Hi. I'm using the isoMDS() function of the MASS library for
multidimensional scaling. I have two questions that I have not been able
to solve by searching through the archives.
(i) What is the exact stress measure used? The text in the help file
says:
This chooses a k-dimensional (default k
Thanks to all for both the public and private answers on this topic. It
looks like from your answers that I'll have to wait for Modern Applied
Statistics with S to arrive at my local library (already requested)
before there's a chance that things will become clear.
As for C/R hybrids, if things
, or are there packages I could use?
Thanks in anticipation,
Ross Clement.
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Hi. I'm trying to create a 3d plot for a teaching example of finding a
least-squares estimate of the parameters to fit a line to some data. I
was hoping to get a nice plot with a clear, single minima where the
derivative of the surface is zero. No matter how much I tinker, I can't
seem to get a
This is not a help request, just an experience with R that I found
amusing.
I have a machine learning module that I teach which was originally all
symbolic, but has a slowly growing numeric/statistical component.
Today I taught a two part lecture on instance based methods for
learning, with the
I'm a recent subscriber to the list. I was very impressed by the
quality of people subscribing to the list, including the authors
of all the books on R thateither I own or are present in my local
uni library. However, I was astonished by the volume of messages.
I have set up a folder for R
. I'd
like to have a barplot where only the extremes 1 and 5 are labelled.
How do I do this?
Thanks in anticipation,
Ross Clement
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On Mon, 2004-10-25 at 16:04, Peter Dalgaard wrote:
Alicia Amadoz [EMAIL PROTECTED] writes:
What happens if you type 'which R'? What is the version of R and what
is in your path?
I suspect you are somehow trying to run the R binary, bypassing the R
shell script, which sets things like
Please excuse my previous email. I was going to follow up Peter's post
showing that if I run the R binary directly I get exactly the error
message reported by the original poster. Unfortunately, after I decided
that was too trivial to post, as my mouse headed towards the X button to
kill the email