Hi, erveryone,
I show much thanks to Andy and Matthew on former questions. I now sample
only a small segment of a image can segment the image into several classes
by RandomForest successfully. Now I have some confusion on it:
1. What is the internal component classifier in RandomForest? Are
Hello,
is there a package which allows to fit a spatial regression model for
any k-dimensional data?
The spatial regression model is composed of three components:
y=mu+Z+epsilon,
where mu is a low order polynomial, Z is a realization of a second-order
stochastic process with covariance
On Wed, 7 Jan 2004, Nadine Henkenjohann wrote:
Hello,
is there a package which allows to fit a spatial regression model for
any k-dimensional data?
This site:
http://sal.agecon.uiuc.edu/csiss/Rgeo/index.html
tries to provide some guidance about the availability of packages for
analysis
Dear All,
I would like to ask if there is any package that would calculate Malecot
migration matrix (or the Imaizumi or Pena implementations of the MMM). I
did a site-wide search, and went trough the table of contents of a
number of packages that seemed promising, but with no luck.
Regards,
Dear R-list,
I wish a very happy new year and send you a little question: I have
different variables which names are m1, m2, m4, .., m10, ... and want to
obtain for example mean of each of them without typing each mean(m1),
mean(m2), What is the solution for decomposing names in mXX?
With
Dear all,
I have data from 1970 to 1990 for people above age 50.
Now I want to calculate survival curves by age starting at age 50 using the
Kaplan Meier Estimator.
The problem I have is that there are already people in 1970 who are older
than 50 years.
I guess this is called delayed entry or
On Wed, 7 Jan 2004, SAULEAU Erik-André wrote:
Dear R-list,
I wish a very happy new year and send you a little question: I have
different variables which names are m1, m2, m4, .., m10, ... and want to
obtain for example mean of each of them without typing each mean(m1),
mean(m2), What
On Wed, Jan 07, 2004 at 12:57:46PM +0100, Rau, Roland wrote:
Dear all,
I have data from 1970 to 1990 for people above age 50.
Now I want to calculate survival curves by age starting at age 50 using the
Kaplan Meier Estimator.
The problem I have is that there are already people in 1970 who
Duncan == Duncan Murdoch [EMAIL PROTECTED]
on Tue, 06 Jan 2004 14:43:22 -0500 writes:
Duncan On Tue, 6 Jan 2004 14:03:47 -0500, Daniel Sumers
Duncan Myers [EMAIL PROTECTED] wrote :
..
Duncan P.S. You can't send attachments to the mailing list,
yes, you can, if you
Fucang,
Questions like these that are specific to one package are best addressed
directly to the package maintainer(s) first (me in this case), as the
discussion is unlikely to be of general interest to the whole list.
1. The contituent classifier in randomForest uses the CART algorithm
Dear R-listers,
I have a dataset where I'm studying differences between a treatment group
and a control group for an intervention in a certain point of time for two
responses simoultaneously, so I looked for a manova approach first.
According to R help, manova does not support the inclusion of an
Hello again
I've looked through ?rpart, Atkinson Therneau (1997), Chap 10 of
Venables and Ripley, Breman et al., and the r hgelp archives but
haven't seen the answer to these two questions
1) How does rpart deal with asymmetric loss matrices? Breiman et al.
suggest some possibilities, but, of
Ladies and Gentlemen,
As Johan Lindberg points out, the documentation for handling dendrograms
is sparseDoes anyone know who is responsible for or working on
development of tree methods and objects? I've written a couple of scripts
for my own use to translate between parenthetical
On Tue, 6 Jan 2004 23:44:42 -0700 (MST),
Kieran Healy (KH) wrote:
Hi -
I'm running R 1.8.1 (compiled from source) on Mac OS X 10.3 (Panther). I
find that, if Apple's X11 application is not running, Sweave gives an
error when it wants to create a pdf or eps figure. E.g., in the
Hello,
I am installing R on a Sun Solaris 64-bit machine. I followed the
instructions in the R Installation and Administration guide. I am amazed
at how much is going on during the installation process and I congratulate
the people who have put all this together for the ones amongst us who
On Wed, 7 Jan 2004, Rau, Roland wrote:
Dear all,
I have data from 1970 to 1990 for people above age 50.
Now I want to calculate survival curves by age starting at age 50 using the
Kaplan Meier Estimator.
The problem I have is that there are already people in 1970 who are older
than 50
You probably don't have LaTeX installed, which is why you cannot build
the PDF manuals. It has nothing to do with Acrobat or Emacs. I believe
the checks in internet.R can be ignored (as the output says). Does the
R installation run?
-roger
[EMAIL PROTECTED] wrote:
Hello,
I am installing R
On Wed, 7 Jan 2004 [EMAIL PROTECTED] wrote:
open. I don't know too much about MacOS X, but having the DISPLAY
variable set without having an X11 server surely means asking for
trouble on Linux, and I guess MacOS X is not different ...
Yes, except there is no excuse for doing this under Linux
Hi all,
Is it possible to draw line segments in a 3d space plot?
