On Thu, 28 Sep 2006, hadley wickham wrote:
And, to answer the specific question: Yes, R has lazy evaluation,
everywhere. Arguments are always evaluated if and when they are
needed.
But doesn't R has a rather limited force of lazy evaluation? - you
have no control over it, apart from that
On Thu, 28 Sep 2006, Joe W. Byers wrote:
Berton Gunter wrote:
Please folks -- use indexing.
myframe-myframe[,c(1,5,2,3,4)]
Which begs the question: why bother rearranging the columns anyway, since
one can get them used, printed, etc. in any order you wish anytime you want
just by
On Fri, 29 Sep 2006, Michael Rhead Enion wrote:
I am trying to load the rgdal library in Mac OS X 10.4.7 (pismo g3
500 mhz).
This is not an R-help question, rather for R-sig-mac and/or R-sig-geo.
Please review the archives of those lists, plus comments on the
rgdal package on the Rgeo
On Thu, 28 Sep 2006, David Kaplan wrote:
I can't seem to figure out why I'm getting this error. The output is
copied right off the screen. Notice how in some cases the back slash is
missing. In other cases, it can't read a file that I know is there.
This is rw-FAQ 2.16 and FAQ 7.8
Since
The syntax is
hrout - read.spss(C:/Documents and Settings/David Kaplan\My
Documents/Baseball/Baseball Research/hr time series paper/new time
series hr paper/hrab200.sav)
to specify folder use / rather than \.
Sincerly.
David Kaplan [EMAIL PROTECTED] a écrit :
I can't
Dear R-help team,
I am trying to run R on my Intel-based Mac. I have installed R,
X11 and Tcl/TK (I thought), but the GUI doesn't run. My system
administrator doesn't support R and therefore, I'm a little
helpless. What can I do?
Regards,
Ingo
Hi
From Faq
7.8 How do file names work in Windows?
As R uses C-style string handling, \ is treated as an escape
character, so that for example one can enter a newline as \n. When
you really need a \, you have to escape it with another \.
Thus, in filenames use something like
I write a package foo which requires a package bar (from CRAN) to work. So in
the DESCRIPTION file I write Depends: bar. I would like it to be so that when
one installs foo, then it is automatically checked whether bar is installed,
and if not then bar is also installed at the same time. I
Hi
why did not you do it?
On 29 Sep 2006 at 7:04, Torsten Mathies wrote:
From: Torsten Mathies [EMAIL PROTECTED]
To: r-help@stat.math.ethz.ch
Date sent: Fri, 29 Sep 2006 07:04:31 +0200
Subject:[R] Display figures within pareto
Hi
what is wrong with legend. How did you fail to add a legend
legend(2000, 0.8, legend=names(a)[2:5], pch=c(19,20,15,18),
col=c(1,2,4,3))
works for me om Marc's example.
HTH
Petr
On 29 Sep 2006 at 9:11, zhijie zhang wrote:
Date sent: Fri, 29 Sep 2006 09:11:02 +0800
From:
On Fri, 29 Sep 2006, Søren Højsgaard wrote:
I write a package foo which requires a package bar (from CRAN) to work.
So in the DESCRIPTION file I write Depends: bar. I would like it to be
so that when one installs foo, then it is automatically checked whether
bar is installed, and if not then
Hi Rick,
I came across your posting that I had replied to. I had assumed from
your posting that you had positive integer weights, and that you had a
certain kind of stratified sampling. For a general case, you may want to
look at survey package. Graphical representation of survey data,
Thomas Lumley tlumley at u.washington.edu writes:
On Wed, 30 Aug 2006, Rick Bischoff wrote:
Unfortunately, it seems that most(all?) of R's graphics and summary
statistic functions don't take a weight or frequency argument.
(Fortunately the models do...)
I have been been meaning to
install.packages(foo, dep=Depends)
See online help. I think that the GUI version of install.packages
automatically does that.
Antonio.
