Re: Find PDF of RV with a given mean value

2002-02-28 Thread Herman Rubin
and 2/3. -- 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: Cauchy PDF + Parameter Estimate

2002-02-26 Thread Herman Rubin
In article [EMAIL PROTECTED], Glen Barnett [EMAIL PROTECTED] wrote: Herman Rubin wrote: In article a5daqb$72k$[EMAIL PROTECTED], Chia C Chong [EMAIL PROTECTED] wrote: Hi! Does anyone come across some Matlab code to estimate the parameters for the Cauchy PDF?? Or some other sources about

Re: detecting outliers in NON normal data ?

2002-02-26 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, remarks about

Re: Probabilities

2002-02-21 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, remarks about

Re: Statistical Distributions

2002-02-19 Thread Herman Rubin
' to the binomial. -- 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: Statistical Distributions

2002-02-19 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: Question on random number generator

2002-02-19 Thread Herman Rubin
results, are obtained by writing it as TruncExpVar = a - ln(exp(a-b) + (1.0-exp(a-b))*UnifVar); -- 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: Which is faster? ziggurat or Monty Python (or maybe something else?)

2002-02-19 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, remarks about

Re: Statistical Distributions

2002-02-19 Thread Herman Rubin
In article [EMAIL PROTECTED], Dennis Roberts [EMAIL PROTECTED] wrote: At 07:34 AM 2/19/02 -0500, Herman Rubin wrote: I do not see this. The binomial distribution is a natural one; the normal distribution, while it has lots of mathematical properties, is not. i don't know of any distribution

Re: Statistical Distributions

2002-02-18 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: Question on random number generator

2002-02-16 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, remarks about the problem

Re: If T-Test can not be applied

2002-02-16 Thread Herman Rubin
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: Query: pdf of an AR process

2002-02-14 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, remarks about

Re: Infinitely divisibility of Generalized Gamma distribution

2002-02-12 Thread Herman Rubin
as an exponential random variable multiplied by something independent of it. -- 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

Re: Preparation for PhD in Statistics

2002-02-10 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: 'Distance' between two normal distributions

2002-02-07 Thread Herman Rubin
densities. If you are doing a sequential test with small cost of obsrvation, the distance is given by the pair of Kullback-Leibler numbers. -- 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

Re: can multicollinearity force a correlation?

2002-02-07 Thread Herman Rubin
have computer artifact. -- 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: factor analysis

2002-02-05 Thread Herman Rubin
holds if the true relation is linear. -- 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

Re: area under the curve

2002-01-31 Thread Herman Rubin
of moments needed is in the thousands. -- 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

Re: modes of convergence

2002-01-21 Thread Herman Rubin
from some point on. -- 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: How to compute Beta variates

2002-01-12 Thread Herman Rubin
independence properties. -- 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: Standardizing evaluation scores

2002-01-10 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: Question on 2-D joint distribution...

2002-01-05 Thread Herman Rubin
bivariate distributions. It is hard enough to estimate one-dimensional distributions; it gets worse as the dimension increases. -- 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: Is this how you would have done it?

2001-12-23 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: Maximum Likelihood Question

2001-12-19 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: What is the difference between Statistics and Mathematical

2001-12-12 Thread Herman Rubin
In article [EMAIL PROTECTED], Christopher Tong [EMAIL PROTECTED] wrote: On 11 Dec 2001, Herman Rubin wrote: Most courses in physics are courses in mathematical physics. This is blatantly incorrect. Courses called Mathematical Methods of Physics are common, and some courses are called

Re: Cramer-von-Mises Criterion

2001-12-12 Thread Herman Rubin
ot 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)

Re: What is the difference between Statistics and Mathematical Statistics?

2001-12-11 Thread Herman Rubin
. The word statistics is also used for data collected. This is not based on mathematical 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: Maximum Likelihood, Likelihood Ratio, Chi Square

2001-12-11 Thread Herman Rubin
. 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: Who said Correlation does not imply causation.

2001-12-11 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: Slutsky's theorem

2001-12-10 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: Evaluating students: A Statistical Perspective

2001-11-30 Thread Herman Rubin
in a class which is not a random sample from humanity. -- 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: Normal distribution

2001-11-30 Thread Herman Rubin
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: N.Y. Times: Statistics, a Tool for Life, Is Getting Short Shrift

2001-11-30 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 the problem

Re: Evaluating students: A Statistical Perspective

2001-11-25 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

Re: Evaluating students: A Statistical Perspective

2001-11-25 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

Linguistic probability Was: Re: what probability to get an 'A' on exam?

