Will the use of jit improve performance of use contributed packages such as
lme4? Thanks.
Shige
On Thu, May 1, 2008 at 7:31 AM, Nelson Castillo [EMAIL PROTECTED] wrote:
On Wed, Apr 30, 2008 at 6:27 PM, Gabor Grothendieck
[EMAIL PROTECTED] wrote:
Aside from optiming your code by making use
Some comments
1) 'Writing R Extensions' has a chapter about looking into bottlenecks
('profiling'). Had you given a working example, I might have shown you
some results.
One thing which is clearly suboptimal is to grow components (in your case
by cbind) rather than allocate them initially
On Wed, 30 Apr 2008, Greg Snow wrote:
My impression of the plot recording in windows was that it was a quick
tool to be useful, but not a high priority. Trying to keep track of 50
plots (and using different plot windows) is pushing it beyond its
original intention. I expect that he core
I'm having trouble installing packages in Windows Vista. It's driving me
nuts.
I read all the threads and I have tried the following:
1) Right click on R and Run as Administrator
2) Turn off User Account Control
3) Toss machine across room (OK haven't tried this one yet, but I'm close)
Here is
Your issue is a corrupt download. Try another CRAN mirror.
In any case, the current version of R includes that version of boot, so
you need to update (before posting, as the posting guide asked you to).
On Thu, 1 May 2008, Scotty Nelson wrote:
I'm having trouble installing packages in
I've been trying to find a way to improve (if
possible) the efficiency of the code, especially when the number of
components to calculate is higher than 100.
pca.nipals - function(X, ncomp, iter = 50, toler =
sqrt(.Machine$double.eps))
# X...data matrix, ncomp...number of components,
#
Rolf Turner [EMAIL PROTECTED] [Thu, May 01, 2008 at 06:59:29AM CEST]:
On 1/05/2008, at 4:40 PM, Johannes Hüsing wrote:
[...]
When you do the following:
for (i in 1:100) {
summary(rnorm(80))}
what output do you get?
He'd get nothing at all.
That's the point.
On Thu, May 1, 2008 at 12:31 AM, Nelson Castillo [EMAIL PROTECTED] wrote:
Aside from optiming your code by making use of R functions
that use C underneath as much as possible the big difference
between R and Matlab is Matlab's just-in-time compilation of
code. When that was
I was trying to fit a parametric survival model with Weibull distribution on
counting process type of data (NOT interval censor data), but the
survreg(Surv(T1,T2,event)~x,data,dist=weibull) did not seem to work.
Anyone can help me with that?
The survreg function does not support
Hello,
Is there a package with Anderson-Darling Test, to test if a sample is beta
distributed?
Thanks in advance
Evgeniq
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide
Charilaos Skiadas:
Congratulations Deepayan, the book gave me exactly the kind of
lattice knowledge I needed, and then some. The graphics are really
impressive and good illustrations of what lattice can do,
All the figures from the book are also available online
(and with three different
Suppose I have two variables, x and y. For a fixed number of knots, I want
to create a spline transformation of x such that a loss function is
minimized. Presumably, this loss function would be least squares, i.e. sum
(f(x)-y)^2. The spline transformations would be linear, quadratic or
cubic.
(Ted Harding) [EMAIL PROTECTED] wrote in
news:[EMAIL PROTECTED]:
Certainly for Windows users, the suggested change could be
wise, since Windows (for reasons best known to someone who
should have known better) conceals the extension from the
user, unless the user submits to cruel and unusual
The factor order defaults to alphabetical, and boxplot follows that.
Re-ordering the factor to the order of interest is probably the best way
of handling it.
However, if you don;t want to do that, you could perhaps also use the
at= parameter in boxplot. For example
x-rnorm(50)
On 5/1/08, Shige Song [EMAIL PROTECTED] wrote:
Will the use of jit improve performance of use contributed packages such as
lme4? Thanks.
A technology like a byte-compiler or a just-in-time compiler will
change the performance of interpreted code. It will not change the
performance of compiled
RSiteSearch('free knot splines', 'fun') produced 5 hits, the first
of which is curfit.free.knot {DierckxSpline}.
RSiteSearch('estimate knots', 'fun') produced 54 hits, but I don't
know if any of those would help you.
Spencer Graves
Mike Dugas wrote:
Suppose I have two
Hello,
When making a graph, plot and boxplot automatically sort my factor
levels (y axis) into alphabetical order. Is there a way to make it
NOT do this? I've tried:
sort.by=none, sorted=FALSE, sort=FALSE, reorder=FALSE.
