Hi
On 26 May 2006 at 1:33, Erin Hodgess wrote:
Date sent: Fri, 26 May 2006 01:33:34 -0500
From: Erin Hodgess <[EMAIL PROTECTED]>
To: r-help@stat.math.ethz.ch
Subject:[R] factors and ops
> Dear R People
>
> I have a variable wh
Hi all,
I have a 2D matrix, which has 100 rows, and 100 columns,
I have a 2D matrix, with 100 rows and 100 columns,
I want to display it using 3D plot, much like plot3d and mesh/surf functions
in matlab.
Specifically, in matlab, I just need to do the following:
[X, Y]=meshgrid([0:0.01
Dear R People
I have a variable which is an ID number that is a factor.
I would like to look for ID numberbs that are greeater than
a particular value.
However, factors are a big ugly for these operations.
I was messing with the HR data set from the SASmixed package.
HR$Patient is a factor lik
On Fri, 2006-05-26 at 11:34 +0800, XinMeng wrote:
> x<- "a;b;c;d"
> How can I get: "a" "b" "c" "d"?
>
> Thanks a lot!
See ?strsplit and ?unlist
> x <- "a;b;c;d"
> strsplit(x, split = ";")
[[1]]
[1] "a" "b" "c" "d"
> unlist(strsplit(x, split = ";"))
[1] "a" "b" "c" "d"
HTH,
Marc Schwartz
x<- "a;b;c;d"
How can I get: "a" "b" "c" "d"?
Thanks a lot!
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On 5/25/06, zhang jian <[EMAIL PROTECTED]> wrote:
> I want to get a series of results by "loop".
> For example, when i = 1, get a data frame "r1"; when i = 2, get a data frame
> "r2" .. And the result inc
I want to get a series of results by "loop".
For example, when i = 1, get a data frame "r1"; when i = 2, get a data frame
"r2" .. And the result include all the data frames.
But I donot know how to get a series of data frames.
Thanks!
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Have you considered some kind of binary time series model?
'RSiteSearch("binary time series")' produced 150 hits. One of the first
20 mentioned "continuous-time hidden Markov chains"
(http://finzi.psych.upenn.edu/R/library/repeated/html/chidden.html). I
don't know if this will help
It all sort of works now. The remaining problem is how to pass "new
line" characters. If you let "\n" in the character field, the table is
not read correctly by MySQL. But this is really minor.
Thanks!
On 5/25/06, Prof Brian Ripley <[EMAIL PROTECTED]> wrote:
> On Thu, 25 May 2006, Eduardo Leoni w
Thanks a lot!
Eryk
On 5/25/06, Sundar Dorai-Raj <[EMAIL PROTECTED]> wrote:
>
>
>
> Witold Wolski wrote:
> > Hi,
> >
> > Don't have a clue what teh following error message
> >
> >
> > generated by this function call:
> > qqmath( ~val|ind,data = xx
> >,distribution = function(p){ qt(p,df=20
hi R-list,
is there any function or package for Cox PLS regression? thanks. With my
best,
Erik-A. Sauleau
**
Afin d'eviter toute propagation de virus informatique, et en complement
des dispositifs en place, ce mess
Antonio, Fabio Di Narzo wrote:
> Hi all.
> On my R-2.3.0, calling:
>
>
>>plot(1:5, rep(1,5), xlim=c(-0.5,7), ylim=c(-0.5,2.8), asp=1)
>
>
> gives to me a plot (tried pdf and X11) whose y axis goes from about -2 to
> about 4.5. What I've missed? How can I show some pre-specified x and y
> ran
On p. 48 of "Statistics Complements" to the 3rd MASS edition,
http://www.stats.ox.ac.uk/pub/MASS3/VR3stat.pdf
I read that the orthogonal rotations of Z Lambda^-1 remain
uncorrelated, where Z is the PC and Lambda is the diag matrix of
singular values.
However, the example below that text is
>
Hi,
Sorrry, I have forgotten to paste the error message:
Here it is:
> qqmath( ~val|ind,data = xx
+,distribution = function(p){ qt(p,df=20)}
+,ylab="Sample Quatinles"
+,xlab="Theoretical Quantiles"
+ # ,aspect=1
+ # ,prepanel = prepanel.qqmathline
+
+,p
Witold Wolski wrote:
> Hi,
>
> Don't have a clue what teh following error message
>
>
> generated by this function call:
> qqmath( ~val|ind,data = xx
>,distribution = function(p){ qt(p,df=20)}
>,ylab="Sample Quatinles"
>,xlab="Theoretical Quantiles"
>
>,panel=f
On 5/25/06, Witold Wolski <[EMAIL PROTECTED]> wrote:
> Hi,
>
> Don't have a clue what teh following error message
What's the error message?
