Suppose I have two sets of (x,y) points like this:
x1-runif(n=10)
y1-runif(n=10)
A-cbind(x1,y1)
x2-runif(n=10)
y2-runif(n=10)
B-cbind(x2,y2)
I would like to measure how similar the two sets of points are.
Something like a correlation coefficient, where 0 means the two
patterns are unrelated,
(apologies for the cross-posting, and for this being a more general
stats question rather than a specific-to-R one. I assure you I will be
doing the actual analysis in R :)
I am trying to determine the distribution and variance for a classic
stochastic (transition) matrix problem such that:
Hi List!
I had enquired about the above few days back and did not get an answer. So I
am asking again. Thanks.
I have built a program for fuzzy inference using the sets package.
Though there are no errors after defuzzifying using gset_defuzzify()
command, the output after using the centroid
MSP Stat wrote:
Hi List!
I had enquired about the above few days back and did not get an answer. So I
am asking again. Thanks.
Perhaps you should read the posting guide at first (and each R-help
message contains the footer):
PLEASE do read the posting guide
R_help Help wrote:
Hi,
I have the following string that I converted to a POSIXct:
a - 2009-08-24 10:00:00.213
a.p - strptime(a,%Y-%m-%d %H:%M:%OS)
as.double(as.POSIXct(a.p))
[1] 1251122400
I can't seem to get the decimal fraction of .213 out by casting to
double or numeric. Is there
On Sun, 2009-08-30 at 07:51 +0100, William Simpson wrote:
Suppose I have two sets of (x,y) points like this:
x1-runif(n=10)
y1-runif(n=10)
A-cbind(x1,y1)
x2-runif(n=10)
y2-runif(n=10)
B-cbind(x2,y2)
I would like to measure how similar the two sets of points are.
Something like a
Hi Jonathan,
contributing to your poll: Also Emacs+ESS on Linux.
Uli
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented,
Hello,
On 8/30/09, Uli Kleinwechter ulikleinwech...@yahoo.com.mx wrote:
contributing to your poll: Also Emacs+ESS on Linux.
Could someone give a brief and subjective overview of ESS. I notice
that many people use it, and many describe it as the tool for the
power user. As far as I'm concerned,
Bill, Jim
One word. Thanks tons! :-)
2009/8/13 bill.venab...@csiro.au:
Why do you need an explicit loop at all?
(Also, your loop goes over i in 1:length(cam$end_date) but your code refers
to cam$end_date[i+1] --||--!!)
Here is a suggestion. You want to identify places where the date
Try this:
options(digits = 20)
as.double(as.POSIXct(a.p))
[1] 1251122400.213
On Sat, Aug 29, 2009 at 11:37 PM, R_help Helprhelp...@gmail.com wrote:
Hi,
I have the following string that I converted to a POSIXct:
a - 2009-08-24 10:00:00.213
a.p - strptime(a,%Y-%m-%d %H:%M:%OS)
hadley wickham wrote:
Perhaps most of you have already seen this?
http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html
Comments/Critiques?
I made my own version that reflects my personal biases:
http://had.co.nz/stat405/resources/r-style-guide.html
thanks for sharing,
On Sun, Aug 30, 2009 at 10:46 AM, Bernardo Rangel
Turat...@centroin.com.br wrote:
On Sun, 2009-08-30 at 07:51 +0100, William Simpson wrote:
Suppose I have two sets of (x,y) points like this:
x1-runif(n=10)
y1-runif(n=10)
A-cbind(x1,y1)
x2-runif(n=10)
y2-runif(n=10)
B-cbind(x2,y2)
I
Hi all,
Does anybody know the meaning of the values 0 - 1, for each variable from
data sex2 avaible from the package logistf?
Thanks in advance.
Best,
Caio
[[alternative HTML version deleted]]
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No need to repost the question. We read it.
Have you looked at ?sex2 ?
If that is not sufficient, have you looked into the cited reference?
If that is also not sufficient, please ask the package maintainer.