2001-11-25 Thread Herman Rubin
http://ourworld.compuserve.com/homepages/jsuebersax -- 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: best inference

2001-11-23 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: Evaluating students

2001-11-18 Thread Herman Rubin
there is no other supporting process information given by the examinee -- 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: diff in proportions

2001-11-16 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: Evaluating students

2001-11-14 Thread Herman Rubin
In article [EMAIL PROTECTED], Alan McLean [EMAIL PROTECTED] wrote: Herman Rubin wrote: In article [EMAIL PROTECTED], Thom Baguley [EMAIL PROTECTED] wrote: Glen wrote: As a student I *always* preferred closed book exams. If I know the material I don't need the book, and if I don't know

Re: Evaluating students

2001-11-14 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: Evaluating students

2001-11-13 Thread Herman Rubin
than this, largely as a result of their long exposure to plug and chug and guess. -- 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

Re: Evaluating students

2001-11-13 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: Evaluating students

2001-11-11 Thread Herman Rubin
In article [EMAIL PROTECTED], John Kane [EMAIL PROTECTED] wrote: Herman Rubin wrote: In article [EMAIL PROTECTED], John Kane [EMAIL PROTECTED] wrote: Stan Brown wrote: Herman Rubin [EMAIL PROTECTED] wrote in sci.stat.edu: Test for understanding, not for imitation of robots. Give

Re: Recommend Masters level math stats text

2001-10-28 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: How do I generate a multivariate Cauchy random number

2001-10-19 Thread Herman Rubin
is to use n independent Cauchy random variables. These do not give the same distribution. So what is the real problem? -- 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: Transformation function for proportions

2001-10-18 Thread Herman Rubin
pages. Or, I think, Mosteller and Tukey, Data Analysis and Regression. -- 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: Final Exam story

2001-10-13 Thread Herman Rubin
forgot how to calculate it explicitly (except for listing all the possible outcomes). -- 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: Standardized Confidence Intervals

2001-10-10 Thread Herman Rubin
are usually much greater if the standardization is used. -- 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: Confidence intervals

2001-09-29 Thread Herman Rubin
In article 9p2d8l$clk$[EMAIL PROTECTED], Ronald Bloom [EMAIL PROTECTED] wrote: Herman Rubin [EMAIL PROTECTED] wrote: Teaching people to use something without any understanding can only be ritual; this is what most uses of statistics are these days. If one does not use numbers

Re: p value

2001-09-29 Thread Herman Rubin
ot 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)

Re: What is a confidence interval?

2001-09-28 Thread Herman Rubin
of statement most make. -- 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: p value

2001-09-28 Thread Herman Rubin
for a symmetric prior on the mean of a normal random variable over that of the null is less than 4 for a p value of .05. -- 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

Re: What is a confidence interval?

2001-09-28 Thread Herman Rubin
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 this list

Re: Confidence intervals

2001-09-28 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 the problem

Central Limit Therem Was: Re: what type of distribution on this sampling

2001-09-24 Thread Herman Rubin
destructive of whatever structure was originally present. -- 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: definition of metric as a noun

2001-09-22 Thread Herman Rubin
In article 9ogurt$d79tc$[EMAIL PROTECTED], Neville X. Elliven [EMAIL PROTECTED] wrote: Herman Rubin wrote: The OED cites the following use of metric as a noun: 1921 Proc. R. Soc. A. XCIX. 104 In the non-Euclidean geometry of Riemann, the metric is defined by certain quantities . . A good

Re: Prerequisite for stats (was Re: for number haters)

2001-09-20 Thread Herman Rubin
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: effect size/significance

2001-09-13 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: effect size/significance

2001-09-13 Thread Herman Rubin
of the consequences for the various states of nature, and sum or integrate. -- 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: not significant

2001-09-13 Thread Herman Rubin
. So what is the real problem, and what are the consequences? -- 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: Simple Probability Proof Requested

2001-09-06 Thread Herman Rubin
, the conditional probability of A given any information about the rest of them is the same as the unconditional probability; this is the way it is used, anyhow. -- 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: formula for union of sets

2001-08-31 Thread Herman Rubin
holds, providing the series converge. Countable additivity is enough to go from finite to infinite in this case. -- 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: independent, identically distributed

2001-07-27 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: Statistics Q

2001-07-23 Thread Herman Rubin
In article [EMAIL PROTECTED], Jerry Dallal [EMAIL PROTECTED] wrote: Herman Rubin wrote: Using a non-linear transformation on data generally destroys the underlying structure. Regression analysis does not in any way need normality of data. Models have to come from knowledge of the subject

Re: Statistics Q

2001-07-23 Thread Herman Rubin
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 this list and remarks

Re: EdStat: Probabilistic inference in resampling?

2001-07-18 Thread Herman Rubin
In article [EMAIL PROTECTED], Robert J. MacG. Dawson [EMAIL PROTECTED] wrote: Herman Rubin wrote: I consider the Fisherian one to be the only relevant one. In fact, I do not think it goes far enough; at best, probability is a property of the real world like length and mass

Re: EdStat: Probabilistic inference in resampling?

2001-07-16 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

Re: Bayesian analyses in education

2001-07-11 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: Normalizing a non-normal distribution

2001-07-06 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: 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

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