Hi All,
I am trying to write a c function to optimize loop processing.
Having read the R extension and trying out a few samples I was pretty
comfortable with the basics.
However, I am wondering if there is anyway to call tseries
functions like adf.test or po.test from within c
Brandon Vaughn wrote:
Hi,
I am new to R (I have most of my experience in SAS and SPSS). I was
wondering if anyone has used both Resampling Stats and R, and could comment
on strengths/relationships.
Hmmm. 8 years ago I had to use Resampling Stats. I don't know what
Resampling Stats is today,
Patrick Giraudoux wrote:
Hi all,
I am trying to install add-on in R (rw1070) to work with WinEdit.
R-WinEdt is a plug-in for WinEdt, not for WinEdit (the i does
matter!)- For the following discussion, let's assume you mean WinEdt.
Libraries Swinregistry and Rwinedt have been installed via
You are using mismatched versions of R and the packages, as the warnings
say. Please update your version of R.
On Tue, 16 Dec 2003, Patrick Giraudoux wrote:
Hi all,
I am trying to install add-on in R (rw1070) to work with WinEdit. Libraries
Swinregistry and Rwinedt have been installed via
On Tue, 16 Dec 2003, Manoj - Hachibushu Capital wrote:
Hi All,
I am trying to write a c function to optimize loop processing.
Having read the R extension and trying out a few samples I was pretty
comfortable with the basics.
However, I am wondering if there is anyway to call
Did it and it works now perfectly well. Apologises to have disturbed
everybody for a so trivial issue.
Many thanks for the hints all,
Patrick
- Original Message -
From: Prof Brian D Ripley [EMAIL PROTECTED]
To: Patrick Giraudoux [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Tuesday,
wolski wrote (using a mail client that doesn't wrap lines):
...
Cannot handle Rd file names containing ''.
These are not legal file names on all R platforms.
Please rename the following files and try again:
man/[[-.caliblist.Rd
man/[-.massvectorlist.Rd
man/[[-.massvectorlist.Rd
Ok. It does
dear all,
Given a matrix A, say, I would like to apply a bivariate function to each
combination of its colums. That is if
myfun-function(x,y)cor(x,y) #computes simple correlation of two vectors x
and y
then the results should be something similar to cor(A).
I tried with mapply, outer,...but
Dear R-user,
I already received quite a lot of replies to this mail and like to do a
preliminary sum up.
A few were sceptical about the use of such a beginner mailing list.
The arguments were that people starting with R will only stay subscribed for
a short time
until they reached the
I think a separate list is redundant.
Many basic questions do get answered.
My impression is that *who* is asking, determines the response.
A poli-sci student asking the same question as a more (presumably)
technically resourceful, say CS person, is more likely to get a
helpful response, vs
Hallo!
Does anybody know how to do a forward stepwise
LOGISTIC regression?
(I found lrm(), fastbw() and validate() in the Design
package concerning backward logistic regression - but
no forward)
Thanks!
Karl
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On Tue, 16 Dec 2003, Vito Muggeo wrote:
dear all,
Given a matrix A, say, I would like to apply a bivariate function to each
combination of its colums. That is if
myfun-function(x,y)cor(x,y) #computes simple correlation of two vectors x
and y
then the results should be something similar
On Tue, 16 Dec 2003, Karl Knoblick wrote:
Does anybody know how to do a forward stepwise
LOGISTIC regression?
(I found lrm(), fastbw() and validate() in the Design
package concerning backward logistic regression - but
no forward)
Try using R itself: glm + step.
help.search(logistic)
Vito Muggeo wrote:
dear all,
Given a matrix A, say, I would like to apply a bivariate function to each
combination of its colums. That is if
myfun-function(x,y)cor(x,y) #computes simple correlation of two vectors x
and y
then the results should be something similar to cor(A).
I tried with
Martin Wegmann wrote:
Dear R-user,
I already received quite a lot of replies to this mail and like to do a
preliminary sum up.
A few were sceptical about the use of such a beginner mailing list.
The arguments were that people starting with R will only stay subscribed for
a short time
Following up the several unanswered requests for a sphericity or
circularity test in the archives, those who wish to test should feel
free to use the following function. If anyone notices errors please
correct. The returned value is an epsilon one can use to correct
degrees of freedom. It
Pascal A. Niklaus [EMAIL PROTECTED] writes:
- In my experience even *very* basic questions *relating to the R
language* do get answered on r-help. I'm impressed by how much time
some members of the R core team spend answering relatively basic
questions, and by how elaborate their answers
On 12/16/03 16:09, Pascal A. Niklaus wrote:
- In my experience even *very* basic questions *relating to the R
language* do get answered on r-help. I'm impressed by how much time some
members of the R core team spend answering relatively basic questions,
and by how elaborate their answers generally
I agree with Tony's observation that well thought out questions
are more likely to receive an answer than something that is long,
rambling, and poorly focused. Many questions take more time to read
than I have available, so I don't bother. I like questions that include
toy examples in a
The following:
- uses apply to turn the input matrix, x, into a vector of lists,
each of which represents one column
- this vector of lists is replicated two different ways and
- mapply is used on the replicated structures.
- finally, reform the result into a matrix
This solution has the
If the archives were placed on www.r-project.org then googling for
whatever site:r-project.org
would find anything in them along with anything already on the
site.
