ot to work.
Version 2.10.1 is about to be released, for crying out loud!
cheers,
Rolf Turner
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On 2/12/2009, at 3:48 PM, Peng Yu wrote:
On Tue, Dec 1, 2009 at 8:24 PM, Rolf Turner
wrote:
On 2/12/2009, at 3:09 PM, Peng Yu wrote:
Here is my sessionInfo().
[Snotty comment deleted.]
sessionInfo()
R version 2.7.1 (2008-06-23)
If you're goi
s/R.framework/Resources/library"
> sessionInfo()
R version 2.10.0 (2009-10-26)
i386-apple-darwin8.11.1
locale:
[1] C
attached base packages:
[1] datasets utils stats graphics grDevices methods base
oth
cut.default(). Can anyone help?
Unless I'm terribly confused, the obvious solution to your question is:
cut.im(X.im,breaks=c(0,5,60))
Uhhh, why was this difficult?
cheers,
Rolf T
nd
get into the R way of thinking. You'll be glad you did!
To paraphrase Eric Blair: ``SAS-thinkers unbellyfeel R-speak.''
cheers,
Rolf Turner
##
Attention:
and then attach ``cameroon.dput'' to your email.
Thanks.
cheers,
Rolf Turner
On 9/12/2009, at 9:38 AM, Sebastian Schutte wrote:
Hi,
I know there are older threads discussing the quadratcount function in
spatstat. Unfortunately, I could not find a solution to
orget about the GUI, which only
gets in the way of serious work?
cheers,
Rolf Turner
P. S.:
> sessionInfo()
R version 2.10.0 (2009-10-26)
i386-apple-darwin8.11.1
locale:
[1] en_NZ.UTF-8/en_NZ.UTF-8/C/C/en_NZ.UTF-8/en_NZ.UTF-8
attached base packages:
[1] dataset
to change
counts into density values.
2) Plot multiple frequency curves in a single plot
?lines
I have been using the "hist" function for my job.
I'd appreciate if anyone could help me with the solution
not be so efficacious in the context
of my real --- as opposed to toy --- example). I want to try to get
the environment idea to work, and I want to understand more about
environments and how they work.]
Thanks for any insights.
cheers,
Rolf Turner
P. S. Are there any articl
alf evil.
> x <- rnorm(300)
> h <- hist(x,plot=FALSE)
> h$counts <- h$counts*42
> plot(h,ylab="Rescaled counts")
If you want to rescale the x-axis, see the posting by Stephan Devriese.
ch
file.
Sounds like a job for Superman (i.e. Simon Urbanek). :-)
cheers,
Rolf Turner
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Thanks to Gabor Grothendieck, Duncan Murdoch, Hadley Wickham, and
Bert Gunter
for their useful input. I'm beginning to get a glimmering of
understanding,
and I think I now have enough to make some progress.
cheers,
Rolf T
Wouldn't sink.number() give you a handle on whether
the problem is that there is an invalid sink() in effect?
On 15/12/2009, at 10:55 AM, Brian Diggs wrote:
-Original Message-
From: Liviu Andronic [mailto:landronim...@gmail.com]
Sent: Sunday, December 13, 2009 4:05 AM
To: Duncan Murdoc
u insist on having them.
cheers,
Rolf Turner
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__
R-help@r-project.org mailing list
http
ou want. The dummy variable encoding used will be
determined
by the (first) value of options()$contrasts, which by default i
contr.treatment.
Read up on factors and contrasts.
cheers,
Rolf Turner
s (note the ``s'') is a required R package which is
*always* loaded
automatically --- and in my experience instantaneously.
I don't know about a dataset (singular) package. There does not
appear to be
one on CRAN.
There is some confusion in what you are doing.
cheers
do:
files <- list.files(pattern="\\.csv$")
for(file in files) {
stem <- gsub("\\.csv$","",file)
assign(stem,read.csv(file))
}
cheers,
Rolf Turner
###
,
Rolf Turner
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Any views or opinions presented are solely
ing a seed serves to make
the results reproducible. This works via either approach. Making
results
reproducible in this manner is advisable, but seed-setting is nothing
that the OP
needs to be *warned* about.
cheers,
package:stats'' in the search path which is listed
The point that Uwe was making was that you probably had some *other*
package loaded,
said package containing a density() function (with only one
argument?) which masked
the density() function in the
uote marks; requires the variable name as a
string.
cheers,
Rolf Turner
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ething together:
!is.na(match("array",names(xxx)))
will do it, I think. (Not tested.)
cheers,
Rolf Turner
##
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it's working) of expand.grid() default to options()
$stringsAsFactors,
rather than to FALSE?