Uwe Ligges
Caio Azevedo wrote:
Hi all,
Does anybody know the meaning of the values 0
Folks,
I have this code fragment:
set.seed(1001)
x - c(0.79211363702017, 0.940536712079832, 0.859757602692931,
0.82529998629531,
0.973451006822, 0.92378802164835, 0.996679563355802,
0.943347739494445, 0.992873542980045, 0.870624707845108,
0.935917364493788)
range(x)
Thank you for your reply, it helped. That thread is about glm, I take it that
lrm behaves in the same way?!?
See:
https://stat.ethz.ch/pipermail/r-help/2009-July/204192.html
and also other posts in that thread.
--
View this message in context:
Hello,
I'm using PLD Linux and in my opinion, if you looking for very easy editor -
Geany!!! It'll be fantastic ;)
--
View this message in context:
http://www.nabble.com/Best-R-text-editors--tp25178744p25210782.html
Sent from the R help mailing list archive at Nabble.com.
Hi,
For example:
I built a half matrix w using a daisy(x, metric = c(euclidean))
http://www.nabble.com/file/p25211016/1.jpg
And next I transformed this matrix w using isoMDS function, for example
isoMDS(w, k=2) and as result I got:
http://www.nabble.com/file/p25211016/2.jpg
And now I have a
Uli Kleinwechter wrote:
Hi Jonathan,
contributing to your poll: Also Emacs+ESS on Linux.
same here
J
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PLEASE do read the posting guide
Dear R users,
There is a new version (1.5-1) of the Rcmdr package. Here, from the CHANGES
files, are changes since the last minor version (1.4-0) was released a year
ago:
---
Version 1.4-1
o The following updated translations have been
On 8/30/09, Grzes gregori...@gmail.com wrote:
I'm using PLD Linux and in my opinion, if you looking for very easy editor -
Geany!!! It'll be fantastic ;)
Yeah, Geany is very simple and comfortable. But there is no direct
link to R, and not being able to evaluate code on the fly is a
Hi list, recently, for didactic reasons, I had the need to change a cluster
topology (just the order of my groups, defined in an height of choice), not
the results, obviously. Well Im looking at hclust or agnes (cluster
package) objects for something that defines the line breakings of the
Well, on Linux = Emacs+ Ess
On Windows = Tinn-R
-
MSc. Rodrigo Aluizio
Centro de Estudos do Mar/UFPR
Laboratório de Micropaleontologia
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R-help@r-project.org mailing list
Using R 2.9.2 on Windows XP SP3.
1. Edit ~/Rconsole, and set
font = TT Bitstream Vera Sans Mono
2. Start Rgui.exe
3. Go to Edit, GUI Preferfences
4. Rgui.exe crashes
Rgui.exe does not crash if I do not access GUI Preferences (i.e., if I just use
R), and it does correctly use Bitstream Vera
Bill,
prod( cancor( A,B )$cor )
perhaps?
Note that this accounts for linear transformations.
HTH,
Chuck
On Sun, 30 Aug 2009, William Simpson wrote:
Suppose I have two sets of (x,y) points like this:
x1-runif(n=10)
y1-runif(n=10)
A-cbind(x1,y1)
x2-runif(n=10)
y2-runif(n=10)
Gabor Grothendieck ggrothendieck at gmail.com writes:
URLdecode.vec - Vectorize(URLdecode)
On Sat, Aug 29, 2009 at 10:31 AM, Jack Tannerihok at hotmail.com wrote:
Could URLdecode be modified to actually process all elements of the vector,
not just the first?
Sure, that's a fine
Are you using euclidean distances?
On Sun, Aug 30, 2009 at 7:33 AM, Grzesgregori...@gmail.com wrote:
Hi,
For example:
I built a half matrix w using a daisy(x, metric = c(euclidean))
http://www.nabble.com/file/p25211016/1.jpg
And next I transformed this matrix w using isoMDS function, for
Hi,
Does anybody have a hint why this does not work?
plot(c(1991,2000), c(-1,10))abline(a=6, b=-1, col=dark grey, lty=dashed)
It does not generate an error message, but the line does not turn up.