2006/9/29, Søren Højsgaard [EMAIL PROTECTED]:
I write a package foo which requires a package bar (from CRAN) to work. So in
the DESCRIPTION file I write
On 9/28/2006 10:34 PM, hadley wickham wrote:
And, to answer the specific question: Yes, R has lazy evaluation,
everywhere. Arguments are always evaluated if and when they are
needed.
But doesn't R has a rather limited force of lazy evaluation? - you
have no control over it, apart from that
Dear Ravi,
Many thanks for your help. I guess the PDE I am interested in is
parabolic: it is a diffusion+advection equation: dc/dt=D d2c/dx2 + vdc/dx
Do you mean that I have to solve D d2c/dx2 + vdc/dx=0 for each time
step, taking as initial condition at step n+1 the value of c at step n?
Does
Lu, Jiang Jane wrote:
Dear r-help,
I am trying to plot several scatter plots with marginal histograms on
one page. Ideally, a page is equally divided into 4 figure regions.
Within each figure region, a scatter plot with marginal histograms will
be plotted.
I followed Dr. Paul Murrell's
Hi,
I'm trying to build R-2.3.1 on windows, but make gives me following error
while building pkg-base:
-- Making package base
adding build stamp to DESCRIPTION
make[4]: *** [frontmatter] Error 1
make[3]: *** [all] Error 2
make[2]: *** [pkg-base] Error 2
make[1]: ***
No, you don't solve D d2c/dx2 + v dc/dx = 0.
You discretize the spatial derivatives using finite differences (typically,
central difference), at a given time. Let us say x goes from 0 to 1.
Divide this into intervals of length delta x, such that x(i+1) = x (i) +
delta x, i = 0, ..., N-1. Let
I assume you are running MacOS X 10.4?
The Mac version of R does not require X11 or Tcl/TK since it uses a
separate GUI interface developed exclusively for the Mac using native
widgets and a quartz based graphing mechanism.
Try downloading the following binary installer which includes the
But doesn't R has a rather limited force of lazy evaluation? - you
have no control over it, apart from that arguments are evaluated
lazily. This rather limited compared to other languages (no lazy
lists etc)
You do have more control than that. You can't put a promise in a list,
but
On 9/29/06, hadley wickham [EMAIL PROTECTED] wrote:
But doesn't R has a rather limited force of lazy evaluation? - you
have no control over it, apart from that arguments are evaluated
lazily. This rather limited compared to other languages (no lazy
lists etc)
You do have more
On 9/29/2006 10:12 AM, hadley wickham wrote:
But doesn't R has a rather limited force of lazy evaluation? - you
have no control over it, apart from that arguments are evaluated
lazily. This rather limited compared to other languages (no lazy
lists etc)
You do have more control than
On 9/29/2006 8:53 AM, Pankaj Savdekar wrote:
Hi,
I'm trying to build R-2.3.1 on windows, but make gives me following error
while building pkg-base:
-- Making package base
adding build stamp to DESCRIPTION
make[4]: *** [frontmatter] Error 1
make[3]: *** [all] Error
Dear Alex,
It's possible, though not clear from the original posting, that Ingo is
trying to install the Rcmdr package. If that's the case, then he might find
the installation instructions for Mac users at
http://socserv.socsci.mcmaster.ca/jfox/Misc/Rcmdr/installation-notes.html
helpful.
On Fri, 29 Sep 2006, Prof Brian Ripley wrote:
On Thu, 28 Sep 2006, hadley wickham wrote:
And, to answer the specific question: Yes, R has lazy evaluation,
everywhere. Arguments are always evaluated if and when they are
needed.
But doesn't R has a rather limited force of lazy evaluation?
You want an 'augPred' plot with multiple lines per panel, from
multiple factors in the model? Because you provided such a simple,
self-contained example, I can offer much more substantive comments than
I might have otherwise. First the bad news: I don't see an easy way to
get what you
There are not all that many other languages that use lazy evaluation.
