My name is Adil Abubakar and i am a student.and seek help . I have a
question if anyone can help, please respond to
[EMAIL PROTECTED]
Person A did research on a total of 4500 people and got the follwoing
results
Q How many hours do you spend on the web
0-7 8-15 15+
I've gone to a lot of trouble to add Bayesian adjustment in a spreadsheet
for estimating confidence limits of an individual's true score when the
subject is assessed with a noisy test. I specify the prior belief simply
by stating a best guess of the true score, and its x% likely limits, with
In article [EMAIL PROTECTED],
Jeff [EMAIL PROTECTED] wrote:
Hello,
Would like to ask the design of experiment gurus to help me with the
following questions:
1. why designs for experiments should be orthogonal ?
The computations get easier.
2. which problems may I encounter if I use
Herman Rubin wrote:
I also doubt
whether learning to compute answers gives any insight
into the concepts, except for those with good research
potential, and even there it tends to confuse.
It depends on what learning to compute means. (*I'm* saying this
in repsonse to a comment from Prf.
Hi
On 3 May 2001, Warren Sarle wrote:
Joel Best is a professor of sociology and criminal
justice at the University of Delaware. This essay is
excerpted from _Damned Lies and Statistics:
Untangling Numbers From the Media, Politicians, and
Activists_, just published by the University of
In article 9ctkri$fjvug$[EMAIL PROTECTED],
Neville X. Elliven [EMAIL PROTECTED] wrote:
David Heiser wrote:
We seem to have a lot of recent questions involving combinations,
and probabilities of combinations.
I am puzzled.
Are these concepts no longer taught as a fundamental starting point in
On 3 May 2001 09:46:12 -0700, [EMAIL PROTECTED] (R. Mark Sharp; Ext.
476) wrote:
If there is a better venue for this question, please advise me.
- an epidemiology mailing list?
[ snip, much detail ]
Time point 1Time point 2Time point 3Time point 4 Hosts
Inf
I am fooling around with a paper that talks about how to do inferences, like
constructing confidence intervals, with the bootstrap method for inference...
because the assumption of i.i.d erros is reasonable... also... it is unlikely
that the cumulative distribution functions of our estimators are
Stanley110 wrote:
Ladies and Gentlemen,
What is the physical significance or meaning regarding a manufacturing process
whose output over an extended period of time has the same value for the
arithmetic, geometric and harmonic mean of a property, its purity, for
example? ... Or if any
Why do articles appear in print when
study methods, analyses, results, and conclusions are somewhat faulty?
[This may be considered as a follow-up to an earlier edstat interchange.]
My first, and perhaps overly critical, response is that the editorial
practices are faulty. I don't find
Since other respondents have given the official
answer which is an oversimplification that has
become dogma, and is too often offered up without
adequate explanation. For the most part the
desire for absolute orthogonality comes from the
pre-computer era when it was difficult to design
and
Carl Huberty wrote:
Why do articles appear in print when study methods, analyses,
results, and conclusions are somewhat faulty?... I can think of two
reasons: 1) journal editors can not or do not send manuscripts to
reviewers with statistical analysis expertise; and 2) manuscript
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Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
hello,
Orthogonality is very important because it is an insurance that the
estimation of the effect of a factor is not dependant or the
I rather think the problem is not adequately defined; but that may
merely reflect the fact that it's a homework problem, and homework
problems often require highly simplifying assumptions in order to be
addressed at all. See comments below.
On Fri, 4 May 2001, Adil Abubakar wrote:
My name
Short answers below; which may or may not adequately address the lurking
questions you had in mind.
On Fri, 4 May 2001, Jeff wrote:
Would like to ask [for] help with the following questions:
1. why designs for experiments should be orthogonal ?
So that results for each factor, and each
Warren Sarle wrote:
It reminds me of the recent headline in The Sunday Times (a leading
UK newspaper) that taxes had tripled under the present UK
government. As a bonus, the tax level when the government took
power, and reported in the article as part of the argument, was
something around 37% of
On 4 May 2001 04:11:23 -0700, [EMAIL PROTECTED] (Will Hopkins)
wrote:
For example, I might believe that the individual's true score is 70 units,
and that the likely range is +/- 10 units. So what describes
likely? 90%, 95%, 99%...? Do Bayesians have any validated way to work
that out? If
In article [EMAIL PROTECTED],
Kai Arzheimer [EMAIL PROTECTED] wrote:
[EMAIL PROTECTED] (Rodney Carr) writes:
The problem I am having is that I'm not sure what estimating method
to use. EQS implements a number of different methods (Maximum
Likelihood, Least Squares, GLS, etc). Unfortunately
Herman Rubin wrote:
In article [EMAIL PROTECTED],
Jeff [EMAIL PROTECTED] wrote:
Hello,
Would like to ask the design of experiment gurus to help me with the
following questions:
1. why designs for experiments should be orthogonal ?
The computations get easier.
Also, the
At 09:44 AM 5/4/01 -0700, Carl Huberty wrote:
Why do articles appear in print when study methods, analyses,
results, and conclusions are somewhat faulty? [This may be considered as
a follow-up to an earlier edstat interchange.] My first, and perhaps
overly critical, response is
Ladies and Gentlemen,
What is the physical significance or meaning regarding a manufacturing process
whose output over an extended period of time has the same value for the
arithmetic, geometric and harmonic mean of a property, its purity, for
example?
What is the physical significance or
David Heiser wrote:
We seem to have a lot of recent questions involving combinations,
and probabilities of combinations.
I am puzzled.
Are these concepts no longer taught as a fundamental starting point in stat?
I haven't seen a Combinatorics course in a college class
schedule in nearly twenty
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