Re: poisson process

2001-04-27 Thread Gary Carson
On Tue, 24 Apr 2001 19:19:02 -0500, burt <[EMAIL PROTECTED]> wrote: >It seems that someplace in my statistical education I read or heard one >of my teachers make the following statement: When the occurrence of rare >events follows a Poisson process, then a characteristic of this process >is as fo

Re: errors in journal articles

2001-04-27 Thread Vadim and Oxana Marmer
I think it's a normal situation. Journals have articles with errors. Textbooks have errors. There nothing that can be done, because it's only natural to make mistakes. You should feel good that you can see those things, but be ready that some day they will find an error in your paper. Vadim On

Re: maintained hypothesis

2001-04-27 Thread Alexander Tsyplakov
Bob Wheeler wrote... > It appears to be a coinage by Andrews, meaning the > total hypotheses space. No, not Andrews. I've met it elsewhere. > I checked some of the > statistical references and did not find it used. > It also does not appear in the Combined Index to > Statistics. Thank you. This

Re: errors in journal articles

2001-04-27 Thread dennis roberts
even in the best journals, you will find crap ... or, serious mistakes ... consider the following: 1. editors don't always have an easy time finding appropriate reviewers to review papers 2. reviewing papers (generally speaking) is a gratis activity ... 3. reviews are done usually in one's spar

Re: factor analysis of dichotomous variables

2001-04-27 Thread Michael Babyak
In sci.stat.edu Johannes Hartig <[EMAIL PROTECTED]> wrote: : Hi all, : I have a (hopefully simple but not stupid) software question : related to factor analysis of dichotomous variables: : Christofferson (1975) described a GLS estimator for the : factorization if dichotomous data based on the marg

Re: errors in journal articles

2001-04-27 Thread Donald Burrill
On Fri, 27 Apr 2001, Lise DeShea wrote in part: > I teach statistics and experimental design at the University of > Kentucky, and I give journal articles to my students occasionally with > instructions to identify what kind of research was conducted, what the > independent and dependent varia

RE: Compartments, - [Fwd: [nsf01104] - Program Announcements & Information]

2001-04-27 Thread Jay Warner
I think these people have the same problem with 'compartmentalizing' that Dennis and others have WRT academic departments. I haven't checked it out yet, but perhaps there is a solution here. If we can vertically integrate R & E (education), perhaps we can horizontally integrate some of the E in

errors in journal articles

2001-04-27 Thread Lise DeShea
List Members: I teach statistics and experimental design at the University of Kentucky, and I give journal articles to my students occasionally with instructions to identify what kind of research was conducted, what the independent and dependent variables were, etc. For my advanced class, I

Re: Artifacts in stats: (Was Student's t vs. z tests)

2001-04-27 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Alan McLean <[EMAIL PROTECTED]> wrote: >Herman Rubin wrote: >> In article <[EMAIL PROTECTED]>, >> Alan McLean <[EMAIL PROTECTED]> wrote: >> >"Robert J. MacG. Dawson" wrote: >> >> > Alan McLean wrote: >> >> The p value is a direct measure of 'strength of eviden

Re: crib sheets

2001-04-27 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, dennis roberts <[EMAIL PROTECTED]> wrote: >At 09:58 AM 4/26/01 -0500, Herman Rubin wrote: >>For the important part, it is ALWAYS appropriate. An >>argument against open book is that they spend too much >>time looking things up, but I always allow crib sheets. >>Th

Re: p- values Was: Re: Artifacts in stats: (Was Student's t

2001-04-27 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, dennis roberts <[EMAIL PROTECTED]> wrote: >At 10:16 AM 4/26/01 -0500, Herman Rubin wrote: >>A p-value tells me nothing of importance. >i agree if this means practical and of benefit say to society >> It is in no way >>a measure of strength of evidence. >are yo

Re: p- values Was: Re: Artifacts in stats: (Was Student's t vs. z

2001-04-27 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Jerry Dallal <[EMAIL PROTECTED]> wrote: >Herman Rubin wrote: >> A p-value tells me nothing of importance. >It's hard to resist the challenge, except I have to agree (if we >qualify it by adding the word 'alone', that is, 'A p-value alone >tells me nothing of impo

Tenure Track Position Available

2001-04-27 Thread Fernando Quintana
The Department of Statistics, Pontificia Universidad Católica de Chile, offers a tenure track position at the Assistant Professor level. The candidates should have a Ph.D. in Statistics or related field and exhibit experience in both research and teaching. Some proficiency in Spanish (the offici

factor analysis of dichotomous variables

2001-04-27 Thread Johannes Hartig
Hi all, I have a (hopefully simple but not stupid) software question related to factor analysis of dichotomous variables: Christofferson (1975) described a GLS estimator for the factorization if dichotomous data based on the marginal distributions for single items and item pairs. Muthen (1978) sug

Re: maintained hypothesis

2001-04-27 Thread Bob Wheeler
It appears to be a coinage by Andrews, meaning the total hypotheses space. I checked some of the statistical references and did not find it used. It also does not appear in the Combined Index to Statistics. It would be worthwhile to examine some of the Econometrica references -- I suspect that he

Re: maintained hypothesis

2001-04-27 Thread Alexander Tsyplakov
I think you are right that this is not generally recognized term like null or alternative. But it is sometimes used. Just put "maintained hypothesis" into Google search engine. "Null hypothesis" is only one possible interpretation of "maintained hypothesis". There is at least one other interpret