Selon Gabor Csardi [EMAIL PROTECTED]:
On Thu, Feb 02, 2006 at 06:27:47PM +0100, [EMAIL PROTECTED] wrote:
[...]
The problem is that as.double drops the dim attribute:
b - matrix( 1:4, 2, 2)
b
[,1] [,2]
[1,]13
[2,]24
as.double(b)
[1] 1 2 3 4
You can try:
b
Hi
you can also try to look at
?savehistory
which enables you to save your latest commands to a file. Or use menu
item save history. You can edit this saved file and you can use part
of it or whole by loadhistory or just by copy/paste to R console.
HTH
Petr
On 3 Feb 2006 at 7:41, Prof
Martyn == Martyn Plummer [EMAIL PROTECTED]
on Thu, 02 Feb 2006 22:34:23 +0100 writes:
Martyn Quoting Daniel A. Powers
Martyn [EMAIL PROTECTED]:
R-help --
I built R-2.2.1 in my own directory on a sun
(solaris). Now I would like the sysadmin to move the
I correct a little my code, in R code, i use as.matrix for ZT, so i haven't
got segment fault but it seems that i transmit only the first colon and
because ncol gives 1 and not 2.
So what happen ?
Programs
R CODE - test.R =
X-c(4,2,3,2)
Z-c(40,21,30,20)
dX-c(2,1,1)
dyn.load(test.so)
No idea, your code (now that you're not using as.double) kinda works for me.
source(test.R)
[,1] [,2]
[1,] 21 20
[2,] 300
[3,] 400
verifie taille: 4
verifie de X: 4.00 - 2.00 - 3.00 - 2.00
verifie dX: 2 1 1
verifie de Z
4 1
40.00 0.00
21.00
Hi,
I am doing cluster analysis and get back the vector with the clusters. Now I
want to access the original data according to the assigned clusters.
Therefore, I need the row names of the $cluster vector. Right now I do the
following what works but seems a little awkward:
Could somebody gives me some advice what is the problem of my analysis as
per attached printed file showing the steps of the input and the error
occured. I have also attached my data file in Excel file format for your
reference.
Thanks.
Andy
result.pdf
Description: Adobe PDF document
Hi
I do not know anything about mnp but the variables in your data frame
has names V1:V23 and you request mnp to use variables x1..., y1...,
and z1 Unless you have them somewhere, where do you suppose mnp
to know about them?
Try to read some basic text about data structures and
Hello,
I am a research student and I am using R to access my research. I want
to know how to multiple plot , such as for the exponetial distribution,
if I give the covariate different value, how to plot these in the same
figure,
And also I want to add the density plot in the histogramm.
How to do
Prof Brian Ripley [EMAIL PROTECTED] writes:
On Thu, 2 Feb 2006, Fernando Saldanha wrote:
I am trying to imitate encapsulation from other languages like Java
or C++. Coming from that background, it bothers me that I can commit
errors like the following:
x - 1
f - function(z) { y -
On Thu, 2 Feb 2006, Duncan Murdoch wrote:
On 2/2/2006 5:56 PM, Berton Gunter wrote:
Just echoing and slightly amplifying Gabor's comment...
The semantics of R are really based on functional programming (LISP-like)
rather than OOP (JAVA-like)? R's behavior is proper from that point of
view;
I know this is a long shot, but does anyone out there have code for converting
a R-dataframe into a Stand Visualization System (SVS) tree list? It would save
me a bit of time.
I would be interested if anyone has FVS code as well. I will be working
(reworking) NE-TWIGS equations to a
x - seq(0, 10, by=.1)
plot(x,pexp(x, rate=1))
points(x,pexp(x, rate=2), pch=2, col=blue)
See help(plot), help(points), help(lines).
Gabor
On Fri, Feb 03, 2006 at 01:07:30PM -, Xiao Zhao wrote:
Hello,
I am a research student and I am using R to access my research. I want
to know how to
Martin Maechler [EMAIL PROTECTED] writes:
Martyn R is designed to run from its build directory. But
Martyn if your sysadmin installs it with make install (as
Martyn root), then the shell wrapper that is installed in
Martyn /usr/local/bin/R will have R_HOME pointing to the
Hi everybody,
while performing ks.test for a standard exponential distribution on samples
of dimension 2500, generated everytime as new, i had this strange behaviour:
data-rexp(2500,0.4)
ks.test(data,pexp,0.4)
One-sample Kolmogorov-Smirnov test
data: data
D = 0.0147, p-value = 0.6549
Question that I have to ask has two parts: first, related to statistics,
in principle, and second, related to R-how-to, in particular.
In very brief, I have collected pretty solid sample for a phenomenon
that has two possible interpretation of how it is distributed in the
population; for example,
Question that I have to ask has two parts: first, related to statistics,
in principle, and second, related to R-how-to, in particular.
In very brief, I have collected pretty solid sample for a phenomenon
that has two possible interpretation of how it is distributed in the
population; for example,
On 2/2/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
Selon Gabor Csardi [EMAIL PROTECTED]:
On Thu, Feb 02, 2006 at 03:11:42PM +0100, [EMAIL PROTECTED] wrote:
[...]
and my test code in C is:
SEXP VPCEfron(SEXP f, SEXP SR, SEXP ZR,
7 repetitions is not nearly enough to get a good estimate of the
variability of the test statistic.