Those that do are for the most part pure or nearly pure functional
languages--Haskell is probably the main example. These go much
further in their use of lazy evaluation than R. For analogs of the R
expressions
I haven't seen a reply to this post, so I will offer a couple of
comments. Unfortunately, the information provided is not sufficient for
me to answer your questions. If you'd still like help from this
listserve, please provide commented, minimal, self-contained,
reproducible code, as
Hi John, Alex and Ingo,
Thanks for catching this question. I'd missed Ingo's original email.
Rcmdr does need X.11 and Tcl/Tk, although it uses the versions that
come with Mac OS 10.4. Hence, as Alex indicates, there is no need to
separately install these.
Ingo, if you can't get it to work
On Fri, 29 Sep 2006, hadley wickham wrote:
There are not all that many other languages that use lazy evaluation.
Those that do are for the most part pure or nearly pure functional
languages--Haskell is probably the main example. These go much
further in their use of lazy evaluation than R.
Working under Windows XP, I am compiling a package called 'pgirmess'
with the command
rcmd build --binary --auto-zip pgirmess
I have this message error after having listed: functions text html latex
example chm
zipping help file
hcc: not found
cp: cannot stat
Patrick Giraudoux wrote:
Working under Windows XP, I am compiling a package called 'pgirmess'
with the command
rcmd build --binary --auto-zip pgirmess
I have this message error after having listed: functions text html latex
example chm
zipping help file
hcc: not found
cp:
Hi,
Sorry for the question, I know it should be basic knowledge but I'm
struggling for two hours now.
How do I select only the first entry of each list member and ignore the
rest?
So for
$121_at
-113691170
$1255_g_at
42231151
$1316_at
35472685 35472588
Dear R-help
I have two separate experiments, one a repeated-measures design, the other
a split-plot. In a standard ANOVA I have usually undertaken a
multiple-comparison test on a significant factor with e.g TukeyHSD, but as
I understand it such a test is inappropriate for repeated measures or
I've been getting the following warning on each package update/install (Rv2.4
on SunOS9):
Warning message:
'DESCRIPTION' file has 'Encoding' field and re-encoding is not possible.
This was the case on R2.3 and now on R2.4 as well - any insight would be much
appreciated.
Thank you,
Sarosh
Is this what you want?
x - list(a=1:3, b=30:34, c=40:35)
x
$a
[1] 1 2 3
$b
[1] 30 31 32 33 34
$c
[1] 40 39 38 37 36 35
lapply(x,'[', 1)
$a
[1] 1
$b
[1] 30
$c
[1] 40
unlist(lapply(x,'[', 1))
a b c
1 30 40
On 9/29/06, Benjamin Otto [EMAIL PROTECTED] wrote:
Hi,
Sorry for the
On Fri, 29 Sep 2006, Patrick Giraudoux wrote:
Working under Windows XP, I am compiling a package called 'pgirmess'
with the command
rcmd build --binary --auto-zip pgirmess
I have this message error after having listed: functions text html latex
example chm
zipping help file
Exactly that... Shame on me, ashes on my head and all those sort of
things...
Thanks for the hint anyway...
Patrick
Uwe Ligges a écrit :
Patrick Giraudoux wrote:
Working under Windows XP, I am compiling a package called 'pgirmess'
with the command
rcmd build --binary --auto-zip
I haven't seen any replies to this post, so I will offer a couple
of comments.
First, your example is entirely too complicated and not self
contained for me to say much in the limited time I have for this. I
suggest you start by splitting your problem into several steps. For
I've been trying to install the RODBC dependency for Rcmdr on Rv2.4 on a SunOS9
system.
It claims not to be able to create gcc output files (executables) for the
installation.
This is puzzling since I've been able to install other packages with the same
PATH variables and all.
Feedback
First, I'd write down a model for how your stochastic process
relates to independent, normal observations with mean 0 and standard
deviation 1. You want a lognormal series, so I'd start by generating a
normal series and the compute 'exp' of that. If you'd like more help
from this
You need one of the apply family of functions.