This would make no difference to me personally, since I set
options(stringsAsFactors=FALSE) in my .Rprofile. But it might make some
people hap
hould* happen if all of the arguments are NA?
One way to start tracking down the instance would be to set
options(warn=2)
to change the warning to a real error, and then use traceback() to
see where the error occurred.
cheers,
Rolf T
x <- 1.6
> y(x)
or
> fred <- 1.6
> y(fred)
cheers,
Rolf Turner
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___
might consider trying the Geyer process. Use cif="geyer" in forming
the model to be used by rmh(). In fitting Geyer models to data, one way
to estimate the saturation parameter is via profile pseudolikelihood.
See ?profilepl.
cheers,
]
[1] 3926
> temp2[12]
[1] 0.4462404
> xxx <- replace(rep(0, 4000), temp1[12] , temp2[12])
> xxx[3925]
[1] 0
> xxx[3926]
[1] 0.4462404
OMM!
cheers,
Rolf Turner
##
Attention:\
x27;-' for
subtraction, '*' for multiplication, '/' for division and '^' for
exponentiation.
The key word is ``recycled''.
cheers,
Rolf Turner
#
.0
Sam 3.20.02.10.00.0
NA 0.0 0.0 0.0 100.2 1000.2
cheers,
Rolf Turner
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_
On 15/06/2009, at 7:48 AM, Grześ wrote:
Hello!
I wont to use a function is.na()
I have two vectors:
a=c(1,NA,3,3,3)
b=c(0,0,0,0,0)
and when I use is.na function it's ok:
is.na(a)
[1] FALSE TRUE FALSE FALSE FALSE
but I would create sth like this:
for i in 1:length(a){
if (wsp[i] ==
e ``true'' curve.
yt <- 1.3 + 0.4*tt - 0.6*tt^2
lines(tt,yt,lty=5,col="blue")
cheers,
Rolf Turner
On 16/06/2009, at 2:11 PM, Dylan Beaudette wrote:
On Mon, Jun 15, 2009 at 6:57 PM, Ben Amsel wrote:
Hello R users,
Given a linear (in the parameters) re
psych.upenn.edu/Rhelp08/2009-April/196676.html
points to a thread from 2002 which appears to be quite germane:
https://stat.ethz.ch/pipermail/r-help/2002-July/023461.html
cheers,
Rolf Turner
On Tue, Jun 16, 2009 at 4:50 PM, Derek An wrote:
Dear all,
Is there a instr
Where the did you get the argument ``na.nr''?
Perhaps you need new reading glasses.
Anyhow, unless there's something else you're not telling us,
apply(nafam,2,sum,na.rm=TRUE)
should work just fine.
cheers,
Rolf Turner
On 17/06/2009
1.7212112 2.7146747 3
5 1.4042683 1.8666787 3.3951935 3
6 0.8938755 2.6359504 1.0695309 2
7 2.5115220 1.7157471 1.2427306 1
8 0.9053410 -0.6564554 -0.2631631 1
9 3.0184237 -0.4404669 1.9600974 1
10 0.9372859 3.
nceptually, eval(as.name(c(thels))) which of course
doesn't work.
Does
do.call(c,thels)
work?
cheers,
Rolf Turner
##
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fit.list[[i]] <- fit
}
So a ``fix'' for the problem would seem to be to start with fit.list
being an empty list,
rather than NULL.
But why the problem shows up only with calls to lmer() is completely
mysterious to me.
Perhaps others will be able to shed light.
HTH
cheers
On 23/06/2009, at 11:38 AM, m.gha...@yahoo.fr wrote:
Hi,
I'm a beginner using R and I'm modeling a time series with ARIMA.
I'm looking for a way to determine the p-values of the coefficients
of my model.
Does ARIMA function return these values? or is there a way to
determine them easily?
es=c
("COD","MDid"),direction="wide")
Except for the order of the columns (which you can easily rearrange
if it matters,
which it doesn't) the result appears to be what you want.
cheers,
Rolf Turner
Thanks in advanc
to use it
a ``high'' level
you need to understand the high level. Don't attempt to run before
you can crawl.
cheers,
Rolf Turner
Best regards,
Craig
Stavros Macrakis wrote:
On Wed, Jun 24, 2009 at 12:34 PM, Mark Na wrote:
cheers,
Rolf Turner
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at is sufficiently Unix-like for the following roll-your-own to work:
cfsl <- function(file) {
# cfsl <--> "check for symbolic link"
xxx <- system(paste("ls -l",file),intern=TRUE)
if(substr(xxx,1,1)=="l") TRUE else FALSE
}
HT
sv file, and then read *that* in with
read.csv()
What am I missing? *Are* there ``R binary'' files lurking about that
I am somehow
not seeing? Why won't read.xls() work on this data set?
cheers,
Rolf Turner
##
On 25/03/2009, at 12:09 PM, Frank E Harrell Jr wrote:
(2) Scrolling down to ``Byar and Green prostate cancer data''
appeared
to get
me to the right place. But I couldn't see any signs of any ``R
binary
files''.