If b=0 it works fine. If I change the axes of the plot to
plot(c(1,10), c(-1,10)) it does work
Presumably the same idea would apply to lrm if
appropriately adapted.
On Sun, Aug 30, 2009 at 5:19 AM, loch1l...@gmx.li wrote:
Thank you for your reply, it helped. That thread is about glm, I take it that
lrm behaves in the same way?!?
See:
Very simple, look at the x-axis you are plotting with. If you want
the line, then use:
abline(a=1996, b=-1, col=dark grey, lty=dashed)
On Sun, Aug 30, 2009 at 12:25 PM, Gábor Pozsgaipozsg...@gmail.com wrote:
Hi,
Does anybody have a hint why this does not work?
plot(c(1991,2000),
The intercept, a, is the value when x = 0. Thus if you want y = 6
when x = 1991 then the line is y = 6 - (x-1991) = 1997 - x so a = 1997:
abline(a=1997, b=-1, col=dark grey, lty=dashed)
On Sun, Aug 30, 2009 at 12:25 PM, Gábor Pozsgaipozsg...@gmail.com wrote:
Hi,
Does anybody have a hint
On 30/08/2009 11:40 AM, Jack Tanner wrote:
Using R 2.9.2 on Windows XP SP3.
1. Edit ~/Rconsole, and set
font = TT Bitstream Vera Sans Mono
2. Start Rgui.exe
3. Go to Edit, GUI Preferfences
4. Rgui.exe crashes
Rgui.exe does not crash if I do not access GUI Preferences (i.e., if I just use
R),
Here are some options for confidence intervals.
#by hand
sample_r - .5
n_sample - 100
df - n_sample-1
fisher_z - 0.5*(log(1+sample_r)-log(1-sample_r))
se_z - 1/sqrt(n_sample-3)
t_crit - qt(.975,df ,lower.tail=TRUE)
z_lci - fisher_z - (t_crit * se_z)
z_uci - fisher_z + (t_crit * se_z)
(r_lci -
emacs + ess in windows is just as powerful as in linux.
emacs is the only programming editor i would ever need.
On Sun, Aug 30, 2009 at 11:37 AM, Rodrigo Aluizio r.alui...@gmail.comwrote:
Well, on Linux = Emacs+ Ess
On Windows = Tinn-R
Hi all,
Suppose I have some data that I plot using the histogram command - ie.
hist(x)
Is there an option that will allow me to remove the numbers that appear
along the X and Y axis as I'm just interested in the overall distribution of
the data and not the actual values? Anyways, any help is
Hi njhuang86,
Something like this?
x - rnorm(100)
hist(x, axes = FALSE)
HTH,
Jorge
On Sun, Aug 30, 2009 at 2:30 PM, njhuang86 njhuan...@yahoo.com wrote:
Hi all,
Suppose I have some data that I plot using the histogram command - ie.
hist(x)
Is there an option that will allow me to remove
Hi all,
I'm currently using the 'rpart' function to run some regression analysis and I
am at the point where I wish to prune my overfitted trees. Having read the
documentation I understand that to do this requires the use of the complexity
parameter. My question is how to go about choosing
Yes, I'm using euclidean distances
--
View this message in context:
http://www.nabble.com/about-isoMDS-method-tp25211016p25213217.html
Sent from the R help mailing list archive at Nabble.com.
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Le dimanche 30 août 2009 à 18:43 +0530, Ajay Shah a écrit :
Folks,
I have this code fragment:
set.seed(1001)
x - c(0.79211363702017, 0.940536712079832, 0.859757602692931,
0.82529998629531,
0.973451006822, 0.92378802164835, 0.996679563355802,
0.943347739494445,
Hello all,
I am trying to use computer modern fonts in my r grahics. I tried to do,
as described here: http://www.stat.auckland.ac.nz/~paul/R/CM/CMR.html
but unfortunately, it does not work.
