On Wed, Oct 20, 2010 at 6:30 PM, Simone Gabbriellini
wrote:
> Hello List,
>
> I would like to connect to a postgreSQL database on a remote server and I am
> wondering what is the best package to do that. I have just installed RpgSQL,
> RPostgreSQL, Rdbi and RODBC.
I have used RPostgreSQL in the
On Sun, Oct 17, 2010 at 10:01 AM, Coen van Hasselt
wrote:
> Hi all,
>
> Using xyplot I want to print to Y variables (y1, y2) versus X, conditional
> on the group.
> How can I obtain a line (type="l") for one relationship (ie. y1 ~ x) and
> points (type="p") for the other (y2 ~ x) ?
>
> library(lat
Hi,
A. In a nutshell:
The training error, obtained as "error (ret)", from the return value
of a ksvm () call for a eps-svr model is (likely) being computed
wrongly. "nu-svr" and "eps-bsvr" suffer from this as well.
I am attaching three files: (1) ksvm.R from the the kernlab package,
un-edited, (2
On Tue, Jul 27, 2010 at 12:41 AM, Deepayan Sarkar
wrote:
> On Mon, Jul 26, 2010 at 9:11 PM, Prasenjit Kapat wrote:
>> Hi,
>>
>> (please Cc me)
>>
>> In xyplot (), type = "l" (or one that includes "l", *el*) is
>> (generally) meaningfu
Hi,
(please Cc me)
In xyplot (), type = "l" (or one that includes "l", *el*) is
(generally) meaningful only when the 'x' variable is sorted. In
practice, one either sorts the data frame before hand or writes a tiny
panel function which sorts the supplied x and then calls the default
panel.xyplot(
Hello:
[Kindly Cc when replying]
The question in a nutshell is this: Is there a more robust alternative
to Ecdf ()?
The details:
I've used Ecdf () _a lot_ over the past few years and I have learned
to live with its warnings. But I am running short on time and patience
now [*] Here is a reproduc
Moshe Olshansky yahoo.com> writes:
> How large is your matrix?
Right now I am looking at sizes between 30x30 to 150x150, though it will
increase in future.
> Are the very small eigenvalues well separated?
>
> If your matrix is not very small and the lower eigenvalues are clustered,
this may
Hi,
I have a matrix M, quite a few (< 1/4th) of its eigen values are of
O(10^-16). Analytically I know that M is positive definite, but
numerically of course it is not. Some of the small (O(10^-16)) eigen
values (as obtained from eigen()) are negative. It is the
near-singularity that is causing th
Hi,
Thank you Prof Ripley for the response.
On 10/4/07, Prof Brian Ripley <[EMAIL PROTECTED]> wrote:
> On Thu, 4 Oct 2007, Prasenjit Kapat wrote:
>
> > Hi,
> >
> > plot(1,1, cex=2) means that the size of the plotting character (empty
> > circle in this case
Hi,
plot(1,1, cex=2) means that the size of the plotting character (empty
circle in this case) is double the default size. Now my question is:
What characteristic of the symbol (circle) is double? Is it the area
or the diameter?
What if the symbol is not a circle, what is the generic meaning of
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