On Fri, 8 Oct 2004, Peter Flom wrote:
I'd like to thank John Fox and Chuck Cleland for their help in resovling
this issue. It turned out to be something simple, but perhaps others
have had similar problems
In my original data frame, I had 4 categories of race/ethnicity. One of
the
On Fri, 8 Oct 2004, Tuszynski, Jaroslaw W. wrote:
[...]
Finally a question: I still need to get moving windows mad function
faster my runmad function is not that much faster than apply/embed combo,
and that I used before, and this is where my code spends most of its time. I
need
On Sat, Oct 09, 2004 at 09:03:23AM +0800, Neil Leonard wrote:
I think this is a pretty basic statistic question:
If I have a variable which has 4 factors how can I add it to a coxph
model? I have other variables added which have digits 1-4 instead of
four factors. If I recode the variable
Hi,
I cannot go through the archives with which() as key-word... so common. Though I am
sure to have seen something about this subject
in the past could somebody put me on the track. I have a matrix (actually a
data.frame) in which I would replace the non-null values
by 1.
I tried the
Prof Brian Ripley [EMAIL PROTECTED] 10/09/04 3:18 AM asked
How did you use `glm or lm' for an order factor response? An empty
factor
level will certainly cause glm problems, depending which one it is.
An empty level will always cause polr problems, as there is no MLE under
those
Dear all,
this is somewhat off-topic, but given the audience of this
mailling list this might interest some people here.
I have imported under R the data used in 2004 by Liu et al.
from Shanghai Jiao Tong University to build their Academic
Ranking of World Universities, see:
Use the index vector directly, rather than breaking it up:
x - matrix(sample(30), 10, 3)
idx - which(x 25, arr.ind=TRUE)
idx
row col
[1,] 6 1
[2,] 9 1
[3,] 4 2
[4,] 6 2
[5,] 4 3
x[idx] - 999
x
[,1] [,2] [,3]
[1,]7 14 16
[2,] 20 248
[3,] 17
Hello:
I first tried it by using ./configure with the source files, but
found that there is a huge problem with the gcc-g77 package, then I
tried using the RPM obtained from CRAN, getting the following, the first
of which appears to be another manifestation of the g77 problem:
linux:/tmp
Dear Peter,
-Original Message-
. . .
The analyses were part of a paper I am writing, illustrating
that, when the DV is oddly distributed (the DV in question
was a count, with many 0's, and a long right tail) that the
'usual' methods not only are wrong for statisically reasaons
Thanks for the clue.
Actually the trouble comes when refering to a data.frame. If I use the matrix from the
data.frame (matrix(mydataframe)), everything
goes smoothly...
So I wrote:
indices-which(myforetbin 0,arr.ind=T)
myforetbin-as.matrix(myforetbin)
myforetbin[indices]-1
Hi,
I am trying to convert a data.frame of numerics (this could be a matrix as well in
this case) into a data.frame of factors.
I did it in a way that is less than direct...
myforet2-t(myforet)
for (i in 1:length(myforet2[1,])) {
if (i == 1)myforetfact-list(as.factor(myforet2[,i]))
R CMD check now balks at my inst directory. It contains a single folder
doc, but apparently any folder causes the problem. If inst is empty,
the project checks OK. This was not a problem before 1.9. I've checked
the documentation, but don't see a change. What am I missing.
--
Bob Wheeler ---
On Sat, 9 Oct 2004, Patrick Giraudoux wrote:
mydf[] - lapply(mydf, as.factor)
would appear to be what you want.
For a matrix, I presume you want a factor matrix as the result. Something
like
my - matrix(1:12, 3, 4)
dmy - dim(my)
my - as.factor(my)
dim(my) - dmy
my
which does not print as a
More and more R packages come with a corresponding article in the
Journal
of Statistical Software (www.jstatsoft.org). Achim Zeileis, our
TeXnical Editor, has recently contributed jss style files for issues,
bookreviews, software reviews, and code snippets. They can be
downloaded from
The verification package has recently been posted to CRAN. This package
was initially developed by people in the Verification Group at the
National Center for Atmospheric Research to verfiy and study weather
models and forecasts. It has been written in general terms to be
applicable to other
Hello guys.
I've built and uploaded to CRAN an R interface to MINPACK Fortran library,
which solves non-linear least squares problem by modification of the
Levenberg-Marquardt algorithm. The package includes one R function, which
passes all the necessary control parameters to the
On Sat, 9 Oct 2004, Bob Wheeler wrote:
R CMD check now balks at my inst directory. It contains a single folder
doc, but apparently any folder causes the problem. If inst is empty,
the project checks OK. This was not a problem before 1.9. I've checked
the documentation, but don't see a
This work perfectly with a data.frame. Actually my so-called data.frame was an
output of t(), and thus not a data.frame (what I
realise after trying Prof. Ripley's example). If applied to an output of t() (eg
t(df)), the result is quite unxpected (to me): a
strange list of 989 elements, each of
Hi!
Does anybody know if there is any way to do clustering of variables?
Thank you in advance,
Clara.