I'm interested to draw the errors from an observed value to the
regression plane, for a textbook example in an Intro Stats handbook for
multiple regression.
I used the scatterplot3d package to draw the regression plane.
Dear all
I am using two computers, one with Windows2000 and the other one with W98
both have the same version (precompiled binary) R 1.8.1 and I have experienced a
slight problem with text used in plotting on W98 machine.
When I try to write some local characters into R console
(not sure if
On Wed, 7 Jan 2004 08:30:04 -0800 (PST),
Thomas Lumley (TL) wrote:
On Wed, 7 Jan 2004 [EMAIL PROTECTED] wrote:
open. I don't know too much about MacOS X, but having the DISPLAY
variable set without having an X11 server surely means asking for
trouble on Linux, and I guess MacOS X is
On Wed, 7 Jan 2004 [EMAIL PROTECTED] wrote:
Hello,
I am installing R on a Sun Solaris 64-bit machine. I followed the
instructions in the R Installation and Administration guide. I am amazed
at how much is going on during the installation process and I congratulate
the people who have put
DeaR useRs:
I would like to assign a values in an object using a loop 'for'.
This is a reduce example of my problem, my real problem is a few
complicated:
for (j in 1:10) {
x.j-rnorm(100)
}
I want to create 10 objects as x.1, x.2, ... , x.9, x.10 with values in
it.
I used the assign
Have you looked at the documentation on persp, especially the function
trans3d in the examples? Also, have you tried www.r-project.org -
search - R site search, searching for what you want? This persp -
trans3d was mentioned in another recent discussion on this list.
hope this helps.
Perez Martin, Agustin wrote:
DeaR useRs:
I would like to assign a values in an object using a loop 'for'.
This is a reduce example of my problem, my real problem is a few
complicated:
for (j in 1:10) {
x.j-rnorm(100)
}
I want to create 10 objects as x.1, x.2, ... , x.9, x.10 with values
What happens if you
1) source() a file containing those characters.
2) Use Rterm?
3) Change the fonts both for the console and for graphics. Is this the
same for all fonts?
It sounds as if at least part of the problem is the character map that
Rgui is using on your W98 machine.
BTW, I don't
Hi
is it possible for you to use one object (data frame) and assign
along its collumns?
x-rep(0,10)
x-cbind(x,x,x,x,x,x)
x
x x x x x x
[1,] 0 0 0 0 0 0
[2,] 0 0 0 0 0 0
[3,] 0 0 0 0 0 0
[4,] 0 0 0 0 0 0
[5,] 0 0 0 0 0 0
[6,] 0 0 0 0 0 0
[7,] 0 0 0 0 0 0
[8,] 0 0 0 0 0 0
[9,] 0
This is one way:
for (j in 1:10) {
assign(paste(x, j, sep=.), rnorm(100))
}
BTW, there have been many similar posts like this in the past. They are
easily found using the search function at
http://cran.r-project.org/search.html
HTH, Andy
__
[EMAIL
On Wed, 7 Jan 2004, Perez Martin, Agustin wrote:
DeaR useRs:
I would like to assign a values in an object using a loop 'for'.
This is a reduce example of my problem, my real problem is a few
complicated:
for (j in 1:10) {
x.j-rnorm(100)
}
I want to create 10 objects as x.1,
Use assign().
varnames - paste(x, 1:10, sep = .)
for(j in 1:10) {
assign(varnames[j], rnorm(10))
}
-roger
Perez Martin, Agustin wrote:
DeaR useRs:
I would like to assign a values in an object using a loop 'for'.
This is a reduce example of my problem, my real problem is a few
Dear List,
As I understand, GLMM (in experimental lme4) and glmmPQL (MASS) do
similar things using somewhat different methods. Trying both,
I get the same coefficients, but markedly different std. errors and
p-values.
Any help in understanding the models tested by both procedures?
Dieter Menne
On Wed, 7 Jan 2004 [EMAIL PROTECTED] wrote:
I see, could in this case R for the Mac be smarter about what the
default graphics device should be? This is not an Sweave issue, it
simply means that under the setup described above any call to plot()
---without actively opening a device
I see. Unsetting the DISPLAY variable
% unset DISPLAY
solves the problem at the terminal.
Kieran
On 1/8/04 2:52 AM, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
On Tue, 6 Jan 2004 23:44:42 -0700 (MST),
Kieran Healy (KH) wrote:
Hi -
I'm running R 1.8.1 (compiled from source) on Mac OS X
Short course: Statistical Learning and Data Mining
Trevor Hastie and Robert Tibshirani, Stanford University
Sheraton Hotel
Palo Alto, CA
Feb 26-27, 2004
This two-day course gives a detailed overview of statistical models
for data mining, inference and prediction. With the rapid
Hello everyone-
I have a 3-d array with the 1st dimension being monthly mean data that
I would like to correlate with some time series index, for example, and
save the coefficients in an array.
The code I am currently running is
rData - array(0,c(73,144)) # array to store results
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