After residing in various
desk drawers for the past few months, Exploring Data is back on the web, at its
new web address of
exploringdata.cqu.edu.au
The visitor's book and search engine don't work yet,
so please ignore them.
Please note that my email address has
changed as well.
Apol
Can anyone comment on the use of double mass analysis, a commonly
recommended technigue in hydrology texts use to detect a change in the
assumed linear relation between two variables? The method involves
plotting the cumulative values (in time order) of the two variables
against one another and l
In article <634D48D1362BD311AC7400508B1047DA912E82@EXCHANGE>,
Silvert, Henry <[EMAIL PROTECTED]> wrote:
>I would go a little further. It is the perpetuation of the idea that there
>is some truth out there that has to be found that makes statistics and the
>sciences so alienating to mopst people. W
The normal distribution has often been called the Gaussian distribution,
although de Moivre and Laplace spoke of it well before Gauss.
The term "normal" had been used for the distribution by Galton (1877)
and Karl Person later recommended the routine use of that adjective to
avoid "an internati
On 12 Apr 2000 15:21:21 -0700, [EMAIL PROTECTED] (Paul Bernhardt)
wrote:
> I suspect in this forum, almost as bad as the F-word or N-word are the
> DM-words... Data Mining... I agree, but wonder about criteria.
- since IBM started touting a product by that name, it is hard to
ignore the new en
On Thu, 13 Apr 2000, Rich Ulrich wrote:
> On Thu, 13 Apr 2000 11:53:05 GMT, Chuck Cleland <[EMAIL PROTECTED]>
> wrote:
>
> > I have an ordinal response variable measured at four different times
> > as well as a 3 level between subjects factor. I looked at the time
> > main effect with the Fri
After I cited Stigler, to the effect that Quetelet never used the term
'normal' for the distribution,
on 14 Apr 2000 09:53:05 -0700, [EMAIL PROTECTED] (Alan Hutson)
wrote:
>
> Kendall and Stuart have a footnote attributing the term to Galton
> however there is no reference
I thought that Stigle
On Fri, 14 Apr 2000, Rich Ulrich wrote:
> > I believe that the term was at least popularized, if not
> > originated, by Quetelet, who called it the distribution of
> > the "normal person".
>
> Stephen Stigler, in his fine history, gives many pages to Quetelet and
> his fascination with the "aver
If your data can be "cut" and unrolled at a specific boundry then you
can rotate/translate the data away from the boundry. For example if
your data crosses the 0 degree boundry but not the -180/+180 boundry
then you don't need to do anything, if it crosses the -180/+180
boundry but not the 0 degr
> >>> dennis roberts <[EMAIL PROTECTED]> 04/07 2:46 pm >>>
> i was not suggesting taking away from our arsenal of tricks ... but, since
> i was one of those old guys too ... i am wondering if we were mostly lead
> astray ...?
>
> the more i work with statistical methods, the less i see any meani
Anyone knows in what consist the Mahanalobis distance??
I have to measure the distance between two histograms...
Thanks,
Teo.
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===
hi.
suppose you have a simple linear regression model, i.e.,
y-hat = b0 + b1*x.
Is it possible to partition the variance of the model into (1)
variance due to estimating the coefficients, and (2) pure (random)
variance?
have a great day ! :)
ethan
==
Kendall and Stuart have a footnote attributing the term to Galton
however there is no reference
Rich Ulrich wrote:
>
> On 13 Apr 2000 20:34:14 -0500, [EMAIL PROTECTED] (Herman
> Rubin) wrote, concerning the name of the "normal distribution" :
>
> >
> > I believe that the term was at least pop
Hi everybody.
I face the problem of clustering one-dimensional data that can range in a
circular way. Does anybody knows the best way to solve this problem with no
aid of an additional variable ? Using a well-suitable trigonometric
transform ? Using an ad-hoc metric ?
Thanks.
Carl
===
for those who would like to try to figure out WHAT the notion or issue of
interest is in a study ... have a look at the following pic i snapped this
morning on the wall near psychology ... where they post notes about
experiments, etc.
http://roberts.ed.psu.edu/users/droberts/introstat/
click
On 13 Apr 2000 20:34:14 -0500, [EMAIL PROTECTED] (Herman
Rubin) wrote, concerning the name of the "normal distribution" :
>
> I believe that the term was at least popularized, if not
> originated, by Quetelet, who called it the distribution of
> the "normal person".
Stephen Stigler, in his fine
T.S. Lim wrote:
> In article <8d4f0o$g4$[EMAIL PROTECTED]>, [EMAIL PROTECTED] says...
> >
> >Hi everybody,
> >
> >I m looking for free Matlab programs wich perform bootstrap, jackknife &
> >cross-validation, for neural netorks and regression (MLP).
> >Does anybody can tell me where I can find it
see what happens when i ... usually about once a year ... post a note
asking what value is there, if any, in classical statistical hypothesis
testing? the discussion runs amok ...
i love it!
and we wonder why STUDENTS have a difficult time in stat?
if we were to compile the dozens and dozens o
I would go a little further. It is the perpetuation of the idea that there
is some truth out there that has to be found that makes statistics and the
sciences so alienating to mopst people. What we attempt to do is configure
social facts into a plausible reflection of the physical and social
envir
Jan Souman wrote:
>
> Does anybody know why the normal distribution is called 'normal'? The most
> plausible explanations I've encountered so far are:
>
> 1. The value of a variable that has a normal distribution is determined by
> many different factors, each contributing a small part of the to
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