RE: examples of excel

2000-04-11 Thread Rodney Carr
There are a number of examples available from the DISCUS web site Also I have a number of lessons that use Excel and XLStatistics that come with "Statistics In A Day". Upon request, I can provide you with a password so you can do

Re: hyp testing

2000-04-11 Thread dennis roberts
At 07:12 PM 4/10/00 -0700, David A. Heiser wrote: > > > - Original Message - > From: Michael Granaas <[EMAIL PROTECTED]> > > Our current verbal lables leave much to be desired. > > > > Depending on who you ask the "null hypothesis" is > > > > a) a hypothesis

Hypothesis testing and magic

2000-04-11 Thread Alan McLean
I have been reading all the back and forth about hypothesis testing with some degree of fascination. It's a topic of particular interest to me - I presented a paper called 'Hypothesis testing and the Westminster System' at the ISI conference in Helsinki last year. What I find fascinating is the w

Re: hyp testing

2000-04-11 Thread Robert Dawson
> At 02:29 PM 4/11/00 -0300, Robert Dawson wrote: > > > The problem is that failure to reject means *either* that the null is > >true *or* that the sample size too small *or* both; > and Dennis Roberts responded > > "or" both says then ... that the null IS true AND that sample size is >

Re: hyp testing

2000-04-11 Thread Michael Granaas
On Tue, 11 Apr 2000, Robert Dawson wrote: > Michael Granaas wrote (in part): > > And if the data are consistent with the null we do what? Act as if the > > null were true? Act as if nothing were true? > > In general, that last is exactly what not rejecting the null permits. > Recall that f

Re: hyp testing

2000-04-11 Thread dennis roberts
At 02:29 PM 4/11/00 -0300, Robert Dawson wrote: > The problem is that failure to reject means *either* that the null is >true *or* that the sample size too small *or* both; "or" both says then ... that the null IS true AND that sample size is TOO small ... > too small for what?

Re: hyp testing

2000-04-11 Thread Robert Dawson
Michael Granaas wrote (in part): > And if the data are consistent with the null we do what? Act as if the > null were true? Act as if nothing were true? In general, that last is exactly what not rejecting the null permits. Recall that failing to reject the null is (among other things) the a

Re: examples of excel

2000-04-11 Thread dennis roberts
i found this ... someone has made some excel demos ... using the lotus product screencam ... which shows desktop work ... http://www.business.utah.edu/~mgtdgw/statmov.htm screencam can be seen at http://www.lotus.com/home.nsf/welcome/screencam you need a screencam player ... which is a plugin

Re: hyp testing and rho

2000-04-11 Thread Alan Hutson
I agree that rho=0 as typically used is silly. Well are you are arguing then for the Bayesian framework of getting a probability distribution on rho.?? dennis roberts wrote: > > At 11:58 AM 4/11/00 -0400, you wrote: > >at the bottom > > > > > >it would be easy to show whether rho is more likely

Re: examples of excel

2000-04-11 Thread Casey D Cobb
> I seem to recall that while back someone posted a listing of URLS for > examples of lessons in statistics using MS Excel. I wonder if anyone > has > that list or can recommend another source. Here's a good one: http://glass.ed.asu.edu/stats/ Casey D. Cobb

Re: hyp testing

2000-04-11 Thread Michael Granaas
On Tue, 11 Apr 2000, Robert Dawson wrote: > > - Original Message - > > I wrote: > > > (4) In order to avoid circular logic, we *cannot* assume what we > want to > > > prove, in order to compute the probability. We can however assume it for > a > > > contradiction. Therefore... > >

Re: hyp testing and rho

2000-04-11 Thread Alan Hutson
at the bottom dennis roberts wrote: > > At 11:26 AM 4/11/00 -0400, you wrote: > > >dennis roberts wrote: > > > > > > this was not about a difference in rhos .. just the rho singly from that > > > population ... > > > > > > > > > > > > >It can be framed similarly replace mu1-mu2 with rho > > >

Re: hyp testing and rho

2000-04-11 Thread Alan Hutson
dennis roberts wrote: > > this was not about a difference in rhos .. just the rho singly from that > population ... > It can be framed similarly replace mu1-mu2 with rho If the null hypothesis is H0:rho=0 and the alternative is H1:rho>0 What does the test say about rho if we reject H

Re: hyp testing and rho

2000-04-11 Thread Alan Hutson
If the null hypothesis is H0: mu1-mu2=0 and the alternative is H1: mu1-mu2>0 What does the test say about mu1-mu2 if we reject H0 at level alpha(say at the magical 0.05)? Not much on its own. However, what if we plan a statistical experiment as follows: Given a desired power of 0.

hyp testing and rho

2000-04-11 Thread dennis roberts
here are two sample r values ... done in minitab ... and the associated output Correlations: C52, C53 Pearson correlation of C52 and C53 = 0.599 P-Value = 0.000 MTB > corr c54 c55 Correlations: C54, C55 Pearson correlation of C54 and C55 = 0.586 P-Value = 0.075 now, minitab prints out a p

Re: cluster analysis

2000-04-11 Thread Art Kendall
The Classification Society of North America is a group of people who do these kinds of things. they have the Journal of Classification. see http://www.pitt.edu/~csna/ Elisa Wood wrote: > Can anyone help with good resources on the web, journals, books, etc on > cluster analysis - simularity and

Re: hyp testing

2000-04-11 Thread Robert Dawson
- Original Message - From: I wrote: > > (4) In order to avoid circular logic, we *cannot* assume what we want to > > prove, in order to compute the probability. We can however assume it for a > > contradiction. Therefore... and Michael Granaas responded > This (point 4) is certainl

Looking for a statistics software catalog that I used to get (Scientific Software?)

2000-04-11 Thread Jon Hancock
I used to receive a catalog (I believe it was called "Scientific Software" or "Scientific and Engineering Solutions" or something like that) that sold products such as Gauss, SAS, and MathCad. Is this catalog still available? Does anyone have their phone number? Do they have a web site? Thanks

Re: Sensible nulls

2000-04-11 Thread Robert Dawson
> > Michael Granaas wrote: > I want to see if I am interpreting your meaning correctly. If some value > such as "3" comes from some place sensible then your null here would > represent the same idea that I have been expressing as (mu1 - mu2) - 3 = 0? Yes. -Robert Dawson =

Re: cluster analysis

2000-04-11 Thread Paige Miller
Elisa Wood wrote: > > Can anyone help with good resources on the web, journals, books, etc on > cluster analysis - simularity and ordination. Any recommended programs > for this type of analysis too. Classification Society of North America http://www.pitt.edu/~csna/ -- Paige Miller Eastman Ko

examples of excel

2000-04-11 Thread William Dudley
I seem to recall that while back someone posted a listing of URLS for examples of lessons in statistics using MS Excel. I wonder if anyone has that list or can recommend another source. Thanks Bill === This list is open

Help! With digital input signal statistics. Please!

2000-04-11 Thread Nigel Money
Title: I apologise if this e-mail is sent to an inappropriate e-mail list, but as I am a little desperate I am willing to give it a try.  Being an electronic engineering student statistics and probability is not a strong point.I am trying to develop high level characterisation for the power

Re: hyp testing

2000-04-11 Thread Donald F. Burrill
On Mon, 10 Apr 2000, Bruce Weaver wrote in part, quoting Bob Frick: > ... Bob Frick has some very interesting things to say about all of > this. For example, the following is taken from his 1995 Memory & > Cognition paper (Vol 23, pp. 132-138), "Accepting the null hypothesis": > > > To put