First of all I downloaded the cm-lgc package and the AFM and PFB-files
from the page and put them in
Hi
Friedericksen Hope wrote:
Hello all,
I am trying to use computer modern fonts in my r grahics. I tried to do,
as described here: http://www.stat.auckland.ac.nz/~paul/R/CM/CMR.html
but unfortunately, it does not work.
First of all I downloaded the cm-lgc package and the AFM and
Hello,
I get
summary(E)
level nodesave_nodestime
Min. : 1 Min. :1.00 Min. : 10.71 Min. : 0.
1st Qu.: 237414 1st Qu.:2.00 1st Qu.: 19.70 1st Qu.: 0.0100
Median : 749229 Median :3.00 Median : 27.01
Has a test for bimodality been implemented in R?
Thanks, John
NIWA is the trading name of the National Institute of Water Atmospheric
Research Ltd.
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PLEASE do read the
On 30/08/2009 5:39 PM, Oliver Kullmann wrote:
Hello,
I get
summary(E)
level nodesave_nodestime
Min. : 1 Min. :1.00 Min. : 10.71 Min. : 0.
1st Qu.: 237414 1st Qu.:2.00 1st Qu.: 19.70 1st Qu.: 0.0100
Median :
On 30/08/2009 11:40 AM, Jack Tanner wrote:
Using R 2.9.2 on Windows XP SP3.
1. Edit ~/Rconsole, and set
font = TT Bitstream Vera Sans Mono
2. Start Rgui.exe
3. Go to Edit, GUI Preferfences
4. Rgui.exe crashes
Rgui.exe does not crash if I do not access GUI Preferences (i.e., if I just use
R),
Hi,
I need a bit of guidance with the sapply function. I've read the help
page, but am still a bit unsure how to use it.
I have a large data frame with about 100 columns and 30,000 rows. One
of the columns is group of which there are about 2,000 distinct groups.
I want to normalize (sum
Hello,
I'm using the svm function from the e1071 package.
It works well and gives me nice results.
I'm very curious to see the actual coefficients calculated for each
input variable. (Other packages, like RapidMiner, show you this
automatically.)
I've tried looking at attributes for the
On 31/08/2009, at 9:40 AM, John Sansom wrote:
Has a test for bimodality been implemented in R?
Doing RSiteSearch(test for bimodality) yields one hit,
which points to
http://finzi.psych.upenn.edu/Rhelp08/2008-September/173308.html
It looks like it might be *some* help to you.
On Sun, 2009-08-30 at 09:40 -0700, Grzes wrote:
Yes, I'm using euclidean distances
Sorry I deleted the original. Here a some responses;
First, to be concrete, here is a reproducible example...
set.seed(123)
D - data.frame(matrix(rnorm(100), ncol = 10))
Dij - dist(D)
require(MASS)
Dnmds -
Hello dear R-help group (and David Smith from REvolution),
I would like to perform parallel computing using R with Condor (hopefully
using foreach or other recommended solutions, if available) for some
Embarrassingly parallel problem.
I will start by listing what I found so far, and then go on
Try this:
data$score - ave(data$score, data$group, FUN = prop.table)
On Sun, Aug 30, 2009 at 6:08 PM, Noah Silvermann...@smartmediacorp.com wrote:
Hi,
I need a bit of guidance with the sapply function. I've read the help page,
but am still a bit unsure how to use it.
I have a large data
On 30/08/2009 6:08 PM, Noah Silverman wrote:
Hi,
I need a bit of guidance with the sapply function. I've read the help
page, but am still a bit unsure how to use it.
I have a large data frame with about 100 columns and 30,000 rows. One
of the columns is group of which there are about
Dear List,
I am analyzing the home range area of fish and seem to have lost the
individuals ID names during my manipulations, and can't find out how to rename
them. I calculated the MCP of the fish using mcp() in Adehabitat. MCP's were
converted to spatial points data frame and exported to
Dear John,
you may check dip in package diptest, which tests unimodality vs.
multimuodality (you'll need qDiptab for that, too).
