:
http://www.wiley.co.uk/wileychi/eob/
John Uebersax, PhD (858) 597-5571
La Jolla, California (858) 625-0155 (fax)
email: [EMAIL PROTECTED]
Statistics: http://ourworld.compuserve.com/homepages
. I'd greatly
appreciate any suggestions.
Sincerely yours,
John Ziker
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I have a function X, and two different approximator functions A and B
(A-X) is Gaussian (or at least appears to be from mean, variance, skew
and kurtosis calculations) with zero mean and variance of Va
(B-X) is Gaussian (or at least appears to be from mean, variance, skew
and kurtosis
If I have 3 variables defined as follows:
A, B as independent, uncorrelated values of 0 or 1
C defined as the logical AND of AB, such that C=1 if and only if both
A B =1, and 0 otherwise.
Example
A=1, B=0 then C=0
A=0, B=1 then C=0
A=0, B=1 then C=0
A=1, B=1 then C=1
My question is, what is
)--perhaps also in the
SPSS manual.
John Uebersax, PhD (805) 384-7688
Thousand Oaks, California (805) 383-1726 (fax)
email: [EMAIL PROTECTED]
Agreement Stats: http://ourworld.compuserve.com/homepages
!
John Uebersax, PhD (805) 384-7688
Thousand Oaks, California (805) 383-1726 (fax)
email: [EMAIL PROTECTED]
Agreement Stats: http://ourworld.compuserve.com/homepages/jsuebersax/agree.htm
Latent Structure: http
-effects only design.
John
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0.001.000.000.00
E 0.430.000.000.001.000.00
F 0.870.000.000.000.001.00
John
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Experiments by Sidney Addelman in
Technometrics (February, 1962 - Vol 4, No.1). The orthogonal plan
would require 25 trials - as opposed to the full-factorial design with
64 trials.
John
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dennis roberts wrote:
would we give full credit for 87/18 = 7/1 ... 8's cancel?
Full marks. As Napoleon used to ask, Is he lucky?. :) He/she deserves it.!
--
John Kane
The Rideau Lakes, Ontario Canada
Of course not. No sign of inspired luck just lousy math
is your goal: to find groups of similar objects (object cluster
analysis), or to find groups of similar variables (variable cluster
analysis)?
John
John Uebersax, PhD (805) 384-7688
Thousand Oaks, California
what may be blind luck I would credit it (given we don't get into
some nasty legal problems ) jsut because the candidate was that blind lucky.
--
--
John Kane
The Rideau Lakes, Ontario Canada
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Jerry Dallal wrote:
John Kane wrote:
Very true and I was being deliberatly provocative. Howeever I still cannot
see penalizing someone for gerttaingt the right anwser no matter how arried
at.
Problem: Divide 95 by 19.
Student writes 95/19, 9's cancel, leaving 5/1 = 5 .
How much
), Clustering Algorithms, New York: John Wiley
Sons, Inc.
John Uebersax, PhD (805) 384-7688
Thousand Oaks, California (805) 383-1726 (fax)
email: [EMAIL PROTECTED]
Agreement Stats: http
Stan Brown wrote:
John Kane [EMAIL PROTECTED] wrote in sci.stat.edu:
So you are saying that getting the right answer is not important?
No, of course it's important. But getting the right answer for the
wrong reasons is bad, since one may not be so lucky next time when,
say, calculating
Herman Rubin wrote:
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
done. That is exactly what he asked for!
Just my two cents.
GOD BLESS AMERICA
Dr. Robert C. Knodt
4949 Samish Way, #31
Bellingham, WA 98226
[EMAIL PROTECTED]
--
--
John Kane
The Rideau Lakes, Ontario Canada
http://oakroadsystems.com
My reply address is correct as is. The courtesy of providing a correct
reply address is more important to me than time spent deleting spam.
--
--
John Kane
The Rideau Lakes, Ontario Canada
[EMAIL PROTECTED] wrote:
John,
I stand corrected. I really guess I misunderstood what Mark wanted.
I now realize he is an experienced programmer.
Well I have no idea if he is or not. I suspect he may have underestimated the
difficulty of programming this in Basic for a Palm Pilot. Good
students do form
exam strategies.
--
--
John Kane
The Rideau Lakes, Ontario Canada
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as a witness- although I really don't have the
qualifications) just salivating.