Thank you.
__
The short answer is 'they don't'. They use the order of the levels of the
factor that you supply, and the answer is for you to create the factor
with the levels in the order you want -- otherwise factor creation uses
alphabetical order. See ?factor.
On Thu, 1 May 2008, Lydia N. Slobodian
Great. Thanks a lot.
ZD
On Wed, Apr 30, 2008 at 7:31 PM, Nelson Castillo [EMAIL PROTECTED]
wrote:
On Wed, Apr 30, 2008 at 6:27 PM, Gabor Grothendieck
[EMAIL PROTECTED] wrote:
Aside from optiming your code by making use of R functions
that use C underneath as much as possible the big
Does anyone know of a package to make a map from GIS data, and/or would it
be easier in one of the free GIS programs. I would like to make a map of
the savannah river area with our sampling locations.
thanks
stephen
--
Let's not spend our time and resources thinking about things that are so
Dear list,
If I have two vector, t1 and t2, of different lengths. Is there an easy way
to count
the number of the overlapped in two vectors and show the result in the
graph?
Thanks much,
Alex
[[alternative HTML version deleted]]
__
Henrique, thanks for the response. As a new
user, I was unaware of with() and ave(), those are both very helpful.
However, I don't think your method is quite
right. I for all rows in each Key, I want the mean( IAC) where ProfA = 0.
To simplify the problem, I have made a subset
dataframe
Do you really need the 'F' in ARFIMA(2,1,0)?
Date: Wed, 30 Apr 2008 20:45:44 -0700 (PDT)
From: Jill Elizabeth [EMAIL PROTECTED]
Sender: [EMAIL PROTECTED]
Precedence: list
DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com;
I would like to compute the next 15
Done it!
It solves my problem.
Thank you very much
At 22:12 30/4/2008, Andrew Robinson wrote:
Tomas,
I suggest that you use
try()
Andrew
On Wed, Apr 30, 2008 at 05:30:05PM +0200, Tomas Goicoa wrote:
Dear R users,
I want to conduct a small simulation study and I have to use the lme
I would like to generate a forecast using ets or hw using a time series with a
weekly frequency of 52.? When I run this I get an error that the frequency is
too high.? Is there a way to generate a forecast using ets and a frequency of
52, (currently the restriction appears to be a max of 24)?
Hi, all
How to use elseif ?
For example, like following short python examples.
*
x = 1
if x == 1:
print 'same'
*elif* x 1:
print 'bigger'
else:
print 'smaller'
*
Thanks in advance,
Hyunchul Kim
[[alternative HTML version deleted]]
Thank you, that gives me exactly what I need.
One option is to set the order in newfile:
newfile$ApptCategory - factor(newfile$ApptCategory,
levels=c('New','Established'))
Of course, this will then affect the order for other things associated
with ApptCategory, but that is probably what you
Not quite sure what you want your graphic to look like.
Do ?intersect and ?length help at all?
ss wrote:
Dear list,
If I have two vector, t1 and t2, of different lengths. Is there an easy way
to count
the number of the overlapped in two vectors and show the result in the
graph?
Thanks much,
Hi, all
How to use elseif ?
For example, like following short python examples.
*
x = 1
if x == 1:
print 'same'
*elif* x 1:
print 'bigger'
else:
print 'smaller'
*
Thanks in advance,
Hyunchul Kim
[[alternative HTML version deleted]]
Thanks Xavier, Hadley, and Thierry!
The problem was indeed unsolvable in a previous version of ggplot, but in
the latest one sorting by levels has worked.
Best wishes
Mikhail
[[alternative HTML version deleted]]
__
R-help@r-project.org mailing
R does not seem to recognize my R_PROFILE:
$ cat $HOME/etc/Rprofile.site
a - 3
$ cat $R_PROFILE
a - 3
$ R
a
Error: object a not found
version
_
platform sparc-sun-solaris2.10
arch sparc
os
There are many ways to do this, depending on what type of spatial data
you are working with and what you want your maps to look like. The sp
package provides S4 classes and methods for working with GIS data. Two
likely candidates for importing data are the rgdal and maptools
packages. See the
Is this what you want:
x - 1
if (x ==1){
print('same')
} else if (x 1){
print('bigger')
} else {
print('smaller')
}
On Thu, May 1, 2008 at 10:52 AM, Hyunchul Kim
[EMAIL PROTECTED] wrote:
Hi, all
How to use elseif ?
