If you mean this paper by Fahrmeir:
http://biomet.oxfordjournals.org/cgi/content/abstract/81/2/317 I would
recommend BayesX: http://www.stat.uni-muenchen.de/~bayesx/.
BayesX interfaces with R and estimates discrete (and continuous) time survival
data with penalized regression methods.
If
I am doing some timing experiments. To test looping performance, I
used the Sys.sleep function. I noticed something in the docs that is
just a little misleading:
The resolution of the time
interval is system-dependent, but will normally be down to 0.02
secs or better. (On modern
Dear useRs:
I try to use mob from the party package (thanks Achim and Co.!) to model
based recursive partition a data set. The model is a logistic regression
specified with model=glinearModel and family=binomial(). Running mob
results in a few warnings of the type: In glm.fit ... algorithm did
Greetings,
The following question has come up in an off-list discussion.
Is it possible to construct a regular expression 'rex' out of
two given regular expressions 'rex1' and 'rex2', such that a
character string X matches 'rex' if and only if X matches 'rex1'
AND X does not match 'rex2'?
The
Dear all,
I am trying to run a meta analysis of psycholinguistic reaction-time
experiments with the meta package. The problem is that most of the studies have
a within-subject designs and use repeated measures ANOVAs to analyze their
data. So at present it seems that there are three
Hello Gabor, Matt, Dirk.
Thank you all for clarifying the situation.
So if I understand correctly then:
1) Changing the BLAST would require specific BLAST per computer
configuration (OS/chipset).
2) The advantage would be available only when doing _lots_ of linear
algebra
So I am left
Hi,
Well Thanks for letting me know that pch is of no use with segments petr. I
am using lend as it suits to me more as gregory suggested , but I am not
getting imite??? think I try to fix it with some other method also, as I
have to deal more with the symbols in this case, But I want to the
Hello,
I'm trying to calculate non-parametric probabilities using the np package
and having some difficulties.
OS is Windows, R version 2.11.1
Here is what I've done so far.
library(np)
veg - data.frame(factor(Physiogomy), meanAnnualDepthAve, TP)
attach(veg) : for clarification dim(veg)
I think you have missed grepl(), e.g.
X[grepl(rex1, X) !grepl(rex2, X)]
grepl is a fairly recent addition (2.9.0) that is used extensively in
R's own text-processing operations (e.g. help files, utilities such as
'R CMD check').
On Sat, 12 Jun 2010, ted.hard...@manchester.ac.uk wrote:
Thanks, Brian. I had indeed overlooked grepl() (too busy delving
into the syntax summary)! That is certainly a useful shortcut of
the construction I had used.
Your Not in general implies that using grep() twice (in this example;
more times in more complex combinations) is inevitable -- which of
Thanks Christos.
BayesX was strongly recommended also by Fahrmeir and other people of
that field. So it is clearly where I need to look at!
Christophe
iPhone.fan
Le 12 juin 2010 Ã 04:46, Christos Argyropoulos argch...@hotmail.com
a écrit :
If you mean this paper by Fahrmeir:
R 2.10.1 is used in the Sage maths project. Several recommended packages
(Matrix, class, mgcv, nnet, rpart, spatial, and survival) are failing to build
on Solaris 10 (SPARC).
We would like to be able to get a list of the recommended packages for R 2.10.1,
but ideally via a call to R, so it is
On Sat, Jun 12, 2010 at 6:18 AM, Tal Galili tal.gal...@gmail.com wrote:
Hello Gabor, Matt, Dirk.
Thank you all for clarifying the situation.
So if I understand correctly then:
1) Changing the BLAST would require specific BLAST per computer
configuration (OS/chipset).
It's BLAS (Basic
Hello dear R-help mailing list,
A friend of mine teaches a regression and experimental design course and
asked me the following question.
