Re: Distribution Free Tolerance Limits

2000-05-18 Thread FIsackson
Chebycheff's Inequality redivivus! Tables of the tolerance factors may be found in the following two venerable texts. (They can also be calculated from the inequality with a number of numerical analysis packages for the Mac or the PC) Engineering Statistics, 2nd Edition; Bowker and Lieberman,

Re: Correlation

2000-05-18 Thread David A. Heiser
- Original Message - From: Donald F. Burrill <[EMAIL PROTECTED]> To: mbattagl <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Thursday, May 18, 2000 10:31 AM Subject: Re: Correlation _ __ > (2) Otherwise, an errors-in-variables regression may be called

Re: Correlation

2000-05-18 Thread Rich Ulrich
On 17 May 2000 09:26:35 -0700, [EMAIL PROTECTED] (mbattagl) wrote: > I have data that measures light intensity with a number of different > techniques. One of the measurements (a direct measurement and "true" > measurement of light intensity) involves lots of time, labor, and expense. > The

Distribution Free Tolerance Limits

2000-05-18 Thread Simon Larsen
Greetings We're doing some research in statistical classification of abnormalities in retinal images (that is, pattern recognization), and we need to estimate the size of the sample nescesary. We've heard of some tables for this purpose and would like to know if someone knows where to find them

Re: Median or Mean?

2000-05-18 Thread Daniel J. Nordlund
Herman Rubin wrote: >In article <[EMAIL PROTECTED]>, >Khai L. Lai <[EMAIL PROTECTED]> wrote: >>I have a sort of a conceptual question. >>When is it better to use the median and when is it better to use the >>mean to represent the average of a given distribution of data? I >>believe that the med

correction for attentuation of multiple or canonical correlations

2000-05-18 Thread G.F. Gebauer
Dear Sir or madam, Sorry to bother you with a minor "student" problem. I was referred to you by professor Howell who suggested you may be able to help me with a statistical problem I have not been able to solve myself so far. To put it briefly, I would like to correct multiple and canonical corr

Re: obsolete methods?

2000-05-18 Thread Rich Ulrich
On 17 May 2000 19:14:01 -0700, [EMAIL PROTECTED] (Paul Gardner) wrote: > [EMAIL PROTECTED] wrote: > > > > I have been looking for resources on attitude scale construction. The < snip, many details of some questions and answers > PG > > References in the area didn't stop with Edwards 1957! Some

nist stat handbook on web

2000-05-18 Thread Muriel Strand
a colleague found this url which you folks may find useful: http://www.itl.nist.gov/div898/handbook/index2.htm nist is developing a stat handbook. -- Any resemblance of any of the above opinions to anybody's official position is completely coincidental. Muriel Strand, P.E. Air Resources Enginee

Re: Need suggestion:calc for blind

2000-05-18 Thread Graeme Byrne
I'm not sure if this will help the immediate need, but the ASTER program is the work of blind mathematician's PhD work and can "read" mathematics (and arithmetic expressions) that have been typeset with the TeX system. You can find more info here http://www.cs.cornell.edu/Info/People/raman/aster/

Re: List etiquette

2000-05-18 Thread Bob Hayden
I'm not sure but from the headers it looks to me like it is the spammer, not list members, who are sending the remove messages to the list. All the ones I saw did NOT show the list in the To: line. So, it is usually not a good idea to ask to be removed from a spam list. Such a reply verifies y

RE: Correlation

2000-05-18 Thread Eric Scharin
The crux of what Mike originally asked is "how good is my measurement system." My (limited) understanding is that the concept of correlation is not relevant to this application. Refer to some of the papers on the calibration problem, such as those by Eberhardt & Mee (there are several calibratio

Re: Correlation

2000-05-18 Thread Donald F. Burrill
On Wed, 17 May 2000, mbattagl wrote in part: > The regression analysis is also somewhat confusing. Regression analysis > is based on the fact that the Y (dependent variable) is random and the X > (independent variable) is fixed with no error. Not so much "on the fact that ..." as "on assignin

Problem fixed!

2000-05-18 Thread E. Jacquelin Dietz
Dear list members, A follow-up to my previous message -- It turns out that the megaputer list from which so many people were trying to disassociate themselves was incorrectly configured somehow so that REMOVE messages came back to edstat. A very helpful person at megaputer.com has solved the pr

Re: Correlation

2000-05-18 Thread dennis roberts
At 09:45 AM 5/18/00 +0200, Hassane ABIDI wrote: >When the IDV variable (X) is random is it correct to use simple linear >regression ? It is very important question in it's general context, >that you have not really responded. in what way would it make sense to say that X is random (and wha

Re: obsolete methods?

2000-05-18 Thread dennis roberts
At 11:49 AM 5/18/00 +1000, Paul Gardner wrote: > However, such scales are limited in that >they cannot be used to probe individuals' meanings, perceptions, >personal experiences etc. paul makes an excellent and cogent point ... and this applies to almost any paper and pencil instrument (in cla

Re: statistics in the field of genetics

2000-05-18 Thread Kent Holsinger
> "Herman" == Herman Rubin <[EMAIL PROTECTED]> writes: Herman> While there are a few approaches prompted by the type of Herman> data in a given field, it is the probability modeling Herman> which comes from the field. Formulate your model, and Herman> then have someone who un

remove

2000-05-18 Thread Maureen Sevigny
=== This list is open to everyone. Occasionally, less thoughtful people send inappropriate messages. Please DO NOT COMPLAIN TO THE POSTMASTER about these messages because the postmaster has no way of controlling them, and

List etiquette

2000-05-18 Thread E. Jacquelin Dietz
Dear list members, Here we go again! As long-time list members know, North Carolina State University will discontinue this list if people complain to the postmaster about list-related problems. Occasionally, inappropriate messages are sent to the list. Sometimes those messages give instruction

remove

2000-05-18 Thread Dr. STEVE HUMPHREY
*** Dr. S.J. Humphrey School of Economics University of Nottingham Nottingham NG7 2RD tel: (0)115 951 5472 http://www.nottingham.ac.uk/~lezec/STAFF/Sh.htm ***

RE: Correlation

2000-05-18 Thread Eric Scharin
Another note on this: Much of the original Mandel work seems to have been done using classical linear regression, although the later stuff incorporated errors-in-variables regressions. There is a recent update on the use of this technique (with further references) in: Tan, C.Y.; Iglewicz, B. (1

remove

2000-05-18 Thread Wojtek Charemza
=== This list is open to everyone. Occasionally, less thoughtful people send inappropriate messages. Please DO NOT COMPLAIN TO THE POSTMASTER about these messages because the postmaster has no way of controlling them, and

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2000-05-18 Thread Tatikola, Kanaka [PRI]
Kanaka Tatikola Biostatistician R.W. Johnson Pharmaceutical research institute. 1000, route 202 raritan, Nj 08869 === This list is open to everyone. Occasionally, less thoughtful people send inappropriate messages. Pleas

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2000-05-18 Thread mbaumann
+ Dr. Maximilian P.O. Baumann, MPVM Course Co-ordinator Postgraduate Studies in Tropical Veterinary Medicine Faculty of Veterinary Medicine Freie Universität Berlin Luisenstr. 56 10117 Berlin / Germany Phone+49 +30 2093 6063 (secretary)

Re: Correlation

2000-05-18 Thread Hassane ABIDI
> >The regression analysis is also somewhat confusing. Regression analysis is > >based on the fact that the Y (dependent variable) is random and the X > >(independent variable) is fixed with no error. For my case, both X and Y are > >random and have some measurement error. Is it correct to