Try this:
nrep - 500
pvals - tstvals - numeric(nrep)
for (i in seq(nrep)) {
tmp - ks.test(rexp(2500,0.4),pexp,0.4)
pvals[i] - tmp$p.value
tstvals[i] - tmp$statistic
}
hist(pvals)
The distribution of p-values should be uniform under
the null hypothesis. When I do:
jj - numeric(1)
for(i in 1:1) jj[i] - ks.test(rexp(2500, .4), 'pexp', .4)$p.value
Warning messages:
1: cannot compute correct p-values with ties in: ks.test(rexp(2500,
0.4), pexp, 0.4)
2: cannot
Dear R-helpers:
Suppose I have a datafram called test_frame like this
col1 col2 col3 col4
r1 xxx x
r2 xxx x
r3 xxx x
..xxx x
rn xxx x
I know I can get data of col3 by using
Far be it for me to tell people what they can and cannot do. Perhaps I
can rephrase myself in a less inflammatory way.
R runs from the build directory as a convenience for developers, so you
don't have to reinstall R every time you change something. But for
users, the standard mechanism make
I installed mod_r according to the specifications, and have been trying
to get the demo script to work correctly. I am running debian, the
latest build of R, apache 2 with prefork mpm, and the latest mod_r. Is
anyone else using this module successfully? I added:
LoadModule R_module mod_R.so
test_frame[,col3]
or
subset(test_frame, select = col3)
Vincent Deng wrote:
Dear R-helpers:
Suppose I have a datafram called test_frame like this
col1 col2 col3 col4
r1 xxx x
r2 xxx x
r3 xxx x
..xx
Chuck Cleland [EMAIL PROTECTED] writes:
test_frame[,col3]
or
subset(test_frame, select = col3)
or
test_frame$col3
--
O__ Peter Dalgaard Øster Farimagsgade 5, Entr.B
c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of
Hello,
Recently I have been reading a lot of material about statistical modeling
using R. There seems to be conflicting opinions about what the best approach
is between the SAS community and the R community.
1) In R one might start with a model that has all possible effects of
interest in it and
All,
When starting R, how does one prevent the loading the previous
workspace which was saved? I'd like to start a new project
and save the new image in a different directory, but I'd like to
partition this from the old project. Does there exist a better
way than just deleting the files
Bill Szkotnicki wrote:
Hello,
Recently I have been reading a lot of material about statistical modeling
using R. There seems to be conflicting opinions about what the best approach
is between the SAS community and the R community.
1) In R one might start with a model that has all possible
Hi group,
Here is another clustering question. Is there
anything available in R that I can cluster groups with
overlaps? It looks like a Venn Diagram with two or
more circles overlapping one another.
I realize that Hierarchical Clustering (hclust in
Stats) only group individuals into
In response to your last question --
Duncan already gave you the answer in his last e-mail -- to give
an explicit example, for a particular set of means and
variance-covariance matrix:
library(rgl)
demo(shapes3d)
rgl.clear()
sphere - ellipsoid3d(2,2,2,qmesh=TRUE)
means - c(0,0,0)
S -
BJ wrote:
I installed mod_r according to the specifications, and have been trying
to get the demo script to work correctly. I am running debian, the
latest build of R, apache 2 with prefork mpm, and the latest mod_r. Is
anyone else using this module successfully? I added:
LoadModule
Hi
I am not able to have a working tcltk library in R-2.2.1 inspite of
trying different options suggested in the FAQ's. I am using the
following configure option and I do get the tcltk package installed but
with a missing libs folder.
./configure -prefix= ~R-2.2.1 --enable-R-shlib
If you start R with the argument --no-restore (or even --vanilla, I think),
no workspace will be loaded.
Personally I almost never save a workspace image. Whatever I need I
explicitly save() and load() or attach().
Andy
From: Afshartous, David
All,
When starting R, how does one prevent
[Brian Ripley]
Is there a good reason to use qqnorm in a single-log context?
Yes. Googling around reveals this is not so uncommon.
Should one not rather use
qqnorm(log(freq))
qqline(log(freq))
In the display produced by qqnorm, the y-axis would then show
log(value) labels, while the user
try:
cmeans Fuzzy C-Means Clustering in library(e1071)
regards, christian
Hi group,
Here is another clustering question. Is there
anything available in R that I can cluster groups with
overlaps? It looks like a Venn Diagram with two or
more circles overlapping one another.