---
Date: Tue, 16 Dec 2003 10:31:32 -0500
From: Jonathan Baron [EMAIL PROTECTED]
To: Pascal A. Niklaus [EMAIL PROTECTED]
Hello
I´m a student from Spain. I couldn´t find something about R and I was asking
if someone could tell me which generator of random numbers use rnorm and
runif. I think I have discovered that in runif they use the inversion
method, but I don´t find any clue where they use the Super-duper
Have you looked at ?set.seed? This provides some detail in R 1.8.1
for Windows.
hope this helps.
spencer graves
p.d. No hay que desculparse por su inglés. Está claro.
Silvia Perez Martin wrote:
Hello
I´m a student from Spain. I couldn´t find something about R and I was
asking if
Dear List:
I am trying to figure out how to incorporate measurement error in an longitudinal
educational data set using lme to create a true score model. As a by-product of the
procedures used to scale educational tests, one can obtain a person-specific
measurement error associated with each
Take a look at the help for RNGkind as follows:
?RNGkind
Ravi.
- Original Message -
From: Silvia Perez Martin [EMAIL PROTECTED]
Date: Tuesday, December 16, 2003 12:45 pm
Subject: [R] Random Numbers
Hello
Im a student from Spain. I couldnt find something about R and I
was asking
Hola, he visto que no has tenido mucho exito con tu consulta.
Esta ayuda es principalmente en ingles, esta puede ser una de las razones.
Otras es que has sido muy poco conciso/a con tu pregunta.
De que tienes dudas exactamente, has leido la documentacion del paquete y de
R. Si lo has hecho, pon un
On Tue, 16 Dec 2003, Silvia Perez Martin wrote:
Hello
I´m a student from Spain. I couldn´t find something about R and I was asking
if someone could tell me which generator of random numbers use rnorm and
runif. I think I have discovered that in runif they use the inversion
method, but I
Thanks a lot to everybody. Two more questions, if you
don't mind :
How anova() treats non-categorical variables, such as
severity in my case ? I was under impression that
ANOVA is defined for categorical variables only.
I read about drop1() and I understand that it performs
F-test for nested
posting the question in r-help@ to get more feedback :-)
thanks,
Yun-Fang
- Original Message -
From: Yun-Fang Juan [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, December 16, 2003 2:04 PM
Subject: [S] plot stacked bar chart in R
Hi,
I am trying to plot a stacked bar chart in
See ?barplot and pay attention to the 'height' and 'beside' arguments.
They produce very nice stacked plots.
Some of the examples using the VA deaths dataset displays stacked plots.
HTH, Andy
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Did you look at ?barplot?
# x is a data.frame from below
x2 - do.call(rbind, split(x$Count, x$CAT1))
dimnames(x2)[[2]] - letters[1:3]
barplot(x2, legend = TRUE)
Sundar
Yun-Fang Juan wrote:
posting the question in r-help@ to get more feedback :-)
thanks,
Yun-Fang
- Original Message -
I am fitting a cox PH model w/ 2 predictors, x1 = 0/1 treatment variable
and x2=continuous variable. I am using natural splines (ns) to model
the effect of x2.
I would like to examine the estimated effect of x2 on the hazard. I
have tried various approaches (below; let model.fit= fitted model
Hello,
I agree completely that well thought out questions are important to receive
good and quick replies and I agree as well that the replies on the R-help
list are very good and helpful.
But I had to learn and I am still learing how to write good questions and
appreciate Spencer's
I just noticed an error in my posting below.
The origin in get.hist.quote is relative to day=30, not day=31.
---
Date: Sat, 6 Dec 2003 14:06:49 -0500 (EST)
From: Gabor Grothendieck [EMAIL PROTECTED]
To: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: RE: [R] Axe time of series in format
At 01:52 PM 12/16/2003 -0800, Alexander Sirotkin \[at Yahoo\] wrote:
Thanks a lot to everybody. Two more questions, if you
don't mind :
How anova() treats non-categorical variables, such as
severity in my case ? I was under impression that
ANOVA is defined for categorical variables only.
The term
Hi all,
I didn't get a response to my post of this issue a week ago, so I've
tried to clarify:
When I use lme to analyze a model of nested random effects, the variance
estimates of levels higher in the hierarchy appear to have much more
variance than they should.
In the example below with 4
A very good introductory text is Data Analysis by Resampling: Concepts
and Applications by Clifford Lunneborg.
My search on Amazon fails to locate the book Brandon mentions,
Resampling: The New Statistics. Is there more information on Author,
ISBN, etc.?
You may wish to look at appendix 8,
Dear useRs,
I need of jacobian of a tranformation, R have this function?
thanks.
Savano
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https://www.stat.math.ethz.ch/mailman/listinfo/r-help
My experience in several mailing lists and newsgroups has been that
help from other beginners very often deserves the scare quotes.
The advice is often extremely bad.
The situation for R is quite different: R has the best documentation I've
ever seen for any open-source package, and it's better
My personal view on this is that there is need for a friendly
list with a more customer service attitude than r-help.
r-help is really very useful but its also intimidating
and I bet lots of people have questions that they never ask
for fear of the response. Maybe some of them even decide
not
Depending on what it is, you might be able to
construct it using deriv. Try
?deriv
---
Date: 17 Dec 2003 00:49:17 -0200
From: Savano S. Pereira [EMAIL PROTECTED]
To: Lista R [EMAIL PROTECTED]
Subject: [R] Jacobian Matrix
Dear useRs,
I need of jacobian of a tranformation, R have this
There are always people on lists whose email manner leaves
a great deal to be desired. I tend to think, however, that
it's a small price to pay for excellent, free software and
fast, expert advice. Anyway, there's no guarantee that a
beginner's list would be any more friendly than the main
list,
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