For example, like following short python examples.
*
I sent the wrong link for the spatial Task View. Here it is
http://cran.r-project.org/web/views/Spatial.html
On Thu, May 1, 2008 at 8:21 AM, Kingsford Jones
[EMAIL PROTECTED] wrote:
There are many ways to do this, depending on what type of spatial data
you are working with and what you want
Another option in R is to use the vectorized version 'ifelse', which has an
advantage if x is a vector:
x - -1:4
x
[1] -1 0 1 2 3 4
ifelse(x == 1, 'same', ifelse(x 1, 'bigger', 'smaller'))
[1] smaller smaller samebigger bigger bigger
-Christos
-Original Message-
From:
Hi,
Is actually not a question for myself but for my sister. See uses Matlab
for her study movement sciences.
See likes to try free software, what is a good alternative for matlab?
Regards,
Dirk
__
R-help@r-project.org mailing list
Dear All,
I am trying to get ICC (Intra class correlation
coefficient) for a questionnaire. The questionnaire
has about 25 questions and was administered to 50
subjects on two occasions. I want to calculate the
reproducibility of the questionnaire administered to
the same group of subjects on two
Dear All,
I am trying to get ICC (Intra class correlation
coefficient) for a questionnaire. The questionnaire
has about 25 questions and was administered to 50
subjects on two occasions. I want to calculate the
reproducibility of the questionnaire administered to
the same group of subjects on two
This is for the same reason that:
3
+4
Does not give 7. R is optimized for interactive use, so if a statement
can be considered complete, it evaluates it instead of waiting for more.
In your case:
if(mxxmxy)
mxy=mxx
Is a complete statement and is evaluated without waiting to see if there
is
Hello,
I am trying to print out ANOVA summaries --- as returned by summary
(aov(...))--- in tab-delimited format, either to a file or to the
console, but so far I haven't been able to figure out a solution. My
particular ANOVA has repeated measures, so it is an instance of class
aovlist.
I have strings of the form
TICKER.GGG.XX.dat
but GGG is not always three characters so I can't use substr to pull it
out of the string.
Could someone tell me how to use sub to pull out the GGG but more
generally the string between the dot after the R in TICKER and the next
dot. I still
black and white graph with points at rivermiles- publication quality.
thanks for all of the help!
On Thu, May 1, 2008 at 12:09 PM, Ruben Roa Ureta [EMAIL PROTECTED] wrote:
Does anyone know of a package to make a map from GIS data, and/or
would it
be easier in one of the free GIS
See
?match
ss wrote:
Dear list,
If I have two vector, t1 and t2, of different lengths. Is there an easy way
to count
the number of the overlapped in two vectors and show the result in the
graph?
Thanks much,
Alex
[[alternative HTML version deleted]]
schoappied [EMAIL PROTECTED] [Thu, May 01, 2008 at 06:00:51PM CEST]:
what is a good alternative for matlab?
Octave is generally said to be the alternative.
--
Johannes Hüsing There is something fascinating about science.
One gets such wholesale
Does the following do what you want (or at least move in that
direction)?
u - array(NA,c(5,8))
t - seq(from=0.5, to=0.11,length=15)
t2 - seq(from=(-0.7),to=(-0.1),length=25)
u[1:15] - t
u[16:40] - t2
v - array(NA,c(5,8))
y - seq(from=(-0.9), to=(-0.01),length=40)
v[1:40] - y
1. Yes. strsplit(yourstring,\\.)[[1:2]]
works if the format is as specified below.
2. In Jim Holtman's regex, the PERL=TRUE argument is not needed.
sub(TICKER\\.([^.]+).*,\\1,x)
works just fine.
-- Bert Gunter
Genentech, Inc.
-Original Message-
From: [EMAIL PROTECTED]
Thanks for the help. I tried out the one promising lead, curfit.free.knot,
and it doesn't work for linear or quadratic splines. The documentation says
it should, but when I specify a linear spline, it returns a cubic.
