much for your
When I try to use ncomp parameter in pls procedure I get following error:
library(pls.pcr)
m - pls(x, y, validation = CV, niter = 68, ncomp = 16)
Error in inherits(x, data.frame) : subscript out of bounds
Without ncomp parameter everything seems to work OK
dim(x)
[1] 68 116
dim(y)
[1] 68
On Dec 9, 2003, at 9:37 AM, Peter Dalgaard wrote:
Marc Schwartz [EMAIL PROTECTED] writes:
Confirmed on Fedora Core 1 with R Version 1.8.1 Patched (2003-12-07)
compiled using gcc (GCC) 3.3.2 20031107 (Red Hat Linux 3.3.2-2).
chisq.test(matrix(c(0, 1, 1, 12555), 2, 2), simulate.p.value=TRUE)
...
z - matrix( c(1960,1960,1961,1,9,6), 3, 2 )
1. Using chron:
require(chron)
chron( paste( z[,2], 1, z[,1], sep=/ ) )
2. Using POSIXct:
ISOdate( z[,1], z[,2], 1 ) # relative to GMT time zone
or
ISOdate( z[,1], z[,2], 1, tz= ) # relative to current time zone
---
Date: Mon, 8
On Tue, 9 Dec 2003, Osmo Kolehmainen wrote:
Hi,
Here is a listw object z corresponding to the matrix W. I understand n, nn,
S0, S1 and S2 in the weights constants summary. Is it simply so that n1 =
n-1, n2 = n-2 and n3 = n-3? If this is true where they are needed?
Yes, used in calculating
I would also like some clarification about R memory management. Like Doug,
I didn't find anything about consecutive calls to gc() to free more memory.
We run into memory limit problems every now and then and a better
understanding of R's memory management would go a long way. I am interested
in
Dear Peter Dalgaard,
Thank you for these examples, they are very neat!
I really like the
data.frame(x=as.numeric(NA),y=factor(NA))[rep(NA,1000),]
trick.
With best regards,
David.
Dr David Philip Kreil
On Tue, 9 Dec 2003 [EMAIL PROTECTED] wrote:
I would also like some clarification about R memory management. Like Doug,
I didn't find anything about consecutive calls to gc() to free more memory.
It was a statement about Windows, and about freeing memory *to Windows*.
Douglas Grove apparently
[snipped] Or maybe some good links
about memory and
garbage collection.
As is mentioned time-to-time on this list when the above subject comes up,
Windows memory is a complicated topic. One open-source utility I have found
helpful to monitor memory when I work under XP is called RAMpage,
I am drawing several contour plots in one page. I use image, and get
several contours. But I don't know how to control the color in more than one
plots. For example, same color corresponds to different dependent values
in different plots. For example, yellow means z=100(the highest value)
in
I am drawing several contour plots in one page. I use image, and get
several contours. But I don't know how to control the color in more than one
plots. For example, same color corresponds to different dependent values
in different plots. For example, yellow means z=100(the highest value)
in
Hello,
I need a bit of handholding with R, specifically, with writing
packages for it. I'm a systems programmer, and am, on the request
of several users of our software, working on generating R interfaces.
For starters, I've written the following R function (which compiles):
SEXP myincr(SEXP
Thanks for the reply. So are you saying that multiple calls to gc() frees
up memory to Windows and then other processes can use that newly freed
memory? So multiple calls to gc() does not actually make more memory
available to new R objects that I might create. The reason I ask is because
I
In a C++ extension to R (v 1.8.1), I've been experimenting with a
generic push back function to tack one value at a time onto the end
of an R vector created within the extension. After calling this
function a certain number of times Rgui.exe (I'm writing in Windows
using Visual Studio .NET 2003)
Hi!
I'm no guru in R. But I can think of 2 ways (have to
be tried):
1) As Uwe Ligges said: just save return the stored
variable a-preprocess(xdata) and return it (if you
want to return more than 1 item use list) and give
this variable to the next function. Example:
func1-function(x)
{
y-x^2
#
Help for pls says:
?pls
[...]
Arguments:
...
ncomp: the numbers of latent variables to be assessed in the
modelling. Default is from one to the rank of 'X'.
[...]
so my assumption was (maybe wrong) that idea of ncomp parameter is to
limit
number of assessed variables.
also, if
I got farther this time, but it wasn't enough though...
does anyone know what this errors are?
Thanks!
Hector
E:\to_doRcmd INSTALL e:/to_do/RSPython.tar.gz
-- Making package RSPython
**
WARNING: this package has a configure
On Tue, 9 Dec 2003 [EMAIL PROTECTED] wrote:
Thanks for the reply. So are you saying that multiple calls to gc() frees
up memory to Windows and then other processes can use that newly freed
memory?
No. You typically can't free memory back to Windows (or many other OSes).