Please look again. It's under the heading "R". Unfortunately I u
re also excluded. See fortune(18).
Another rule is that a variable name can't begin with a digit.
And it can't have white space in it.
There are probably other rules, but essentially anything *sensible*
as a variable name can be used as a variable name.
cheers,
On 27/03/2009, at 2:52 PM, Marc Schwartz wrote:
On Mar 26, 2009, at 8:40 PM, Rolf Turner wrote:
On 27/03/2009, at 2:04 PM, Mike Miller wrote:
Importing data with a header row using read.delim, one variable
should be
named @5HTT but it is automatically renamed to X.5HTT, presumably
t; R.help web interface ---> Unsubscribe or edit options
Doesn't seem too difficult to me.
cheers,
Rolf Turner
##
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, the spatstat package provides
quite
a few facilities for analyzing quadrats/quadrat counts. This package
might
prove to be of some use to you.
cheers,
Rolf Turner
##
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Hi.
I am trying to do histograms in lattice, and I want to get both
counts and percents in the same plot. To try to be clearer ---
there are 3 levels to my factor; I'd like to get a 2 x 3 array
of plots where the top row consist of histograms by counts and
the bottom consists of (the correspond
Thanks very much for your input.
On 30/03/2009, at 12:29 PM, Felix Andrews wrote:
Modifying your example...
library(lattice)
set.seed(42)
XX <- data.frame(y=runif(300,0,10),a=factor(sample(letters[1:3],300,
TRUE,c(0.5,0.3,0.2
XX <- rbind(XX,XX)
system elapsed
1.938 0.098 2.040
so unless there's something that I am misunderstanding (always a serious
consideration) Wacek's apply method looks to be about 1.4 times
*faster* than
the do.call/pmax method.
cheers,
Rolf Turner
On 30/03/2009, at 3:55 PM
got Mozilla 5.0, Firefox 2.0.0.2
--- whatever that means.
Bottom line --- I can't watch the video.
But that's the story of my life. ***Nothing*** ever works for me! :-)
Except R, which *mostly* works.
cheers,
Rolf Turner
On 31/03/2009, at 12:49 PM, Ted H
This whole thing is an April Fool's joke. Isn't it?
***Please***!!! (Let it be an April Fool's joke.)
cheers,
Rolf Turner
##
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On 2/04/2009, at 8:37 AM, Jason Rupert wrote:
Is there any syntax in R that allows a "switch"-type condition to
be used?
switch(variable){
case CONSTANT_VALUE;
break;
default:
break;
}
?switch
##
Attention:
**Look*** at the values of a
and b
produced in your loop and see where you're getting infinite values.
cheers,
Rolf Turner
##
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may be sexier than my
suggestion above.
Note that D gets recoded as ``Blechh!'' in the my suggestion, since
you didn't
specify what you wanted to happen to D. If you want D to stay as D,
replace
"Blechh!" by "D"; or if you want it to becoming ``missing&#x
Uhhh, Bill, he wanted E to be recoded as ``Treat 3''.
And he didn't say ***what*** he wanted to happen to D.
Fancy. A chance to ``correct'' Bill Venables for a second time
in two days! :-)
cheers,
Rolf
On 2/04/2009, at 12:39 PM, bill.venab...@csiro.au wrote:
Here i
On 2/04/2009, at 11:27 PM, Uwe Ligges wrote:
Not many of us are clairvoyants
Hey! Wish I'd said that! :-)
cheers,
Rolf
P. S. Great minds think alike.
R.
###
ow
so this doesn't do anything). Thus you are in effect asking for d1
[2:25,].
And that's what you get. Look carefully --- it is not correct to say
that when
you looked at d2 *no* data were removed; d2 is equal to d1 with its
first row
removed. I.e. your operation didn't r
plain number:
-10, 0 , 10, 20, ...etc
Look at the ``scipen'' argument of options().
A perfunctory experiment indicates that options(scipen=1) should work
in your case.
cheers,
R
, 10, 30, ...etc
^
in the x-axis tick marks.
axis(side=1,at=0) might give what you want.
