Re: Maximum Likelihood

2001-06-29 Thread Herman Rubin
statistics has this. As for algorithms, it is a problem of numerical analysis, not of statistics. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette

Re: cigs figs

2001-06-25 Thread Herman Rubin
inconsistent, and it is even possible that nothing will be done. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED

Re: Help with stats please

2001-06-25 Thread Herman Rubin
or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions for joining and leaving this list and remarks about

Maximum likelihood Was: Re: Factor Analysis

2001-06-18 Thread Herman Rubin
or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions for joining and leaving this list and remarks about

Re: Normality in Factor Analysis

2001-06-17 Thread Herman Rubin
that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions

Re: multivariate techniques for large datasets

2001-06-14 Thread Herman Rubin
, and attack this. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494

Re: fit-ness

2001-06-01 Thread Herman Rubin
that a canned program will do what you need done. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone

Re: Hypothesis testing, was: Re: ANOVA anomaly?

2001-05-21 Thread Herman Rubin
-- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558

Re: 2x2 tables in epi. Why Fisher test?

2001-05-10 Thread Herman Rubin
uses a decision approach, none of this is correct, even if the Fisher model happens to be true. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette

Re: Combinometrics

2001-05-08 Thread Herman Rubin
In article [EMAIL PROTECTED], Jerry Dallal [EMAIL PROTECTED] wrote: Herman Rubin wrote: I also doubt whether learning to compute answers gives any insight into the concepts, except for those with good research potential, and even there it tends to confuse. It depends on what learning

Re: Inference by Bootstrapping

2001-05-05 Thread Herman Rubin
is that normality is made far less important. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765

Re: Orthogonality of Designs for Experiments

2001-05-04 Thread Herman Rubin
-orthogonal design ? The nice simple ANOVA procedures are no longer valid. This does not mean that nothing can be done. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ

Re: Combinometrics

2001-05-04 Thread Herman Rubin
or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions for joining and leaving this list and remarks about

Re: Estimating methods in SEM

2001-05-04 Thread Herman Rubin
of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions for joining and leaving

Re: errors in journal articles

2001-05-01 Thread Herman Rubin
reported here that would preclude a two way fixed effects ANOVA. The ANOVA MODEL is not affected by this. The analysis is. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics

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. This way

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 evidence'. and Lise DeShea

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

2001-04-26 Thread Herman Rubin
of the distribution of the sample variance to the chi squared distribution is likely to be worse than that of the sample mean to the normal distribution. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin

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

2001-04-26 Thread Herman Rubin
only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558

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

2001-04-26 Thread Herman Rubin
that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions

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

2001-04-26 Thread Herman Rubin
to be of much use, but that is a very different question. But this should be the only question. What action should be taken? -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics

Re: A disarmingly simple conjecture

2001-04-26 Thread Herman Rubin
. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions for joining and leaving this list and remarks about the problem

Re: Central Limit Theorem Proof using MGF

2001-04-23 Thread Herman Rubin
In article 9c0djs$9vs$[EMAIL PROTECTED], Glen Barnett [EMAIL PROTECTED] wrote: Herman Rubin [EMAIL PROTECTED] wrote in message 9bv951$[EMAIL PROTECTED]">news:9bv951$[EMAIL PROTECTED]... Any good book on probability using measure theory is likely to have the necessary proofs

Re: normal approx. to binomial

2001-04-11 Thread Herman Rubin
more decimal place of accuracy. Even if p = .5, it will take 10 times as many. This is especially important in the tails. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics

Re: Fw: statistics question

2001-04-08 Thread Herman Rubin
University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions for joining and leaving this list and remarks about

Re: Need intro to mixture models

2001-03-31 Thread Herman Rubin
that even assuming that one has a mixture of a few distributions of a given type, the estimation problem is quite difficult. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics

Re: statistical errors

2001-03-24 Thread Herman Rubin
observations does not lead to too quick acceptance. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone

Re: probability textbook

2001-03-24 Thread Herman Rubin
ly is forced to come dowm to the essentials. As for developing intuition, this does not seem to be done in any book on any subject. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Stati

Re: Most Common Mistake In Statistical Inference

2001-03-24 Thread Herman Rubin
e problem in between unfortunately depends on the particular prior assumptions of the user. This follows from reasonable numerical examples. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of S

Re: One tailed vs. Two tailed test

2001-03-14 Thread Herman Rubin
is address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (76

Re: One tailed vs. Two tailed test

2001-03-13 Thread Herman Rubin
rtment or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Instructions for joining and leaving this list

Re: One tailed vs. Two tailed test

2001-03-13 Thread Herman Rubin
is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558

Re: power,beta, etc.

2001-03-08 Thread Herman Rubin
ssumptions are important and which are not, from the standpoint of the user. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL

Re: basic stats question

2001-03-05 Thread Herman Rubin
aim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Inst

Re: basic stats question

2001-03-05 Thread Herman Rubin
. Is this so? If so, where is this discussed in more detail? Why does it have to be discussed in more detail? Conditional probability is probability. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman

Re: basic stats question

2001-02-28 Thread Herman Rubin
ionary differentiable Gaussian process is another. This is thrown together off the cuff. There are lots of others. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafa

Re: probability definition

2001-02-28 Thread Herman Rubin
are made. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558

Re: Bg/Time data extrapolation?

2001-02-24 Thread Herman Rubin
thing about what can and cannot be done, I suggest you bring in a good mathematical statistician who does not just use simple models early in your research. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University

Re: Kolmogorov-Smirnov two sample like test for discrete distr.

2001-02-24 Thread Herman Rubin
this, the K-S test is conservative; that is, the actual p-value is smaller than you think. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907

Re: Bg/Time data extrapolation?

2001-02-24 Thread Herman Rubin
s is another variable, and it is variable. The only way you could know the amount of insulin is to use more complicated tests for it; these are usually not done, except by medical researchers. -- This address is for information only. I do not claim that these views are those of the Stati

Re: Bg/Time data extrapolation?

2001-02-21 Thread Herman Rubin
n the packages, is no good if the recipe is inappropriate for the material to be cooked. This is your situation. -- This address is for information only. I do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West

Re: Significance Testing in Experiments

2001-02-09 Thread Herman Rubin
aim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558 = Inst

Re: convolution of binomials

2001-02-06 Thread Herman Rubin
do not claim that these views are those of the Statistics Department or of Purdue University. Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399 [EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558