I realize that
I'm trying to apply the function assign( ) to a subset of a matrix, but it
doesn't work...
i.e.
example-matrix(nrow=5,ncol=5)
assign(example[c(1,3),],matrix(1:10,nrow=2,ncol=5))
but matrix example doesn't change ( get(example[c(1,3),]) is not useful to
me)...how can I do this assignment?
example-matrix(nrow=5,ncol=5)
example[c(1,3),]-matrix(1:10,nrow=2,ncol=5)
Marco Venanzi wrote:
I'm trying to apply the function assign( ) to a subset of a matrix, but it
doesn't work...
i.e.
example-matrix(nrow=5,ncol=5)
assign(example[c(1,3),],matrix(1:10,nrow=2,ncol=5))
but matrix
Those don't look like valid paths to config files to me. On FC3 they
would be
/usr/lib/tclConfig.sh
/usr/lib/tkConfig.sh
So even if you have users tcl-8.4.12 and tk-8.4.12 (do you?), your paths
are almost surely not to config files.
Configure reports what works, including that it is not
Please excuse the lack of a complete dataset here, if its needed I'll be
happy to provide it.
Can anyone show me how to rewrite this?
Browse[1] time(data)[24210:24220]
[1] 24.209 24.210 24.211 24.212 24.213 24.214 24.215 24.216 24.217
[10] 24.218 24.219
Browse[1] which(time(data)==24.211)
On Fri, 2006-02-03 at 10:41 -0500, tom wright wrote:
Please excuse the lack of a complete dataset here, if its needed I'll be
happy to provide it.
Can anyone show me how to rewrite this?
Browse[1] time(data)[24210:24220]
[1] 24.209 24.210 24.211 24.212 24.213 24.214 24.215 24.216 24.217
Is there a mechanism to interate through a vector of strings? Say I
have a data frame of 50 variables (VAR1 to VAR50), each with 100
measurements along with some coding factors (EXP and DOSE). I want to
calculate the mean of a subset of each of VAR1 to VAR 50 (selecting
by EXP and DOSE).
bill,
what kind of modeling are you talking about? based on your desc on SAS, you
are doing general linear model, aren't you?
Frank gave you a great suggestion of using shrinkage methods, such as lasso,
instead of stepwise/backforward/forward methods. But no matter shrinkage or
stepwise, both
If I calculate a transition probability matrix, first order markov 12x12
or second order 144x144 from musical pitch classes (0-11), is it possible
to generate pitch class strings similar as those original strings using
those probability matrix with R? If, how?
Atte Tenkanen, Turku, Finland
?apply
as in:
answer-apply(yourframe,2,function(x)x[EXP==1 DOSE==1])
Note that there are slicker ways to do this call.
Note also for that for the particular case of column means, you have a
built-in much faster alternative:
answer-colMeans(yourframe[EXP==1 DOSE==1,],na.rm=TRUE)
Also note
On Fri, 3 Feb 2006, Peter Dalgaard wrote:
Martin Maechler [EMAIL PROTECTED] writes:
Martyn R is designed to run from its build directory. But
Martyn if your sysadmin installs it with make install (as
Martyn root), then the shell wrapper that is installed in
Martyn
Dear R Helpers
I am trying to get function smedian.hilow to work using Hmisc summarize
on variable conc in dataframe pkindivmtd by time and dose using:
attach(pkindivmtd)
sconc - summarize(conc,llist(time,dose),smedian.hilow)
I get the error message
Erreur dans 1:nrow(X) : argument NA / NaN
I'm statistician
I have thesis : Tobit Regression
my book : Greene, William H. 1997. Econometric Analysis. Third
Edition, prentice Hall
Is there the program in R ?
may I ask the manual how make the program? and also how to test the assumption ?
If there are anyone have Amemiya journal may I asked
Hi,
Could you help me to install the rgl package on Solaris 10 x86?
I tried and got the following error messages.
When I compiled my R as 64bit, I used the SUN ProW compilers.
However, gcc seems to being used below as well as missing some information.
Thank you in advance,
Dongseok
On 2/3/2006 6:37 PM, Dongseok Choi wrote:
Hi,
Could you help me to install the rgl package on Solaris 10 x86?
No, but there have been a lot of changes to it since the last upload to
CRAN. You might want to grab a new copy from
http://rgl.neoscientists.org/About.html by getting the
R-help
My thanks goes out to all who responded to this. I am tying to avoid
burdening the sysadmin with this project so I opted for the simple fix of
modifying the shell script. My aim here is to build the libraries in my
local directory and copy those as needed to /usr/local/lib/R/library. I
I agree: The lmer weights argument seems not to have any effect. To
check this, I modified the first example in the lmer documentation as
follows:
Sleep - sleepstudy
Sleep$wts - 1:180
(fm1 - lmer(Reaction ~ Days + (Days|Subject), Sleep))
(fm1w - lmer(Reaction ~ Days +
There are multiple functions for density estimation in R, but I don't
know of any for estimating a monotonically decreasing density. If you
haven't already, I encourage you to use, e.g., the help.search and
RSiteSearch functions to find and explore their capabililties.
Why
The documentation for constrOptim says it has a ... argument,
which can contain Other arguments passed to 'optim', which will pass
them to 'f' and 'grad' if it does not used them. I routinely get an
estimated hessian from 'optim' just by specifying the argument
'hessian=TRUE'. This
I made my own RUnit testing convention, and I want to introduce this to one
of my friends.
Before that, I'd like to review my codes.
The problem that I met when I tried to polish my codes is: How can I get the
file path in the file???
I.e., I want to get the path to the file that I'm writing
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