But I get a 0 tick mark plotted automatically when I try a simple
example.
This could be due to OS difference I guess.
cheers,
Rolf Turner
On 4/04/2009, at 10:37 AM, Emmanuel Charpentier wrote:
Le vendredi 03 avril 2009 à 14:17 -0400, stephen sefick a écrit :
I am starting to use R for almost any sort of calculation that I
need.
I am a biologist that works in the states, and there is often a need
to convert from standard units
Sheesh!
cheers,
Rolf Turner
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ectively
inaccessible --- which seems to have become an obsession with some
of the
R community, particularly many of the senior members --- bugs the
living
Drambuie out of me.
cheers,
Rolf Turner
###
luck.
cheers,
Rolf Turner
set.seed(1)
alpha <- numeric(100) # Vector to store coefficient estimates
X1 <- numeric(100)
X2 <- numeric(100)
a <- 0 # True parameters
B1 <- .5
B2 <- .85
for (i in 1:100){
x1 <- rnorm(1000)
x2 <- rnorm(1000)
epsi
On 8/04/2009, at 1:27 PM, Ben Bolker wrote:
I agree that that the individual-level random effect is probably
the issue.
I played with this some today but didn't manage to resolve it --
tried JAGS/R2jags and glmer from lme4 but didn't manage to
get an estimate of epsilon that matched
On 8/04/2009, at 2:31 PM, Roslina Zakaria wrote:
Hi Rolf,
I would like to extend the problem that I asked you before
regarding the newton method using 4 functions with 4 parameters.
My functions involve the modified bessel function of the first kind
which I can type them without any pr
There is no bug.
Both of your examples work fine for me. You may have a corrupt
version of ``iris'' somewhere in your search path before ``datasets''.
What does find("iris") tell you? What does names("iris") tell you?
cheers,
trix() function gets
called
in the right circumstances.
Sounds like a job for namespaces (about which I was *complaining*
recently;
:-) ) although I don't understand these well enough to be sure that they
could help here. Peter will know, I have every confidence!
cheers,
discrete Fourier transform, the latter
being what
is calculated by fft(). (NOTE: ***NOT*** ``FFT'' --- R is case
sensitive.)
cheers,
Rolf Turner
##
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On 17/04/2009, at 10:21 PM, Duncan Murdoch wrote:
Benjamin Tyner wrote:
Many thanks Duncan. Perhaps this merits a more explicit note in the
documentation?
The quote I gave is from the documentation. How could it be more
explicit?
This is unfortunately typical of the attitude of R-core
On 19/04/2009, at 9:45 PM, Duncan Murdoch wrote:
On 18/04/2009 8:47 PM, Rolf Turner wrote:
On 17/04/2009, at 10:21 PM, Duncan Murdoch wrote:
Benjamin Tyner wrote:
Many thanks Duncan. Perhaps this merits a more explicit note in the
documentation?
The quote I gave is from the documentation
On 19/04/2009, at 8:59 PM, Patrick Burns wrote:
Rolf Turner wrote:
On 17/04/2009, at 10:21 PM, Duncan Murdoch wrote:
Benjamin Tyner wrote:
Many thanks Duncan. Perhaps this merits a more explicit note in the
documentation?
The quote I gave is from the documentation. How could it be
x27;'.
So I'd end up with:
f
[,1] [,2] [,3]
[1,]016
[3,]361
Note: 1 is an arbitrary cut-off value.
d[apply(d,1,function(x){any(x<=1)}),apply(d,2,function(x){any(x<=1)})]
cheers,
ta(B)a_t you
could
generate W_t according to phi(B)W_t = theta(B)a_t and then set
Z_t = W_t + mu
where mu = phi_0/phi(1).
HTH
cheers,
Rolf Turner
##
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On 6/05/2009, at 12:50 PM, x wrote:
Hi,
While xYplot(...) below produces an empty pdf file, plot(...) works
fine. The same xYplot(...) produces correct output if tried
directly in R console. Any suggestions?
RTFFAQ (7.22)
cheers,
Rolf Turner
tacit assertion here that the results from PROC
MIXED in The-Package-That-Must-Not-Be-Named are the correct results.
This assertion is very likely to bring the wrath of Doug Bates down
upon your head. An outcome to be devoutly avoided! :-)
cheers,
Rolf Turner
to be
different
from the values in SAS.
I would also appreciate it if someone can explain the difference in
simple
terms. I'm pretty new to both programs. Thanks for your help-
Read the posting guide then repost your question.
cheers,
R
y want to clean up by 'rm -rf .Rd2dvi' "
which tells you the value of ``''. The tex file you want
is called Rd2.tex.
