This has nothing to do with normal distributions, as Robert Dawson noted
yesterday. The article I cited makes no mention of normal distributions,
and I didn't mean to imply that it did.
Rich Strauss
At 04:29 AM 11/29/01 +, Jerry Dallal wrote:
Rich Strauss [EMAIL PROTECTED] wrote
If the trend continues nationwide, this newspaper could someday report
that an apparently alarming cluster of cancer cases has arisen in an
innocuous normal distribution, and students will be able to explain to
their parents what that means.
The reporting of cancer clusters already happens on a
Nov 2001, Rich Strauss wrote:
I've just done some quick simulations in Matlab, constructing randomized
null distributions of the t-statistic under both scenarious: (1) sample
variances based on sample means vs. (2) variances about the pooled mean.
Assuming I've done everything correctly
of the common mean, as Jerry Dallal suggested.
I could pass on the details of my simulation if anyone is interested, but
mostly I'd appreciate it if someone could repeat this simulation
independently of mine to see whether it holds up.
Rich Strauss
is holding up the
analysis of the results from a much larger study. I've talked to
statisticians on campus, with little progress, so basically I'm begging for
help.
Rich Strauss
At 10:47 AM 7/25/01 -0400, you wrote:
On 23 Jul 2001 14:22:58 -0700, [EMAIL PROTECTED] (Rich Strauss)
wrote:
Say I have
appreciate ideas about this.
Thanks in advance.
Rich Strauss
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autocorrelations to weight them in the regression. (The design was
originally created to answer a very different question, which is how I got
into this mess.)
I hope that there's a single answer to both of our questions.
Rich Strauss
At 10:54 AM 2/28/01 -0600, Michael M. Granaas wrote:
I have
Your point is well taken, and I didn't mean to imply dishonesty either --
the term "fudged" was a poor choice, but I meant it in the sense of
manipulation or filtering, not necessarily conscious, and I mentioned that
it was an assertion.
Rich Strauss
At 06:13 PM 2/5/01 -0500, you w
in the right direction?
Thanks in advance.
Rich Strauss
Dr Richard E Strauss
Biological Sciences
Texas Tech University
Lubbock TX 79409-3131
Email: [EMAIL PROTECTED] (formerly [EMAIL PROTECTED])
Phone: 806-742-2719
Fax: 806-742-2963
the variances of the
original log-transformed data using Levene's test or equivalent.
Rich Strauss
At 07:56 AM 10/30/00 -0500, you wrote:
Hi!
My question is on a test to compare CVs. The CVs are computed using the
same data but two different variance methods and I have to compare them.
Been told
The eigen procedure
successfully 'corrects' the matrix.
Rich Strauss
Dr Richard E Strauss
Biological Sciences
Texas Tech University
Lubbock TX 79409-3131
Email: [EMAIL PROTECTED]
Phone: 806-742-2719
Fax: 80
ion models for prediction: shrinkage and regression to the
mean (167-183)
Copas J.
Rich Strauss
Dr Richard E Strauss
Biological Sciences
Texas Tech University
Lubbock TX 79409-3131
Email: [EMAIL PROTECTED]
Phone: 80
dimensions, rather than one) and clustered, and also how
distances are measured among observations in Kendall's shape spaces (e.g.,
Procrustes distances), so there's a well established literature.
Rich Strauss
At 05:32 PM 4/14/00 +0200, you wrote:
Hi everybody.
I face the problem of clustering
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