She is trying to find a way to display the homogeneous groups (after
performing tukey test on an aov object).
here's an example for what she means by
Greetings
How do I do this in R? Checking the Cran site produces a bewildering array
of packages that I can't seem to find to load. Surely the main program has
this function?
Cheers
Kurt
***
Kurt Lewis Helf, Ph.D.
Invertebrate
Dear Gerrit,
the most appropriate approach for data of this type would be a proper
multivariate meta-analytic model (along the lines of Kalaian Raudenbush,
1996). Since you do not know the correlations of the reaction time measurements
across conditions for the within-subject designs, a
On Sat, Jun 12, 2010 at 5:38 AM, Ted Harding
ted.hard...@manchester.ac.uk wrote:
Greetings,
The following question has come up in an off-list discussion.
Is it possible to construct a regular expression 'rex' out of
two given regular expressions 'rex1' and 'rex2', such that a
character string
Hello Douglas,
Thank you for the BLAST!=BLAS correction (I imagine my slip was due to some
working I have done recently with an RNA analysis software called BLAST).
Also, thank you for the very interesting posting here and in your reply to
David's post.
My current conclusion from this thread
Hello David,
I am not sure I understood your question.
Are you asking what are the packages that the R release comes with?
Or are you asking what recommended packages one should have when installing
R? (There is a good list to start with
Try multcompView
Hadley
On Sat, Jun 12, 2010 at 8:42 AM, Tal Galili tal.gal...@gmail.com wrote:
Hello dear R-help mailing list,
A friend of mine teaches a regression and experimental design course and
asked me the following question.
She is trying to find a way to display the homogeneous
Hello,
I tried to post this earlier, but it seems that it did not appear on the
list. If you've rec'd 2 m
I'm trying to calculate non-parametric probabilities using the np package
and having some difficulties.
OS is Windows, R version 2.11.1
Here is what I've done so far.
library(np)
veg -
Thank you very much Hadley, exactly what I was looking for.
Tal
Contact
Details:---
Contact me: tal.gal...@gmail.com | 972-52-7275845
Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
www.r-statistics.com
Thanks Erik for you reply. You have pointed correctly I want to remove the
space at the 1st place (if any). In the mean time I have looked into the
function sub() and there seems to be one example that mimics my problem :
str - ' Now is the time ' sub('[[:space:]]+$', '', str)[1] Now
Thanks, Gabor, for the initiation to perly regexps! I've only
been used to extended ones till now. A pity, perhaps, that
perl=TRUE is not an option for the likes of browseEnv(),
help.search(), list.files() and ls() (which take extended regexps),
but one can always assign the output and then
On Sat, Jun 12, 2010 at 8:37 AM, Dr. David Kirkby
david.kir...@onetel.net wrote:
R 2.10.1 is used in the Sage maths project. Several recommended packages
(Matrix, class, mgcv, nnet, rpart, spatial, and survival) are failing to
build on Solaris 10 (SPARC).
Have you checked the dependencies for
With BRugsFit() of the current verison of BRugs, the not given inits are
not generated automatically (which may change with the next version).
Hence you need to do it manually as in:
library(BRugs)
modelCheck(test.bug)
modelData(bugsData(Data))
modelCompile(numChains=1)
On 06/12/10 03:31 PM, Tal Galili wrote:
Hello David,
I am not sure I understood your question.
Sorry, perhaps I should have rephrased it better.
Are you asking what are the packages that the R release comes with?
Sort of. When R is configured, there is an option
Hello all,
I was wondering if there is a function in R that only computes the eigenvector
corresponding to the largest/smallest eigenvalue of an arbitrary real matrix.
Thanks
Minh
--
Living on Earth may be expensive, but it includes an annual free trip
around the Sun.
Thanks Gabor - I was able to use that for my purposes.
On 11 June 2010 16:27, Bert Gunter gunter.ber...@gene.com wrote:
So two time series? Fair enough. But less is more. Plot them as separates
series of points connected by lines, different colors for the two different
series. Or as two
I must be missing something; can't you just use, e.g., one of:
sort(round(runif(10), 3))
sort(sample(1000, 10, TRUE)/1000)
?