There is probably a similar incantation that works under Windoze.
cheers,
Rolf Turner
't the foregoing solution *leave
in* the possibility
of putting all 17 balls in the first urn? Or 3 balls in the first
urn, 12 in the second,
and the remaining 2 in any of the other six urns? Etc. I.e. don't
more terms have to
be subtracted?
c
I re-read the solution that you posted and realized where my thinking
was going wrong. Sorry (again!) for being a thicko.
cheers,
Rolf Turner
On 13/01/2010, at 9:19 AM, Greg Snow wrote:
How trivial is probably subjective, I don't think it is much above
trivia
eric <- as.numeric(levels(data_factor)[data_factor])
as has been pointed out quite a few times on this list.
cheers,
Rolf Turner
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?table
On 14/01/2010, at 11:12 AM, Jesse Sinclair wrote:
Hi all,
I have a vector of strings and need to count the number of times a
string
appears in the vector.
eg:
[1] spp6 spp10 spp6 spp6 spp4 spp2 spp9 spp10 spp5 spp2
spp2 spp3
[13] spp4 spp3 spp6 spp10 spp6 spp4 sp
On 15/01/2010, at 4:45 PM, Erin Hodgess wrote:
Hi R People:
I'm teaching a statistical computing class using R starting next week
(yay!) and I have an opinion type question, please.
I'm old school and use "<-" in an assignment.
However, I'm starting to see the "=" in the literature.
Which s
to me, preferably in terms that are comprehensible to
the human mind (which is what I'm equipped with)?
cheers,
Rolf Turner
On 14/01/2010, at 2:24 PM, Gabor Grothendieck wrote:
See ?rep where it says that the argument must be a vector. Try
rep(list(sin), 3)
On
h()
which will show you what packages are loaded.
You could also try find() !!!
cheers,
Rolf Turner
##
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ur data frame to numeric mode. If there
are some columns that you wish to leave alone you will have to do
something a little bit more subtle. But not much more subtle.
It's all pretty easy if you learn some basic R syntax.
cheers,
Rolf Turner
On 18/01/2010, at 11:17 AM,
the whole thing
falls over when a is a name, i.e. mv(a,b) doesn't work any more.
Is there an incantation that will allow me to accomplish all of my
desiderata?
Thanks.
cheers,
Rolf Turner
##
that these objects consist of text strings which *could*
name other objects is of no importance (to me).
Thanks again to all who responded.
cheers,
Rolf Turner
##
ackages("spatstat",dependencies=TRUE,lib=xlib)
and see how you go.
cheers,
Rolf Turner
##
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. Zeileis?
cheers,
Rolf Turner
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Ted, Alfredo, et al: Please stop doing this
jerk's homework for him!!!
cheers,
Rolf Turner
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.
cheers,
Rolf Turner
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like that, for goodness sake.
cheers,
Rolf Turner
On 21/01/2010, at 2:19 PM, Peter Rote wrote:
Thank you Dieter,
but i still have a problem to write to file. The problem is the
slash in
file names (Aerospace/Defense Products & Services ). If
orp") # Give the columns
evocative names.
X <- cbind(site=sub(".txt","",file),X)
result[[file]] <- X
}
result <- do.call(rbind,result)
HTH
cheers,
Rolf Turner
Seth
?args
???
cheers,
Rolf Turner
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ndering if there was an
equivalent mechanism that I cannot find in the docs anywhere to make
it work.
> set.seed(42)
> m <- sample(0:9,42,TRUE)
> S <- "which(m==4)"
> eval(parse(text=S))
[1] 11 15 19 29 42
?sample
On 28/01/2010, at 12:06 PM, jshort wrote:
Hi
I've recently been trying to solve some probability questions in R,
but am
having trouble.
This is one question thats been causing some hair loss:
Given the set of integers S = {1,2,3,4,5,6,7,8,9,10}, create a
function F(S)
that u
m running a
> multivariable regression. Any help would be greatly appreciated. Thanks.
This would seem to be very easy to do using a for loop and a list.
What is the problem? Is this a homework question?
cheers,
Rolf Turner
On 2/02/2010, at 8:38 AM, Steve Lianoglou wrote:
> On Mon, Feb 1, 2010 at 2:16 PM, Rolf Turner wrote:
>>
>> On 31/01/2010, at 12:14 PM, ace834 wrote:
>>
>>>
>>> Hi, I am pretty new to R. I'm trying run a regression repeatedly, adding a
>&g
Sons, New York, 1968) may be of some interest
and/or relevance here.
cheers,
Rolf Turner
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