Re: questions on hypothesis

2000-10-17 Thread David Heiser
- Original Message - From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, October 16, 2000 4:24 PM Subject: Re: questions on hypothesis > In article <[EMAIL PROTECTED]>, > > Chris: That's not what Jerry means. What he's saying is that if > > your sample size is large enough,

Re: questions on hypothesis

2000-10-17 Thread Chris . Chambers
In article <[EMAIL PROTECTED]>, [EMAIL PROTECTED] (Robert J. MacG. Dawson) wrote: > > > > Wrt to your example, it seems that the decision you are making about > > practical importance is purely subjective. > > What exactly do you mean by this? Are you saying that _my_ > example is purely s

Re: Methodology development: Open vs. Proprietary

2000-10-17 Thread predictr
[EMAIL PROTECTED] wrote: "Most of the stuff being done are hyped-up hacks. They wouldn't dare publish this junk lest someone with some knowledge tear it apart. ... The mathematical/statistical validity of the technology is really secondary at best." If they haven't published their work, how do yo

Re: How to be a consultant in statistics ???

2000-10-17 Thread Björn Isberg
I can recommend the book "Bluff your way into Consultancy". While it appears to be a joke at first sight, it in fact describe the reality of how the life of most consultants. As a consultant you will get varied job from computing the percentage of 2 numbers (it can create frustration for a boss if

Hypothesis testing

2000-10-17 Thread Alan McLean
Periodically there is a burst of discussion of hypothesis testing on this list, often with quite a lot of verbal pyrotechnics. With the current discussion going on, it seems an appropriate time to comment that a few weeks ago I sent out a call for people interested in presenting papers on Hypothes

Questions: estimators of normal distribution

2000-10-17 Thread Haoli Qian
Hi all. I try to use the ratio between the sample averages of \mu and \sigma to estimate the real ratio between \mu and \sigma. But I want to know whether this estimator in any sense is optimum, and then is this one the best estimator in Mean square estimation error sense? Since the data are s

COX models with time-dependent reg coeff

2000-10-17 Thread hootspa
Anyone have a macro or method of doing this with SAS. Or if someone has the DYNASURV macro that the Univ of Munich used to distribute. -- Ask those who Ask those who .. . Sent via Deja.com http://www.deja.com/ Before you buy. =

Re: questions on hypothesis

2000-10-17 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, dennis roberts <[EMAIL PROTECTED]> wrote: >At 10:06 PM 10/16/00 +, Peter Lewycky wrote: >>It happens all the time in medicine. If I can show a p value 0.05 or >>less the researchers are delighted. Whenever I can't produce a p of 0.05 >>or less they start looking

Poisson process

2000-10-17 Thread burt
It seems like I read once that a characteristic of a Poisson arrival pattern at a waiting line facility is that there will be long periods of no or few arrivals followed by periods of many arrivals. Can anyone refer me to a reference that discusses this characteristic(assuming it is correct). ==

Re: Draft USEI Undergraduate Statistics Curriculum Guidelines

2000-10-17 Thread George W. Cobb
Gale Bryce is right in saying that many popele have been involved with the Undergrad Stat Ed Initiative, but I think all of us who have been involved would agree that it has been Gale's energy, vision, flexibility and follow-through that has led the way for the rest of us. George George W. Co

Re: questions on hypothesis

2000-10-17 Thread Robert J. MacG. Dawson
[EMAIL PROTECTED] wrote: > > In article <[EMAIL PROTECTED]>, > > Chris: That's not what Jerry means. What he's saying is that if > > your sample size is large enough, a difference may be statistically > > significant (a term which has a very precise meaning, especially to > > the Apostles

Re: Minitab Release 12. 60 Copies

2000-10-17 Thread Robert J. MacG. Dawson
Thom Baguley wrote: > > Robert J. MacG. Dawson wrote: > > > dennis roberts wrote: > > > > > > robert ... i disagree ... now, if minitab will reimburse him for NOT > > > selling them ... that is a different story ... but, if they won't AND he > > > has not USED the project ... i see nothing to

Summary: 120 subjects on 120 occasions

2000-10-17 Thread Dr. Hans-Christian Waldmann
Dear List(s), Last week I have posted a request for help pertaining to the issue of how to analyse repeated measurement data with some rather unusual dimensions (N=120 subjects giving a time series with T=120 occassions each). To my pleasure, there have been as much as 12 replies which are give

Re: Minitab Release 12. 60 Copies

2000-10-17 Thread Thom Baguley
Robert J. MacG. Dawson wrote: > dennis roberts wrote: > > > > robert ... i disagree ... now, if minitab will reimburse him for NOT > > selling them ... that is a different story ... but, if they won't AND he > > has not USED the project ... i see nothing to prevent him from obtaining a > > return