As I gather is common in this field, the problem isn't statistics per se,
but framing questions that can be answered by the kind of data you can get.
Err see above for the problem :)
--
John Kane
: not slavishly
following an arithmetic rule?
No that is dishonest. If the student does not show his/her capability then
he/she does not get the mark.
Anything else is fraud.
--
--
John Kane
The Rideau Lakes, Ontario Canada
at Fionn Murtagh's Multivariate
Data Analysis Software and Resources Page:
http://astro.u-strasbg.fr/~fmurtagh/mda-sw/
Hope this helps.
John Uebersax
John Uebersax, PhD (805) 384-7688
Thousand Oaks
like you say that when you
factor in stratification and clustering, it isn't such a no brainer as in my
example.
Thank you again for enlightening me.
Donald Burrill [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
On Sun, 30 Sep 2001, John Jackson wrote:
.
It is simply amazing to me that you can do a random sample of 4,147 people
out of 50 million and get a valid answer. What is the reason for taking
mulitple samples of the same n - to achieve more accuracy? Is there a rule
of thumb on how many repetitions of the same sample you would take?
John Jackson
Great explanation
dennis roberts [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
At 02:16 AM 9/29/01 +0000, John Jackson wrote:
For any random inverval selected, there is a .05% probability that the
sample will NOT yield an interval tha
clarification, I would
welcome your insights.
Donald Burrill [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
On Fri, 28 Sep 2001, John Jackson wrote in part:
My formula is a rearrangement of the confidence interval formula shown
below for ascertaining the
I am interested in how to describe the data that does not reside in the area
described by the confidence interval.
For example, you have a two tailed situation, with a left tail of .1, a
middle of .8 and a right tail of .1, the confidence interval for the middle
is 90%.
Is it correct to say
uld take a SRS of about 11 to be within 3 points of the true mu
value in your 95% confidence interval
unless i made a mistake someplace
At 09:54 AM 9/28/01 -0400, Randy Poe wrote:
John Jackson wrote:
the forumla I was using was n = (Z?/e)^2 and attempting to express
.05
as a
fraction
. 300 m or can
you solve it another way. It was suggested you can express the SD as a
fraction of the E. ie. E = SD/2.
Randy Poe [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
John Jackson wrote:
the forumla I was using was n = (Z?/e)^2 and attempting to
I have a dataset which has about 35 column. Many of the cells have missing
values. Since MINITAB recognizes the missing values, I can perform the
statistical work I need to do and don't need to worry about the missing
values. However, I would like to be able to obtain the subset of
to express .05 as a
fraction of a std dev.
Glen Barnett [EMAIL PROTECTED] wrote in message
9oug3c$su1$[EMAIL PROTECTED]">news:9oug3c$su1$[EMAIL PROTECTED]...
John Jackson [EMAIL PROTECTED] wrote in message
MGns7.49824$[EMAIL PROTECTED]">news:MGns7.49824$[EMAIL PROTECTED]...
This is a better example than the apples (I hope). This time is their is a
n=x provided.
Jay Warner [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
@Home wrote:
I have estimation of mean / confidence level problem with very litte
data
to go on ie no Std
re: the formula:
n = (Z?/e)2
could you express E as a % of a standard deviation .
In other words does a .02 error translate into .02/1 standard deviations,
assuming you are dealing w/a normal distribution?
=
Thanks for the formula, but I was really interested in knowing what % of a
standard deviation corresponds to E.
In other words does a .02 error translate into .02/1 standard deviations?
Graeme Byrne [EMAIL PROTECTED] wrote in message
9orn26$m80$[EMAIL PROTECTED]">news:9orn26$m80$[EMAIL
If you are using ANCOVA then the base score is the covariate and the final
score the criterion. ANCOVA is generally preferred to ANOVA on gain scores.
John Ambrose
University of the Virgin Islands
St. Thomas VI 00802
At 10:26 AM 9/25/01 +, Morelli Paolo wrote:
HI all,
I have to analyse
from strict Likert items as
described above.
If anyone has any definitive references that clarify this, I would
greatly appreciate learning of them.
John Uebersax, PhD (805) 384-7688
Thousand Oaks
John Uebersax, PhD (805) 384-7688
Thousand Oaks, California (805) 383-1726 (fax)
email: [EMAIL PROTECTED]
Agreement Stats: http://ourworld.compuserve.com/homepages/jsuebersax/agree.htm
Latent Structure: http://ourworld.compuserve.com/homepages/jsuebersax
Existential Psych
.
