I think I need to restate the problem. If the test data is only a vector,
then I am predicting one test sample. But the output from the predict result
has the same length as the training set. And there is a warning message
about this.
Annie
On Sat, Aug 8, 2009 at 2:52 PM, annie Zhang
Thanks to somebody I got the hint to use offset for the purpose of
validating if there's
a difference between the intercept and slope of a model and some
provided values for
the coefficients intercept and slope.
I read ?model.offset and I'm still struggling to use it for my
purpose. If I
On Sat, 8 Aug 2009, Katharina May wrote:
Thanks to somebody I got the hint to use offset for the purpose of
validating if there's
a difference between the intercept and slope of a model and some
provided values for
the coefficients intercept and slope.
You could also use a Wald test for a
annie Zhang wrote:
Hi, Milton,
Thank you for the reply. I tried, but it seems the problem is the column
name of the test data is not the same as the column name of the training
data. I didn't give the column name, the system seemed do. How to chang
here?
Annie
On Fri, Aug 7, 2009
Submitted for perusal, comment, improvements, and/or critique.
The presentation is in 3 sections: motivation, code, and comment.
Motivation:
As a new-comer to R from matrix oriented Gauss and Mata, I miss the
tools for using a vector (and operator) to
Steven Rytina wrote:
Submitted for perusal, comment, improvements, and/or critique.
The presentation is in 3 sections: motivation, code, and comment.
Motivation:
As a new-comer to R from matrix oriented Gauss and Mata, I miss the
tools for using a vector
- Original Message -
From: Peter Dalgaard p.dalga...@biostat.ku.dk
To: Steven Rytina, Prof. steven.ryt...@mcgill.ca
Cc: r-help@r-project.org
Sent: Sunday, August 09, 2009 6:35 AM
Subject: Re: [R] binary operators that implement row and column sweeps of
matrices by vectors
Steven
Could you provide a reproducible example?
On Thu, Aug 6, 2009 at 10:59 AM, sedm1000gdo...@mit.edu wrote:
This may be a simple problem, but I am looking to select a subset of rows
from a dataframe that will have the same parameters as all the rows in
another dataframe.
e.g. I have a 500 row
Duncan,
Thanks a lot! it sorted out the problem. I was too worried about learning
how to use sweave that forgot to try other things :-)
Teysseyre, I saw this doc but my table was large in width like almost not
fitting the paper size..
Its better now but I wonder how to make better tables using
latex() in the Hmisc package can group rows using rgroup= and n.group=
arguments.
On Sun, Aug 9, 2009 at 9:08 AM, Welma Pereirawelma.pere...@gmail.com wrote:
Duncan,
Thanks a lot! it sorted out the problem. I was too worried about learning
how to use sweave that forgot to try other things :-)
Hi again,
one last annoying thing: how to deal with %, always when I use sweave to get
a latex document the % comes as a comment and I cannot have % in my tables,
how to sort out this annoying detail?
thanks!
Regards
Welma
2009/8/9 Gabor Grothendieck ggrothendi...@gmail.com
latex() in the
See the sanitize.* arguments to print.xtable.
On Sun, Aug 9, 2009 at 10:16 AM, Welma Pereirawelma.pere...@gmail.com wrote:
Hi again,
one last annoying thing: how to deal with %, always when I use sweave to get
a latex document the % comes as a comment and I cannot have % in my tables,
how to
Thank you but just fyi, the lines() and points() approach proposed by
Jean earlier solved the problem. Thanks all once again.
On Sat, Aug 8, 2009 at 7:49 PM, Felipe Carrillomazatlanmex...@yahoo.com wrote:
Try this, it plots two points ahead based on the existing data of a month
apart.
#
Hi,
I know '.' is not a separator in R as in C++. I am wondering where it
discusses the detailed usage of '.' in R. Can somebody point me a
webpage, a manual or a book that discuss this?