?sapply
tmp - list(a=1:2, b=3:5, c=5, dd=numeric(0), e=1:8)
sapply(tmp, function(x) x[1])
a b c dd e
1 3 5 NA 1
__
R-help@stat.math.ethz.ch mailing list
Does this do what you want?
x - list(1,2,3:7,8,9:10)
sapply(x, function(xx) xx[1])
[1] 1 2 3 8 9
-- Tony Plate
Benjamin Otto wrote:
Hi,
Sorry for the question, I know it should be basic knowledge but I'm
struggling for two hours now.
How do I select only the first entry
Is there any heteroskedasticity test in the package? Something
that would flag a sample like
x - c(rnorm(1000), rnorm(1000, 0, 1.2))
Alberto Monteiro
__
R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do
Hi,
I have a simple problem that I would appreciate getting some tips. I am
using the truehist function within an apply call to plot multiple
histograms. I can't figure out how to get truehist to use the column names
of the matrix as the labels for the x-axis of the histograms.
Here is
I haven't seen any replies to this post, and I don't know tutors
in NYC. However, I just got 79 hits for 'RSiteSearch(dirichlet)' and
12 for 'RSiteSearch(dirichlet MCMC)'. If you would like further help
from this listserve, I suggest you review the results of
'RSiteSearch(dirichlet
Is there a function that provides the Fisher information matrix for a
generalized linear model? I do not see how to access the off-diagonal
matrix elements of the value returned by glm. (I'm particularly
interested in logistic regression.)
If not, what is a good way to use R to compute Hessians
The Brown-Forsyth test for homogeneity of variance is included in
the HH package, downloadable from CRAN.
library(HH)
x - c(rnorm(1000), rnorm(1000, 0, 1.2))
tmp - data.frame(x=x, group=rep(c(s1,s1.2), c(1000,1000)))
plot.hov(x ~ group, data=tmp)
hov(x ~ group, data=tmp)
Hello everyone.
I wanted to ask if there is an R function to estimates (confidence
intervals) attributable fraction (vaccine efficacy) from a binomial model
with a predictor with more than two levels (vaccinates, controls, other).
Thank you very much.
[[alternative HTML version
Hello,
I've decided to take the leap and try my hand at the lattice package,
though I am getting stuck at what one might consider a trivial problem,
plotting text at a point in a graph. Apologies in advance if (that) I'm
missing something extremely basic.
Consider in base graphics:
plot(1:10)
Hello,
I hope this doesn't turn into a statistics question but here I
go. I am using the nls function with a Gaussian distribution, see coding
below. When I run the nls I get an error back saying that I have a linear
gradient. I then, of course am unable to do anything else. The
David:
I don't have what you want. But if your model is simple (2-parameter,
binomial response, glm with a logit link) I have some code that computes and
plots the loglikelihood surface using contour() and superimposes the
asymptotic 95% confidence ellipse, for comparison with the observed
What have you tried? Are you familiar with the 'zoo' vignette and
the time-date articles in R News? Have you tried 'RSiteSearch'?
If you'd like more help from this listserve, please submit another
post that includes commented, minimal, self-contained, reproducible code
look at summary.glm(), probably you're looking for
fit - glm(..., family = binomial)
# the inverse Fisher Information matrix
summary(fit)$cov.scaled
I hope it helps.
Best,
Dimitris
--
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of
David,
You can use the 'vcov' function in the stats package to extract the
variance-covariance matrix from the GLM object. Inverse of this matrix will
give you the observed (not Fisher) information matrix.
You can also use the numDeriv package to obtain accurate Hessian of the
log-likelihood.
Here are two possibilities. The first use trellis.focus/trellis/unfocus to
add text subsequent to drawing the xyplot and the second uses a
custom panel:
xyplot(x ~ x, data = data.frame(x = 1:10))
trellis.focus(panel, 1, 1)
panel.text(x=2, y=4, labels=Text)
trellis.unfocus()
xyplot(x ~ x, data =
Hi,
I am running the following example which can be found on page 12 of the pdf
file of COIN package
wt-wilcox_test(pd~age,data=water_transfer,distribution=exact, conf.int=TRUE)
wt actually contains the estimate of difference in location and the
confidence interval of it. I am just wondering
On 9/29/06, H. Paul Benton [EMAIL PROTECTED] wrote:
Hello,
I hope this doesn't turn into a statistics question but here I
go. I am using the nls function with a Gaussian distribution, see coding
below. When I run the nls I get an error back saying that I have a linear
gradient.