In any case, you seem to have wrong expectations about what
panel.qqmath does, and in particular what arguments it accepts (this
changed a few versions back)
Hi All,
I'd like to compute a kind of reliability index (RI) that would in a
sense stand as a measure of reliability of a statistic (histogram etc)
computed on a time serie with missing values. The final goal is that:
RI=1 for a perfect reliability
RI=0 for a total unreliability (no data at all a
Hi,
Don't have a clue what teh following error message
generated by this function call:
qqmath( ~val|ind,data = xx
,distribution = function(p){ qt(p,df=20)}
,ylab="Sample Quatinles"
,xlab="Theoretical Quantiles"
,panel=function(x,y)
{
panel.qqmathline
Tom,
I'm not sure I understood your question but I'll try to give some direction.
Those lines just plot the wavelet coefficients in a manner adequatelly to
visualize their magnitude in their respective location in time and scale
(frequency).
In this way, those lines are not there because of some
Dear list members,
First of all thank you for your helpful advices.
After your answeres to my firt mail I studied a lot (R-News n°5) and I
tried to perform my analysis:
First, to fit a GLM with a nested design I decided to use the function
"lmer" in package "lme4"
as suggested by Spencer Graves an
Hi all.
On my R-2.3.0, calling:
> plot(1:5, rep(1,5), xlim=c(-0.5,7), ylim=c(-0.5,2.8), asp=1)
gives to me a plot (tried pdf and X11) whose y axis goes from about -2 to
about 4.5. What I've missed? How can I show some pre-specified x and y
ranges from a plot (keeping fixed the aspect ratio)?
Tn
Can someone please help me understand the examples given in the dwt
function of the waveslim library
library(waveslim)
?dwt
I'm having a problem understanding these lines. I assume they are
required because of how the algorythm deals with the signal bounderies.
Am I correct in thinking that for wa
Assuming your data frame is called dat something like
dat[(dat$x-a)^2+(dat$y-b)^2<=k,]
should work I think.
On 5/25/06, zhang jian <[EMAIL PROTECTED]> wrote:
>
> I want to get the data in a circle from a large square plot.
>
> If the data includes only two columns or more columns which is number
I want to get the data in a circle from a large square plot.
If the data includes only two columns or more columns which is number style,
I can do it.
But if the data includes other columns which is not number style (e.g.
species name), I donot know how to do it. And I donot want to delete the
col
Hi Everyone,
I have been trying to read some Arrayvision files( 2 channel cDNA) and
am having some
problem. My code is :
setwd('C:/work/data/limma/ndd1');
files <- c('ndd1_1.txt','ndd1_2.txt','ndd1_3.txt');
RG=read.maimages(files,"arrayvision",sep="\t");
#Normalisation
MA=normalizeWithinAr
Barry Rowlingson wrote:
> Peter Lauren wrote:
>
>>I was wondering what would be the best way to put a
>>vertical line on a graph made with plot(). I can get
>>an horizontal line by plotting a vector where every
>>element has the same value but it is not as clear how
>>a vertical line should be d
This is just the ordinary lag.ts function as described in ?lag.ts .
dyn has no lag function and does not itself understand lags. It
just produces a model frame that has the left and right sides aligned
along time.
One could either regress y ~ lag(y,-1) or regress
lag(y,1) ~ y and get the same coe
Hello. I want to construct a scatterplot matrix in which the above-diagonal
panels represent values from a control group while the below-diagonal values
represent values from a treatment group. I have managed to write primative
panel functions (below) but cannot figure out how to pass arguments t
Moreno,
As much of my processor time is often spent doing basic linear algebra
operations (matrix inversion, quadratic programming, etc), I recently
recompiled R using a BLAS implementation (ATLAS) tuned for parallel
processing. The speed improvement for linear algebra operations was
significant on
Gabor:
Should lags while using dyn be specified using a negative - (e.g.
lag(y,-1) instead of lag(y,1) to indicate one period earlier ? Is this
different from the lag function which seems to use lag(y,1) to denote
one period earlier?
Thanks,
John
-Original Message-
From: Gabor Grothend
Peter,
making wavelet analysis requires one of the packages
that you have to install:
wavethresh, waveslim, wavelets or rtw.
HTH,
Rogerio.
- Original Message -
From: "Peter Lauren" <[EMAIL PROTECTED]>
To:
Sent: Thursday, May 25, 2006 1:23 PM
Subject: [R] Wavelet Functions
> Does R ha
At 21:01 24/05/2006, [EMAIL PROTECTED] wrote:
>Hello,
>
>Although I cannot speak for the original individual posting this
>question but I would like to see an example, if possible, of how to
>construct a factor of several factors.
?interaction (assuming I understand you correctly)
>I think thi
On Thu, 25 May 2006, Michael Prager wrote:
> Dear R List,
>
> I have used ... to pass a varying number of arguments to a function.