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PLEASE do read the posting
There is also an code which is more faithful (?) to the original
one by S. Aoki although it is in a Japanese HP
http://aoki2.si.gunma-u.ac.jp/R/face.html
Quality? Judge yourself!
Wolfram Fischer wrote:
Kenneth == Kenneth Cabrera [EMAIL PROTECTED] writes:
Kenneth Hello everybody: Does any one has a
John Fox wrote
From your description, it seems possible that there are too many zeros
for a Poisson or negative-binomial model. Since the focus of your paper
is the methodology, you might want to try a zero-inflated Poisson or
negative-binomial model. Though I haven't tried them, I'm aware of two
there does not seem to be a package tcltk on CRAN for 2.0.0.
I have successfully installed the same package for 1.9.1.
In essence I require the package for a GUI interface to setwd.
All work fine with 1.9.1.
This is on a Linux Debian unstable kernel 2.4.20
The build version of R 2.0.0 (issuing
I have the following contingency table
dat - matrix(c(1,506,13714,878702),nr=2)
And I want to test if their is an association between events
A:{a,not(a)} and B:{b,not(b)}
| b | not(b) |
+-++
a | 1 | 13714 |
+-++
not(a) | 506 |
Why can't I just use Log odds? Does the standard error of the logs score
depend on a similar chisq assumption?
On Sat, 9 Oct 2004, Dan Bolser wrote:
I have the following contingency table
dat - matrix(c(1,506,13714,878702),nr=2)
And I want to test if their is an association between events
Dear R-helpers,
I ran the following little test on RSQLite and got the
data below from the query. Unless I've made some
mistake, the results of both the where and order by
statements have problems:
library(RSQLite)
con-dbConnect(dbDriver(SQLite),dbname=test)
data(USArrests)
Dan,
I don't know what is the theory behind this hybrid option and what
consists the Cochran conditions.
However, I think even if you suppose the asymptotic distribution is not
too accurate, because your sampled 1, there is a too strong association
of A and B, as this can be noticed by
Mikkel Grum wrote:
Dear R-helpers,
I ran the following little test on RSQLite and got the
data below from the query. Unless I've made some
mistake, the results of both the where and order by
statements have problems:
This is due to the fact that SQLite as of version 2.8 is typeless
and
On Sat, 9 Oct 2004, Jean Eid wrote:
there does not seem to be a package tcltk on CRAN for 2.0.0.
It is part of the R tarball, so library(tcltk) should do something.
It has never been on CRAN, to my knowledge. See the R FAQ 5.1.1
(as the posting guide suggests).
--
Brian D. Ripley,
Dan Bolser wrote:
I have the following contingency table
dat - matrix(c(1,506,13714,878702),nr=2)
And I want to test if their is an association between events
A:{a,not(a)} and B:{b,not(b)}
| b | not(b) |
+-++
a | 1 | 13714 |
+-++
not(a) |
clara gonçalves wrote:
Hi!
Does anybody know if there is any way to do clustering of variables?
Thank you in advance,
varclust() in Hmisc
Kjetil
Clara.
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Use matrix indexing, instead of generating the index vector:
x - as.data.frame(x)
x[x 25] - -999
x
V1 V2 V3
1 7 14 16
220 248
317 18 11
419 -999 -999
5234 15
6 -999 -9995
7219 12
82223
9 -999 131
106 10
Rene Bertin wrote:
Hello,
This is a usage question for others with experience of R under the
Aqua Mac OS
X interface.
Basically, I don't succeed in importing PDF files (created with the
'Save As'
menu to Quartz device windows) into Illustrator. Versions up to (and
including?) 10 loose
Does anyone know of a list of functions that R already knows? I can't seem to
find this anywhere in the help documentation. For example, I want to count the
number of occurences of a certain value in a column of a data frame: What do I
have to do to tell R to Count?
Thanks,
Ben Osborne
--
On Sat, 9 Oct 2004 18:12:20 -0400, Benjamin M. Osborne
[EMAIL PROTECTED] wrote:
Does anyone know of a list of functions that R already knows? I can't seem to
find this anywhere in the help documentation. For example, I want to count the
number of occurences of a certain value in a column of a
Dear Sir/Madam:
I'm currently running R 1.9.1 on a Mac OS 10.3. I have been able to
use it fine for a while now. But for some reason, it now crashes
each time I open it with the error: Fatal error: unable to restore
saved data in .Rdata
I read on the online help forum that I can just delete the
Hi,
I am trying to install the genetics package on a server with Linux,
Fedora. I installed it in a PC and worked fine.
In a server since I am not used with R, I am not sure what do I need to
change so genetics pkg can see some package dependencies:
Any suggestion is appreciated, Aldi
Note:
On Sat, Oct 09, 2004 at 12:36:51PM -0400, Jean Eid wrote:
there does not seem to be a package tcltk on CRAN for 2.0.0.
I have successfully installed the same package for 1.9.1.
In essence I require the package for a GUI interface to setwd.
All work fine with 1.9.1.
This is on a Linux
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