-Peter Ehlers
On 2010-06-12 7:49, kurt_h...@nps.gov wrote:
Greetings
How do I do this in R? Checking the Cran site produces a bewildering array
of packages that
This is probably what you want:
sub(^[[:space:]]*, , Now is the time)
[1] Now is the time
You need to anchor it at the beginning with '^'
On Sat, Jun 12, 2010 at 10:29 AM, Megh Dal megh700...@yahoo.com wrote:
Thanks Erik for you reply. You have pointed correctly I want to remove the
On Sat, Jun 12, 2010 at 3:16 PM, Tal Galili tal.gal...@gmail.com wrote:
Hello Douglas,
Thank you for the BLAST!=BLAS correction (I imagine my slip was due to some
working I have done recently with an RNA analysis software called BLAST).
Also, thank you for the very interesting posting here
I am a graduate student working on disaggregation rainfall using Bartlett Lewis
model but i have a problem on how can I make a program to estimate the model
parameters and using it for the simulation. who can help of those people who
are famous in R.
thanks for all in advance
Thanks Jim for this reply. This is the way what I was looking for. However
would you please explain me the meaning of ^[[:space:]]* or '[[:space:]]+$'?
When should I use ^ or * or +$?
Thanks for your time.
--- On Sat, 6/12/10, jim holtman jholt...@gmail.com wrote:
From: jim holtman
Dave,
I used daisy with the default settings (daisy(M) where M is the matrix).
Henrik
On 11 June 2010 21:57, Dave Roberts dvr...@ecology.msu.montana.edu wrote:
Henrik,
The clustering algorithms you refer to (and almost all others) expect
the matrix to be symmetric. They do not seek a
I have inputs to a function which are changing all the time - I pull these
values from the internet. I then apply a function to the values. What I'd
like to do is automate the process so it runs every one minute and adds the
output of the function as a new element of a vector. Pseudo code:
at
Henrik,
Given your initial matrix, that should tell you which authors are
similar/dissimilar to which other authors in terms of which authors they
cite. In this case authors 1 and 3 are most similar because they both
cite authors 2 and 4. Authors 2 and 3 are most different because they
Hello everybody,
Whatever I use as the host address of my PostgreSQL database server, I always
get a connection if I'm accessing the database from R on the same machine and
none if I'm trying to do so from a remote client.
PostgreSQL is running on a windows xp machine as the RDBMS, JDBC, R, DBI
^[[:space:]]* indicates that you want to match as many (zero or more)
spaces at the beginning of the string. The '^' anchors the match at the
beginning. [[:space:]]*$ says to match as many (zero or more that is what
* asks for) at the end of the string; $ anchors the search at the end of
the
On Fri, 11 Jun 2010, tudor wrote:
Dear useRs:
I try to use mob from the party package (thanks Achim and Co.!) to model
based recursive partition a data set. The model is a logistic regression
specified with model=glinearModel and family=binomial(). Running mob
results in a few warnings of
On 06/12/10 05:27 PM, Douglas Bates wrote:
On Sat, Jun 12, 2010 at 8:37 AM, Dr. David Kirkby
david.kir...@onetel.net wrote:
R 2.10.1 is used in the Sage maths project. Several recommended packages
(Matrix, class, mgcv, nnet, rpart, spatial, and survival) are failing to
build on Solaris 10
You can use the power method for computing the dominant eigenvector. A more
sophisticated approach (for large matrices) is the Lancsoz algorithm for
Hermitian matrices, which is based on the power method. The `arpack' function
in the igraph package uses the more general Arnoldi iteration,
Hi all,
I want to solve the following equation for x with rho - 0.5
pnorm(-x)*pnorm((rho*dnorm(x)/pnorm(x)-x)/sqrt(1-rho^2))==0.05
Is there a function in R to do this?