So
On Tue, 9 Dec 2003 [EMAIL PROTECTED] wrote:
Thanks for the reply. So are you saying that multiple calls to gc() frees
up memory to Windows and then other processes can use that newly freed
memory? So multiple calls to gc() does not actually make more memory
That is what I said. Why do
On Tue, 9 Dec 2003, Thomas Lumley wrote:
On Tue, 9 Dec 2003 [EMAIL PROTECTED] wrote:
Thanks for the reply. So are you saying that multiple calls to gc() frees
up memory to Windows and then other processes can use that newly freed
memory?
No. You typically can't free memory back to
I believe RSPython is from Omegahat, so why not ask on the mailing list
for Omegahat?
On Tue, 9 Dec 2003, Héctor Villafuerte D. wrote:
I got farther this time, but it wasn't enough though...
does anyone know what this errors are?
--
Brian D. Ripley, [EMAIL PROTECTED]
Hello R-user,
sorry for this very off-topic question.
But I shall present R to my dept. (pro's and con's and what it can do).
The pro's and con's are easy but not what R can do (additional to the normal
statistics).
I looked through the packages, but the enormous amount of packages makes it
Definitely take a look at WiSP.
http://www.ruwpa.st-and.ac.uk/estimating.abundance/WiSP/
Mark
==
Mark Herzog
Post Doctoral Researcher
Dept. of Natural Resources and Environmental Science
University of Nevada Reno
Reno, NV 89512
(775) 784-6984 (office)
Hi,
I already sent this query but I didn't receive any answers.
I try another time and try to explain another way my question...
I want to decrease the height of my bands in my histogram by a factor of
5... how can I do that? Is there an argument to hist() that do the job?
Thanks,
Mathieu
Hi,
I
Hi all;
I'm working with the library SuppDists trying to fit a Johnson's Sb
distribution to a dataset. It works fine, but I need to set one of the
location parameters (epsilon) to zero. How can I do this using the
function JohnsonFit() or any other similar? ...and Is it possible to
define the
Mathieu -
That's easy. Assign the return value of hist() to some
variable, say fixed, then go in and hack the value of
fixed$counts however you like, and re-plot using plot(fixed).
Example code:
fixed - hist(rnorm(2000))
fixed$counts - fixed$counts / 5
plot(fixed)
I confess I didn't quite
I'm not sure exactly what you want to do but it seems you are going
about it in an overly complicated way. If you are going to build a
package you just need to put a NAMESPACE file at the top level and
include a useDynLib specification or write a short R function called
.First.Lib that calls
Hi all,
I've created a custom lattice panel function for levelplot - instead of
representing z by colour, it plot circles with radius proportional to z
(in the style of the map plots of Jacques Bertin). I'm happy to email
an example graph to anyone interested.
The problem is now to create a
Sorry for the off-topic question, but I know there are some talented
LaTeX users out there. Which bibliography style gives only the year in
text citations (e.g for further details, see Anderson (1992) )?
Thanks
Jason
--
Indigo Industrial Controls Ltd.
http://www.indigoindustrial.co.nz
On Tuesday 09 December 2003 16:37, Hadley Wickham wrote:
Hi all,
I've created a custom lattice panel function for levelplot - instead of
representing z by colour, it plot circles with radius proportional to z
(in the style of the map plots of Jacques Bertin). I'm happy to email
an example
Hello!
When I simulate variance at only a single level in a nested analysis
using lme (all levels are random effects), the results confuse me.
Instead of lme reporting high variance in only that simulated level,
substantial variance (10% of simulated level) often appears in other
levels -- in
# Why does expressing one function
require(ctest)
t.test
# return only
function (x, ...)
UseMethod(t.test)
environment: namespace:ctest
# but expressing another function
shapiro.test
# returns more complete code?
function (x)
{
DNAME - deparse(substitute(x))
x -
On Tue, 9 Dec 2003, Remington, Richard wrote:
# Why does expressing one function
require(ctest)
t.test
# return only
function (x, ...)
UseMethod(t.test)
environment: namespace:ctest
# but expressing another function
shapiro.test
# returns more complete code?
[...]
False
Remington, Richard wrote:
# Why does expressing one function
require(ctest)
t.test
# return only
function (x, ...)
UseMethod(t.test)
environment: namespace:ctest
# but expressing another function
shapiro.test
# returns more complete code?
function (x)
{
DNAME - deparse(substitute(x))
Jason,
For many bibliography styles, the command \citeyear{key} will work. If this
doesn't work for the style you are using, you can investigate style-specific
methods or consider other styles. I find that natbib is good for
author-year formats.
If you use Latex more than on occasion, a good
Perhaps what should be added to the previous answers is
that you can find out where the real work is done like
this:
require(ctest)
t.test
methods(t.test)
ctest:::t.test.default
ctest:::t.test.formula
If the class of the first argument to t.test is formula
then t.test.formula gets invoked so
dear all-
If I have a vector of numbers (not necessarily
normally distributed) how can I get the p-value of a
number in this distribution. I am interested in the
inverse of 'quantile' .
thank you-
Maya
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