Try this:
f - function(x,xlab) truehist(x, xlab = xlab)
mapply(f, as.data.frame(X), colnames(X))
On 9/29/06, Ravi Varadhan [EMAIL PROTECTED] wrote:
Hi,
I have a simple problem that I would appreciate getting some tips. I am
using the truehist function within an apply call to plot
On 9/29/06, Gabor Grothendieck [EMAIL PROTECTED] wrote:
Here are two possibilities. The first use trellis.focus/trellis/unfocus to
add text subsequent to drawing the xyplot and the second uses a
custom panel:
xyplot(x ~ x, data = data.frame(x = 1:10))
trellis.focus(panel, 1, 1)
Hi! 1st time I'm posting here. I'm beginning to learn R and I've encountered
a problem that I'm unable to solve so far.
I have a 20 000 x 5 matrix. In the 5th column, I have elevation. Missing
value are actually put to -9. I want to track down the index of those
values and replace
Dear R users,
I have computed a diagonal distance matrix and it's in a matrix format (I
did not use the dist() function). However hclust() does not take my
distance matrix as correct input object. It seems that hclust() only accept
the distance matrix from dist() as input object. Does
Many thanks to Marc Schwartz who helped me work through this problem
in a series of off list exchanges.
jab
--
John Bollinger, CFA, CMT
www.BollingerBands.com
If you advance far enough, you arrive at the beginning.
__
R-help@stat.math.ethz.ch
Is this what you want?
x - matrix(1:25,5)
x[c(2,5),5] - -
x
[,1] [,2] [,3] [,4] [,5]
[1,]16 11 1621
[2,]27 12 17 -
[3,]38 13 1823
[4,]49 14 1924
[5,]5 10 15 20 -
x[x[,5] == -, 5] - NA
x
[,1] [,2]
On Fri, 2006-09-29 at 16:13 -0400, bertrand toupin wrote:
Hi! 1st time I'm posting here. I'm beginning to learn R and I've
encountered a problem that I'm unable to solve so far.
I have a 20 000 x 5 matrix. In the 5th column, I have elevation.
Missing value are actually put to -9. I
yes, exactly! Thanks a lot for your quick answer :)
jim holtman [EMAIL PROTECTED] wrote: Is this what you want?
x - matrix(1:25,5)
x[c(2,5),5] - -
x
[,1] [,2] [,3] [,4] [,5]
[1,]16 11 1621
[2,]27 12 17 -
[3,]38 13 1823
[4,]49
Thanks to you also. This is very informative and it helps me with some basics
R function :)
Marc Schwartz (via MN) [EMAIL PROTECTED] wrote: On Fri, 2006-09-29 at 16:13
-0400, bertrand toupin wrote:
Hi! 1st time I'm posting here. I'm beginning to learn R and I've
encountered a problem that
Hi,
Two functions wilcox.exact and wilcox_test give slightly different confidence
intervals of the difference of the medians: for example
y-c(0,0,1.081,0.594,0,0.769,0,0.009,0,0,0.798,0.405,0.498,0.946,1.35,1.149,0.528)
x-c(rep(1,10),rep(2,7))
aa-wilcox.exact(y~x,conf.int=TRUE)
Thanks for the quick reply.