Thank you very much!
Hannah
[[alternative HTML version
I'm reading Gellman's book Data Analysis Using Regression and
Multilevel-Hierarchical Models
In Chapter 7 (and later), he makes frequent referent to a function names
sim.
I can't find the function anywhere, not in my standard R install, or in
any of the packages.
Doe anyone have a
Dear Hannah,
If I understand you correctly, you want a solution when rho is 0.5; if so,
f - function(x){
+ pnorm(-x)*pnorm((0.5*dnorm(x)/pnorm(x)-x)/sqrt(1-0.5^2)) - 0.05
+ }
uniroot(f, c(-3, 3))
$root
[1] 0.8031289
$f.root
[1] -1.565857e-06
$iter
[1] 11
$estim.prec
[1] 6.103516e-05
I
I am puzzled by the scope rules that apply with sapply.
If I want to modify a vector with sapply I tried...
N - 10
vec - vector(mode=numeric, length=N)
test - function(i){
vec[i] - i
}
sapply(1:N, test)
vec
but it not work.
How can this be done?
Worik
[[alternative HTML version
Hi,
On Sat, Jun 12, 2010 at 9:22 PM, Worik R wor...@gmail.com wrote:
I am puzzled by the scope rules that apply with sapply.
If I want to modify a vector with sapply I tried...
N - 10
vec - vector(mode=numeric, length=N)
test - function(i){
vec[i] - i
}
sapply(1:N, test)
vec
You
Achim:
Thanks a lot for your suggestions.
Tudor
Date: Sun, 13 Jun 2010 00:26:08 +0200
From: achim.zeil...@uibk.ac.at
To: tudor_bo...@hotmail.com
CC: r-help@r-project.org
Subject: Re: [R] mob (party package) question
On Fri, 11 Jun 2010, tudor wrote:
Dear useRs:
I try
On Sat, Jun 12, 2010 at 9:22 PM, Worik R wor...@gmail.com wrote:
I am puzzled by the scope rules that apply with sapply.
If I want to modify a vector with sapply I tried...
N - 10
vec - vector(mode=numeric, length=N)
test - function(i){
vec[i] - i
}
sapply(1:N, test)
vec
but it not
On 2010-6-12 5:58, Duncan Murdoch wrote:
Jinsong Zhao wrote:
Hi there,
I just installed R 2.11.1 on my PC, which runs a Windows XP Home.
The installation is successful, however, when I double click on the
R icon, I get the following error message:
R for Windows GUI front-end has encountered
Achim - Thank you so much for your suggestions.
Tudor
--
View this message in context:
http://r.789695.n4.nabble.com/mob-party-package-question-tp2252500p2253141.html
Sent from the R help mailing list archive at Nabble.com.
__
R-help@r-project.org
Hello all,
I have been having trouble getting a break in my y-axis. All of my data
points are up around 100-200, but the graph has to start at zero, so i would
like to remove all the white space using a break symbol. I have been able
to get the break and labels to be correct, however, I can't
Hi:
The book has an accompanying R package called arm. Within that package is a
function
named sim, which could be what you're looking for...
HTH,
Dennis
On Sat, Jun 12, 2010 at 6:02 PM, Noah Silverman n...@smartmediacorp.comwrote:
I'm reading Gellman's book Data Analysis Using Regression and
I am wanting to plot a 95% confidence band using segplot, yet I am wanting
to have groups. For example if I have males and females, and then I have
them in different races, I want the racial groups in different panels. I
have this minor code, completely made up but gets at what I am wanting, 4
I was careless.
Here is a better example of what I am trying to. With the '-' you
offered.
?-
That was exactly what I needed, thankyou.
cheers
Worik
N - 10
## x simulate a return series
x - runif(N)-.5
## Build an array of cumulative returns of a portfolio starting with $1 as
it changes
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