On 5/1/08, Spencer Graves [EMAIL PROTECTED] wrote:
RSiteSearch('free
I am wondering how to customize a pairwise comparisons plot of a factorial
ANOVA, without doing a lot of manual manipulation of a TukeyHSD object. The
customizations I'd like are:
1. The aov used log-transformed response data, but I'd like to plot the
intervals on their original, untransformed
In addition to what others have pointed to regaurding buffering and cat,
there are also a couple of new functions in R 2.7.0 that help with
showing the progress of computations. They are winProgressBar (windows
only) and TkProgressBar (in the tcltk package). You can use these to
create and
Hello,
I am working on some examples of GLMM for my students but I am afraid
that my way of preparing a dataframe to pass to lmer will make them
think that R is a very difficult and un-natural language. Here is for
example a simple data set about approval ratings on two different
surveys for a
With 2.7.0 patched (not tested with 2.0.0), I get an error message in a
program that ran correctly in R 2.6.2 when the grouping factor of a
stripplot contains an Umlaut:
I am aware that there are a few locale-changes in R 2.7.0, but I could not
easily
locate who's at fault
Dieter
Hi All,
I am trying to make R package using R 2.6.2
And I am getting following error.
When I give R CMD check t1\
-- Making package t1
adding build stamp to DESCRIPTION
making DLL ...
making CGHseg_rewrite.d from CGHseg_rewrite.c
making rowMedians.d from rowMedians.c
Hi Scotty,
Can't give an answer from what you've provided, but one temp. work-around
that might work is to get onto CRAN -- packages and download the packages
you need from your web browser as zip files, then do an Install package(s)
from local zip files... from the Packages menu.
HTH, Mark.
Hi,
i want to import data from .ods and .xls files in R on a linux system.
Seems it was a faq in the past, but i found only solutions for Windows.
Is there a handy solution for linux? The best would be something like
mytab -read.ods(...)
Any hints? Thanks a lot for reading so far,
--
Jonas
Hi,
I am wondering if there is a way to plot proportions of factors. I
tried to find plot functions for those but in vain.
For example, I have a data like this where column a has 10 of 0s
and 15 of 1s, and column b has 5 and 20.
x -
data
.frame
On 4/30/08, Charilaos Skiadas [EMAIL PROTECTED] wrote:
Actually it's been out for a couple of weeks now at least.
Yes, it's been out since March 12, actually.
I just finished
my first reading of it, and I must say it was spectacular. Congratulations
Deepayan, the book gave me exactly the
?mosaicplot
-- Bert Gunter
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Sang Chul Choi
Sent: Thursday, May 01, 2008 4:09 PM
To: r-help@r-project.org
Subject: [R] A plot of factor data?
Hi,
I am wondering if there is a way to plot proportions of
I've written a little python script that converts ods and xls to csv,
and a wrapper in R that imports a sheet of the ods and/or xls into a
data.frame in R. If this is a FAQ and there is an existing solution, great.
Actually, for xls, the library gdata has a read.xls function that uses a
perl
read.xls in the gdata package can read xls files. It uses a perl
program and does not require Windows. There is also the
related xls2csv in the same package.
On Thu, May 1, 2008 at 5:00 PM, Jonas Stein [EMAIL PROTECTED] wrote:
Hi,
i want to import data from .ods and .xls files in R on a
Dear all,
I'm trying to get a 2D matrix correlated with a reference matrix. I've
been told I need to do this with convolution. I have the convolution
down but now i have a complex number that I don't know how to convert
back to a real number. Also How can I get the correlation coefficient
The topic of Ra and jit has come up on this list recently
(see http://www.milbo.users.sonic.net/ra/index.html)
so I thought people might be interested in this little demo. For it I
used my machine, a 3-year old laptop with 2Gb memory running Windows
XP, and the good old convolution example, the
Hi,
I am using axis() to plot axis 1 and axis 2. but now when I used
axis(side=1,) and axis(side=2,.), there's a big margin between these
two axis. does anybody have any idea about how to shrink the margin between
these two axis. basically, I want to move axis 1 left so that when I plot
Chih Chu
I'm not sure what you mean. The following shows the axes evenly spaced
for me (R 2.7.0 on Windows device):
plot(1:10, axes=F)
axis(1)
axis(2)
axis(3)
axis(4)
axis(1, c(1,10), c('',''), tck=0)
axis(2, c(1,10), c('',''), tck=0)
axis(3, c(1,10), c('',''), tck=0)
axis(4, c(1,10), c('',''),
Hi R-expert,
If I have this daily rainfall data, how do call a particular day?
Year,Month,Day,Amount
1900,12,22,1.3
1900,12,23,0
1900,12,24,0
1900,12,25,0
1900,12,26,0
1900,12,27,0
1900,12,28,0
1900,12,29,4.8
1900,12,30,0.3
1900,12,31,0.5
1901,1,1,0
1901,1,2,3
1901,1,3,0
1901,1,4,0.5
1901,1,5,0
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