> The function takes parts of specialized data objects (they happen to be
> lists) and makes comparative graphs and analyses. The code shell looks
> like this:
>
> mo
Dears,
Using the LDA function of MASS package I can project my data into one
dimension. It returns the coefficients that leads to the dimension of
maximum separation (e.g. model$scaling), so far so good.
Question: how can I get two or four dimensions? That is, instead of
project my data using on
You can mix ... and other arguments. See, for example, anova.glm.
On 5/25/06, Michael Prager <[EMAIL PROTECTED]> wrote:
> Dear R List,
>
> I have used ... to pass a varying number of arguments to a function.
> The function takes parts of specialized data objects (they happen to be
> lists) and mak
Hi Moreno --
snow provides an easy interface to simple parallel types of
calculations (e.g., lapply in parallel). I quickly wanted to have more
direct control over how parallel computations were calculated, and
have been using Rmpi. Though in principle snow and Rmpi are 'easy' to
use, I found that
Dear R List,
I have used ... to pass a varying number of arguments to a function.
The function takes parts of specialized data objects (they happen to be
lists) and makes comparative graphs and analyses. The code shell looks
like this:
models.compare <- function(...) {
## Get the data obj
Tarmo Remmel wrote:
> Dear List,
>
> I have just compiled my first R library for submission to CRAN; however, I
> have a tiny problem with 'R CMD check' that is holding me back. I have read
> extensively the PDF document on Writing R Extensions and the 'Making R
> Packages Under Windows' tutoria
On Thu, 2006-05-25 at 09:26 -0700, Peter Lauren wrote:
> I was wondering what would be the best way to put a
> vertical line on a graph made with plot(). I can get
> an horizontal line by plotting a vector where every
> element has the same value but it is not as clear how
> a vertical line should
Peter Lauren wrote:
> Does R have any wavelet functions? When I type
>
>>help.search("wavelet")
>
> I get
> " No help files found with alias or concept or title
> matching 'wavelet' using fuzzy matching."
>
> Thanks,
> Peter.
>
> __
> R-help@stat.m
On Thu, 2006-05-25 at 09:23 -0700, Peter Lauren wrote:
> Does R have any wavelet functions? When I type
> > help.search("wavelet")
> I get
> " No help files found with alias or concept or title
> matching 'wavelet' using fuzzy matching."
>
> Thanks,
> Peter.
Try instead:
RSiteSearch("wavelet")
Peter Lauren wrote:
> I was wondering what would be the best way to put a
> vertical line on a graph made with plot(). I can get
> an horizontal line by plotting a vector where every
> element has the same value but it is not as clear how
> a vertical line should be done.
>
abline(v=42)
you ca
I was wondering what would be the best way to put a
vertical line on a graph made with plot(). I can get
an horizontal line by plotting a vector where every
element has the same value but it is not as clear how
a vertical line should be done.
Thanks very much,
Peter.
Dear List,
I have just compiled my first R library for submission to CRAN; however, I
have a tiny problem with 'R CMD check' that is holding me back. I have read
extensively the PDF document on Writing R Extensions and the 'Making R
Packages Under Windows' tutorial by P. Rossi. All functions are
Does R have any wavelet functions? When I type
> help.search("wavelet")
I get
" No help files found with alias or concept or title
matching 'wavelet' using fuzzy matching."
Thanks,
Peter.
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Cal Stats wrote:
> Hi All,
>
> when i run
>
> cv.lars(x3,y3)
>
> it runs fine. but when i run
>
> cv.lars(x3,y3,fraction=seq(0,0.1,100))
>
> I get the following error.
>
> Error in apply((y[omit] - fit)^2, 2, mean) : dim(X) must have a positive
> length
>
>
John Fox wrote:
> Dear Emilie,
>
> This is, I guess, the effect() function in the effects package. If so,
> note that the plot.effect() method uses trellis graphics (via the
> lattice package), not standard R graphics, so you have to control
> aspects of the plot in a manner consistent with trel
Hi Ronaldo,
I have no problem with update(). What versions of R, lmer, and Matrix
are you using?
Hanbk
On May 25, 2006, at 8:08 AM, Ronaldo Reis-Jr. wrote:
> Hi,
>
> the question on subject is possible?
>
> example:
>
> m1 <- lmer(y~1+(1|subject))
> m2 <- update(m1,.~.+x)
>
> I try but dont work
Hi,
the question on subject is possible?
example:
m1 <- lmer(y~1+(1|subject))
m2 <- update(m1,.~.+x)
I try but dont work, exist any other method for this?
Thanks
Ronaldo
--
He won a Toyota now, eh?