Apologies if this misses the point; I only saw the last responses but not
the original question so this may not be what you are after, or already
mentioned, but I
CRAN (and crantastic) updates this week
New packages
Updated packages
New reviews
---
This email provided as a service for the R community by
http://crantastic.org.
Like it? Hate it? Please let us know: crana...@gmail.com.
On Sun, Aug 30, 2009 at 5:08 PM, Noah Silvermann...@smartmediacorp.com wrote:
Hi,
I need a bit of guidance with the sapply function. I've read the help page,
but am still a bit unsure how to use it.
I have a large data frame with about 100 columns and 30,000 rows. One of
the columns is
Hi,
I have a couple of aggregation operations that I don't know how to
accomplish. Let me give an example. I have the following irregular
time series
time x
10:00:00.021 20
10:00:00.224 20
10:00:01.002 19
10:00:02:948
Hi,
On Sun, Aug 30, 2009 at 6:10 PM, Noah Silvermann...@smartmediacorp.com wrote:
Hello,
I'm using the svm function from the e1071 package.
It works well and gives me nice results.
I'm very curious to see the actual coefficients calculated for each input
variable. (Other packages, like
Try this for the first question:
neighborapply - function(z, width, FUN) {
out - z
ix - seq_along(z)
jx - findInterval(time(z) + width, time(z))
out[] - mapply(function(i, j) FUN(c(0, z[seq(i+1, length = j-i)])),
ix, jx)
out
}
# test - corrected :948 in
Hi,
I am using RExcel both at work and at home and am facing a couple of
challenges. The one at home is that when using RExcel and trying to run any
code that involves changing the working directory, I get the following
error.
Error in command:
setwd(C:\\Raoul\\R\\R Maps_UK
Hi,
I have two quadratcounts of two different sets of spatial locations in the
UK. I then take the difference of these to produce a final quadratcount. In
this final quadratcount some values can be negative (if there where more in
the first count) or positive (if there where more in the second).
There's also a page on the R-Wiki devoted to the colection of editors :You'll
find it in the section Windows GUI + other
editorshttp://wiki.r-project.org/rwiki/doku.php?id=getting-started:system-setup:system-setups=editorWolfgang-
Message d'origine -De: Liviu Andronic
Hi,
I was hoping to clarify the exact behavior associated with this incantation:
validate(fit.ols, method='cross', B=50)
Output:
index.orig trainingtest optimism index.corrected n
R-square 0.5612 0.5613 0.5171 0.0442 0.5170 50
MSE 1.3090 1.3086
1. The embedded blanks often cause problems. Try the 8.3 version of the
filepath. To find the 8.3 name, open an MSDOS cmd window and enter
dir /x 'C:\\Raoul\\R
There will be a line something like
RMAPS_~1 R Maps_UK Maps_Test
Use the value that appears in the RMAPS_~1 position.
2. try
If you are trying to use Computer Modern fonts because the R graphics will
be included in a LaTeX report, you could try the TikZ Device Cameron Bracken
and I wrote:
http://r-forge.r-project.org/projects/tikzdevice
The tikzDevice translates R graphics instructions into a LaTeX-friendly
format that
Ah, thank you! (A bit strange.)
Now looking more closer to it, I wonder whether I could achieve
the following output formatting:
fivenum(E$nodes,1)
[1] 1 2 3 7 70632
round(mean(E$nodes),2)
[1] 49.85
That's a reasonable way of showing the numbers involved, since
E$nodes is
Hi all,
I am looking for low cost online education in statistics. I am thinking of
taking online classes on time series analysis and cointegration, etc.
Of course, if there are free video lectures, that would be great. However I
couldn't find any free video lectures at upper-undergraduate and
Hello,
I am working on the frailty model using coxph function. I am running
some simulations and want to store the variance of frailty (theta)
values from each simulation result. Can anyone help me how to extract
the theta values from the results. I appreciate any help.
Thanks
Shankar
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