Regards,
Peng
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R-help@r-project.org mailing list
On 09-Aug-09 16:06:52, Peng Yu wrote:
Hi,
I know '.' is not a separator in R as in C++. I am wondering where it
discusses the detailed usage of '.' in R. Can somebody point me a
webpage, a manual or a book that discuss this?
Regards,
Peng
To the best of my knowledge, apart from its
On Sun, Aug 9, 2009 at 11:32 AM, Ted
Hardingted.hard...@manchester.ac.uk wrote:
On 09-Aug-09 16:06:52, Peng Yu wrote:
Hi,
I know '.' is not a separator in R as in C++. I am wondering where it
discusses the detailed usage of '.' in R. Can somebody point me a
webpage, a manual or a book that
Hi,
I' ve read in several files with measurements into R data frames(works
flawlessly). Each dataframe is named by the location of measurement and
contains hundreds of rows and about 50 columns like this
dataframe1.
date measurment_1 mesurement_n
1
2
3
..
..
..
n
For further processing I
Hi,
On Aug 9, 2009, at 11:29 AM, Frank Schäffer wrote:
Hi,
I' ve read in several files with measurements into R data frames(works
flawlessly). Each dataframe is named by the location of measurement
and
contains hundreds of rows and about 50 columns like this
dataframe1.
date measurment_1
I have two straightforward questions about linking in the man pages for R
packages:
First, is it possible to link from within parts of the documentation that are
not the \seealso section? For example, I would like to have something like:
\arguments{
\item{correlation}{an optional
On 09-Aug-09 16:53:32, Douglas Bates wrote:
On Sun, Aug 9, 2009 at 11:32 AM, Ted
Hardingted.hard...@manchester.ac.uk wrote:
On 09-Aug-09 16:06:52, Peng Yu wrote:
Hi,
I know '.' is not a separator in R as in C++. I am wondering where it
discusses the detailed usage of '.' in R. Can somebody
(Ted Harding) wrote:
On 09-Aug-09 16:53:32, Douglas Bates wrote:
On Sun, Aug 9, 2009 at 11:32 AM, Ted
Hardingted.hard...@manchester.ac.uk wrote:
On 09-Aug-09 16:06:52, Peng Yu wrote:
Hi,
I know '.' is not a separator in R as in C++. I am wondering where it
discusses the
Rebecca Sela wrote:
I have two straightforward questions about linking in the man pages for R
packages:
First, is it possible to link from within parts of the documentation that are
not the \seealso section? For example, I would like to have something like:
\arguments{
On 09-Aug-09 19:31:47, Duncan Murdoch wrote:
(Ted Harding) wrote:
[...]
Next -- and this is the real question -- how does R parse the name
summary.glm? In my naivety, I simply suppose that it looks for
an available function whose name is summary.glm in just the
same way as it looks for
## You can use get()
for ( i in 1:n) {
nm - paste('dataframe',i,sep='')
cat( ncol( get(nm)), 'columns in',nm,'\n') )
}
## or
nms - ls(pattern='dataframe')
for (nm in nms) cat( ncol(get(nm)) , 'columns in',nm,'\n') )
}
(Assuming I have balanced parantheses, that is --
my email software
Hi all, i purchased a copy of the book Morphometrics with R by Springer.
at the end of each chapter there are exercises to train what you just
read and (hope) learned...
so i have this problem:
Define a hypothetical data frame containing five measurments normally
Hi, All,
I am wondering if there is any package which can give the index of the k
nearest neighbors.
Thank you,
Cindy
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https://stat.ethz.ch/mailman/listinfo/r-help
Hi,
Following an example I've received from Phil Spector, I am trying to get
a remote file by using download file.
The concerned remote server doesn't username and password passed with
the URL, thus this line fails...
Please, accept my apologies for keeping posting in HTML format! Solved!
Greetings,
Ricardo
[Ricardo Rodriguez] Your XEN ICT Team wrote:
Hi,
Following an example I've received from Phil Spector, I am trying to get
a remote file by using download file.
The concerned remote server doesn't
Hi R-helpers.