-- palíndromo
--
|> // | \\ [***]
| ( õ
I do get the same under R 2.3.0, Linuex (Debian 3.0)
Stefano
On Thu, May 25, 2006 at 07:39:17AM -0400, Gabor Grothendieck wrote:
Running under Windows XP I get the same result
on "Version 2.3.0 Patched (2006-05-03 r37977)"
but get NA on "R version 2.2.1, 2005-12-20" so
it must relate to some ch
Fixed in 2.3.1beta. See NEWS.
Peter
Gorjanc Gregor wrote:
> Hello!
>
> I was just caught with the following:
>
>
>>mean(NA)
>
> [1] -2147483648
>
> Is this OK. I thought that I should get NA. I use R 2.3.0
>
> --please do not edit the information below--
>
> Version:
>
> platform = i3
Running under Windows XP I get the same result
on "Version 2.3.0 Patched (2006-05-03 r37977)"
but get NA on "R version 2.2.1, 2005-12-20" so
it must relate to some change in R.
On 5/25/06, Gorjanc Gregor <[EMAIL PROTECTED]> wrote:
> Hello!
>
> I was just caught with the following:
>
> > mean(NA)
Hello!
I was just caught with the following:
> mean(NA)
[1] -2147483648
Is this OK. I thought that I should get NA. I use R 2.3.0
--please do not edit the information below--
Version:
platform = i386-pc-mingw32
arch = i386
os = mingw32
system = i386, mingw32
status =
major = 2
mino
Hello everybody!
I am currently using the quantreg package on R 2.2.1. for my diploma thesis and
want to create plots with plot.summary.rqs, which should work like this:
Usage:
plot.summary.rqs(x, nrow=3, ncol=2, alpha = 0.1, ols = TRUE, ...)
Arguments:
x: an object produced by
Hi all,
I've recently tried to use the perl module Statistics::R-0.02.
I'm using R v2.2.1 and Perl 5.8.7 on WinXP and Linux.
When I use the R GUI or Rterm I have no problem in plotting and saving
all the graphics or data. For example:
/*pdf("file.pdf")
x <- c(1,3,-3,1,233,112,6,9,12)
boxplot(x)
On Thu, 25 May 2006, Apple Ho wrote:
> Dear all,
>
> I am searching some information about simulating Strauss process in 3D
> in internet, but I can't find useful items. And I know that there is
> build-in function in R for simulating Strauss process in 2D. Did anyone
> know how to simulate a S
Dear R users,
I have access to a Sun cluster with multiple processors , a lot of RAM and with
RedHat installed.
I want to take advantage of its power for a R routine very time consuming.
Whick package do I have to use? I know there are snow,snowFT and others
package.Which is the best for my pur
Dear Emilie,
This is, I guess, the effect() function in the effects package. If so,
note that the plot.effect() method uses trellis graphics (via the
lattice package), not standard R graphics, so you have to control
aspects of the plot in a manner consistent with trellis graphics.
Unfortunately,
Andreas Svensson wrote:
> So, how can I constrain the abline to the relevant region, i.e stop
> abline from extrapolating beyond the actual range of data.
> Or should I use a function line 'lines' to do this?
One elegant way of doing this is using 'xyplot' from 'lattice' and adding a
loess line w
Thank you Mark, for this helpful explanation. I noted the class "labelled"
in Hmisc, but did not yet study it well.
My example was just to see if attributes persist, but my main motivation is
to use value labels for numerical variables and factors to solve my
problem of how to represent a metric c
Hi Petr,
I just needed to add an 'attach/detach' to get it going.
A<-data.frame(x=1:10, y=1:10, erx=rnorm(10)^2, ery=rnorm(10)^2)
attach(A)
plot(x,y)
arrows(x,y,x+erx/10,y, angle=90, length=.1)
arrows(x,y,x-erx/10,y, angle=90, length=.1)
arrows(x,y,x,y-ery/10, angle=90, length=.1)
arrows(x,y,x,y+
Dear all,
I am searching some information about simulating Strauss process in 3D in
internet, but I can't find useful items.
And I know that there is build-in function in R for simulating Strauss process
in 2D. Did anyone know how to simulate a Strauss process in 3D?
Thanks.
Cheers,
Apple
Are you sure you are using the same contrasts in SPSS? You could have
supplied us with your spss syntax.
Marwan
--
Marwan Khawaja http://staff.aub.edu.lb/~mk36
--
> -Original Message-
> From: [EMAI
Tibi Codilean wrote:
> Dear All,
>
> I have x,y data with errors associated with both x and y. What would be the
> easiest way of creating plots with both x and y ?
Hi Tibi,
The plotCI function in the plotrix package will display error bars in
the x or y dimension. The examples for the func
Dear All,
I would like to simulate a Strauss process in 3D,
but there is only 2D in R.
I understand a programming which is necessary,
but I don't have idea how to simulate.
Thanks.
Apple
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