On 9/29/2006 8:53 AM, Pankaj Savdekar wrote:
Hi,
I'm trying to build R-2.3.1 on windows, but make gives me following error
while building pkg-base:
-- Making package base
adding build stamp to DESCRIPTION
make[4]: *** [frontmatter] Error 1
Hi Forum,
i am reading a csv file and running the command censummary for a summary
statistics on a censored dataset...
the output in the console looks like, but with an errror message in the end
:(
censtat - read.csv(C:/Documents and
Settings/ed/Desktop/Project-Datasets/pyrene.csv, header =
On Fri, 29 Sep 2006, [EMAIL PROTECTED] wrote:
Hi,
Two functions wilcox.exact and wilcox_test give slightly different
confidence intervals of the difference of the medians: for example
y-c(0,0,1.081,0.594,0,0.769,0,0.009,0,0,0.798,0.405,0.498,0.946,1.35,1.149,0.528)
x-c(rep(1,10),rep(2,7))
Hello All,
I am a R newbie and am probably misinterpreting something really
obvious...
In the Rcmdr package there is a scatter3d() function that can fit a
curve and also provide coefficients for the model. If I'm understanding
this right, I think it's calling the lower level stats package
Hello All,
I am a R newbie and am probably misinterpreting something really
obvious...
In the Rcmdr package there is a scatter3d() function that can fit a
curve and also provide coefficients for the model. If I'm understanding
this right, I think it's calling the lower level stats package
Dear Anja,
As you suggest, models in scatter3d() are fit via lm() and also mgcv().
scatter3d() rescales the three variables to fit in the unit cube; I believe
that the new version of rgl makes the rescaling unnecessary, so eventually
I'll probably rework scatter3d() to avoid it. It would be
What is the correct form to write statement meaning:
if (a==1) {b=2; c=3}; else {b=0; c=0};
Thank you
Jue Wang, Biostatistician
Contracted Position for Preclinical Research Biostatistics
PrO Unlimited
(908) 231-3022
__
R-help@stat.math.ethz.ch
Dear Sarosh,
As I understand it, RODBC isn't useful on non-Windows systems, since the
necessary ODBC drivers aren't available. (Someone will correct me, I'm sure,
if I don't have that entirely straight.) The RODBC package is used in the
Rcmdr to read Excel and some other files under Windows; in
Try:
as.dist(mymatrix)
On 9/29/06, Deming Mi [EMAIL PROTECTED] wrote:
Dear R users,
I have computed a diagonal distance matrix and it's in a matrix format (I
did not use the dist() function). However hclust() does not take my
distance matrix as correct input object. It seems that hclust()
Spencer,
Thank you for taking time to reply and offer suggestions. garchFit does
not allow 'formula.mean=~z+arma(p, q)', nor does it allow xreg=(x,y)
options. Any thing is xreg is ignored with a warming or error.
I have debugged garchFit and I know where the code should be modified to
a-1
if ( a ==1 ){
b - 2
c - 3
} else {
b - 0
c - 0
}
[EMAIL PROTECTED] wrote:
What is the correct form to write statement meaning:
if (a==1) {b=2; c=3}; else {b=0; c=0};
Thank you
Jue Wang, Biostatistician
Contracted Position for Preclinical Research Biostatistics
PrO Unlimited
Hi,
Are there any incompatibilities with R 2.3.1 and SPSS 14.0 with regard
to the read.spss command?
Thanks in advance.
David
--
David Kaplan, Ph.D.
Professor
Department of Educational Psychology
University of
Is there any way that I can do something like this:
png(file.png, width=200, height=200)
polygon(c(50, 50, 150, 150), c(50, 150, 150, 50))
dev.off()
and then have a png file with a 100 x 100 pixels rectangle in the middle
of it? It seems that when I call plot, it redefines the image
Is this what you want? You have to reset the margins:
png(file.png, width=200, height=200)
par(mar=c(0,0,0,0)) # reset margins
plot(0, xlim=c(0,200), ylim=c(0,200), type='n')
polygon(c(50, 50, 150, 150), c(50, 150, 150, 50))
dev.off()
On 9/29/06, Alberto Vieira Ferreira Monteiro [EMAIL
Hi Duncan:
Thank you for your help last time, since I do not use NULL to indicate
empty enviroment, I think I'm fine.
And yes, I did upgrade my R version recently, but how comes I still get this
warning for new files created
and saved after that update ? Is there anyway to get rid of
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