Hi
On 29 May 2001, Alex Yu wrote:
Does anyone know any book/paper/website about teaching the relationship
between ANOVA and regression? I have Data Analysis for Research Designs
by Keppel. I also seached www.jstor.org but could not find anything.
I am interested in seeing what approaches
Hi
On 24 May 2001, David Heiser wrote:
Be careful on your assumptions in your models and studies!
---
Placebo Effect An Illusion, Study Says
By Gina Kolata
New York Times
(Published in the Sacramento Bee, Thursday, May 24, 2001)
...
He and
Hi
On 15 May 2001, Alan McLean wrote:
The usual test for a simple linear regression model is to test whether
the slope coefficient is zero or not. However, if the slope is very
close to zero, the intercept will be very close to the dependent
variable mean, which suggests that a test could be
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
Hi
On 25 Apr 2001, Alan McLean wrote:
I agree - although students do need tables in (written) exams... But
we use a computer program called Tuteman in our teaching and testing, so
the natural way to find critical values or p-values is via the computer
- we use Excel mainly. In general, I
Hi
On 24 Apr 2001, Mark W. Humphries wrote:
I concur. As I mentioned at the start of this thread, I am self-learning
statistics from books. I have difficulty telling what is being taught as
necessary theoretical 'scaffolding' or 'superceded procedures', and what one
would actually apply in a
Hi
On Fri, 20 Apr 2001, dennis roberts wrote:
At 10:58 AM 4/20/01 -0500, jim clark wrote:
What does a t-distribution mean to a student who does not
know what a binomial distribution is and how to calculate the
probabilities, and who does not know what a normal distribution
is and how
Hi
On 7 Apr 2001, Dianne Worth wrote:
After several years of frustration with SAS, I am migrating
to SPSS. I am currently working on a project in both
packages, to ensure accuracy of results as I teach myself
SPSS. I would like to obtain 1) the squared semi-partial
correlation based on
Hi
I like to use small, artificially generated data sets with
integer parameters to introduce analyses. Often, however, I find
it difficult to avoid undesirable contingencies among the scores
(e.g., linear dependencies in within-subject designs). Is there
an algorithmic way to generate such
Hi
On 12 Mar 2001, Radford Neal wrote:
Yes indeed. And the context in this case is the question of whether
or not the difference in performance provides an alternative
explanation for why the men were paid more (one supposes, no actual
salary data has been released).
In this context, all
Hi
On Mon, 12 Mar 2001, Irving Scheffe wrote:
Jim:
For example, suppose you had a department
in which the citation data were
Males Females
12220 1298
2297 1102
When I said outlier, I had in mind hypothetical data of the
following sort (it doesn't matter to me whether
Hi
On Tue, 6 Feb 2001, Thom Baguley wrote:
Donald Burrill wrote:
Well, it _might_ be. Depends on what hypothesis was being tested,
doesn't it? And so far "rjkim" hasn't deigned to tell us that.
Yes, though I think the vocabulary can obscure what goes on. To me a
"one-tailed" test
Hi
On Sat, 20 Jan 2001, Bob Wheeler wrote:
I can't find a paper by anyone named Cohen with a
title resembling what you give in CIS. Perhaps you
can improve the citation.
Cohen, J. (1968). Multiple regression as a general data-analytic
system. Psychological Bulletin, 70, 426-443.
Best
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