#I start with the reproducible example:
firm-c(rep(1,10),rep(2,10),rep(3,10),rep(4,10),rep(5,10))
year-c(rep(1998:2007,5))
industry-c(rep(1,20),rep(5,10),rep(7,10),rep(9,10))
X1-rnorm(50)
X2-rnorm(50,mean=0.5,sd=0.1)
Y-rnorm(50,mean=0,sd=0.5)
data-data.frame(firm,
Hi cindy,
depends on your data type. It it is points, give a look at spatstat package.
bests
milton
On Sun, Aug 9, 2009 at 5:03 PM, cindy Guo cindy.g...@gmail.com wrote:
Hi, All,
I am wondering if there is any package which can give the index of the k
nearest neighbors.
Thank you,
Your data has 2 points per regression for each year in industry 1 and
only one point per regression for the other industries so one would
expect many NAs:
table(data[c(industry, year)])
year
industry 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
1222222
Hi
I don't have a Mac, but looking at the source, it seems that
Times-Roman is the default serif family, so something like ...
quartz(family=serif)
... might get you what you want(?)
Paul
Daniel J Farrell wrote:
Dear r-help,
I am using R for MacOS (R 2.9.1 GUI 1.28 Tiger build 32-bit
-Original Message-
From: r-help-boun...@r-project.org
[mailto:r-help-boun...@r-project.org] On Behalf Of Fabio Murtas
Sent: Sunday, August 09, 2009 1:51 PM
To: R-help@r-project.org
Subject: [R] problem adding columns to matrix
Hi all, i purchased a copy of the book Morphometrics
Hi all,
Is there a way to get the index of elements in intersect(x,y) where x and y
are vectors with few common elements.
Appreciate your response.
Praveen Surendran.
[[alternative HTML version deleted]]
__
R-help@r-project.org
Is this what you want:
set.seed(1)
x - sample(letters,15)
y - sample(letters,15)
z - intersect(x,y)
# find index in x
match(z, x)
[1] 1 4 5 8 9 12 13 15
# index in y
match(z,y)
[1] 11 10 7 1 14 9 5 3
z
[1] g u e m l c y x
x
[1] g j n u e s w m l b d c y v x
y
[1] m r x i y
I have installed the Hmisc package and the mdb-tools package from
fink. It is in my it is installed in the /sw/bin as to fink. I have
looked at the code for get.mdb and called
system('mdb-tables /Users/sefick/Desktop/FTBragg_GeoDataBase_AuburnUNV.mdb')
and got this message
/bin/sh:
On 8/7/09, Jacob Wegelin jacob.wege...@gmail.com wrote:
Suppose we wish to achieve the following three aims:
(1) Control the aspect ratio of our plot (i.e., tweak this till it looks
great)
(2) Save the plot as a PDF with zero or minimal white space outside it.
(3) Preserve this in code,
On 8/7/09, Duncan Mackay mac...@northnet.com.au wrote:
Hi RUsers
I like to keep the plots self contained and avoid changing the current
device parameters by using the par.settings.
To see what I could achieve by using par settings I tried the following and
several variants but could not
Hi,
I would like to plot b, c in one plot, and use a as x-aix. How could I do that?
Thanks
a, b, c,
20, 2, 3
21, 4, 5
22, 1, 2
24, 3, 5
50, 3, 6
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Hi Deepayan
Thank you very much for pointing out my mistake.
I had another go now with superpose.symbol and with several other
combinations to see what could be done. All went well.
Regards
Duncan Mackay
At 13:19 10/08/2009, you wrote:
On 8/7/09, Duncan Mackay mac...@northnet.com.au
plot(b, c, xaxt=n)
axis(1, at=b, labels=as.character(a))
On Sun, Aug 9, 2009 at 9:33 PM, Frank Zhangfrankyuzh...@yahoo.com wrote:
Hi,
I would like to plot b, c in one plot, and use a as x-aix. How could I do
that? Thanks
a, b, c,
20, 2, 3
21, 4, 5
22, 1, 2
24, 3, 5
50, 3, 6
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