Hope this helps.
John
John Uebersax, PhD (805) 384-7688
Thousand Oaks, California (805) 383-1726 (fax)
email: [EMAIL PROTECTED]
Agreement Stats: http://ourworld.compuserve.com/homepages/jsuebersax
No I had more in mind:
1. The argument room
and perhaps:
2. Well I didn't expect the Spanish Inquisition
It's like asking a question like, Excuse me, can you tell me how to
get to First and Main Street, and getting 5 replies like Oh come
now, why would anybody want to go to First and Main
to give
the correct overlap area.
John
[EMAIL PROTECTED] (Alan McLean) wrote in message
news:[EMAIL PROTECTED]...
You can draw Venn diagrams very easily in Powerpoint using the
ellipse/circle and box/rectangle tools. Draw the diagram, group all the
bits together, and copy it into Word
I wonder if anyone can recommend software that will show a simple
graphic of a distribution -- say, a histogram -- and also a
highlighted point in the distribution. I do employee satisfaction
surveys and produce separate reports of job factor means for a variety
of departments. Currently, we
psychological traits, these are
often correlated--so one often wishes to relax the requirement of
orthogonality.
John Uebersax
Magenta [EMAIL PROTECTED] wrote in message
news:LIN77.634$[EMAIL PROTECTED]...
Why a factor analysis and not a principal components analysis? I've been
taught
,
are you?
John Uebersax
Teen Assessment Project [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]...
I am using a measure with likert scale items. Original psychometrics
for the measure
included factor analysis to reduce the 100 variables to 20 composites.
However, since the variables
As the other reply suggested, perhaps there is a problem with local
maxima.
Or maybe, since these are different programs, the commands in one case
were incorrect. Why not run a metric MDS for comparison purposes?
That might help you decide whether the Alscal or NCSS results are
suspect.
John
for the error and thank Jon for pointing it out.
John Uebersax
John Uebersax wrote:
+infinity [-- should be z, not +infinity]
p = PHI(z) = INTEGRAL phi(z)
-infinity
where:
z = standard normal deviate
PHI(z) = is the probability (p) of observing
of these take as few as 2 or
3 lines of code. A good reference for such approximations is:
Abramowitz, M., and I. A. Stegan, 1972: Handbook of Mathematical
Functions. Dover.
Hope this helps.
John Uebersax
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maintaining a context indicator to allow the signal handler
to, say, allocate and initialize the right kind of structure
for the pointer and then restart the offending instruction.
Cheers
---
John R Ramsden ([EMAIL PROTECTED
Hello!
Thank you very much for answers.
But I also wamt to know pdf function for this distance.
And if you know, please, give me references to books
where I can see this formula.
Thank, John Gerber
John Garber [EMAIL PROTECTED] wrote in message
I am looking for a solution
where the
problems are occurring.
Good luck,
John Hendrickx
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of International Management at the University of Nijmegen in the
Netherlands. It'll be taught in English though, but books related to
business and economics are preferred.
Advance thanks for any help,
John Hendrickx
=
Instructions
method and the simpler
method of factoring tetrachoric correlations. For additional
information (including examples using PRELIS/LISREL and SAS) on
factoring tetrachorics, see
http://ourworld.compuserve.com/homepages/jsuebersax/irt.htm
Hope this helps.
John Uebersax
e latent trait models:
Similarities and differences. Thousand Oaks, California: Sage, 1996.
I also have a FAQ on the Rasch model on the site, including information
specifically on Rasch software.
Hope this helps.
John Uebersax
[EMAIL PROTECTED]
http://ourworld.compuserve.com/homepages/jsuebersax
P.
. Cambridge, Massachusetts: MIT
Press, 1975
or any text on loglinear modeling, or one of Alan Agresti's books on
categorical data analysis.
--
John Uebersax
http://ourworld.compuserve.com/homepages/jsuebersax
[EMAIL PROTECTED
anyone tell me
if this is a commonly used scale, and if so, what is the question mark supposed
to mean?
--
---
John W. Kulig[EMAIL PROTECTED]
Department of Psychology http://oz.plymouth.edu/~ku
diagnosis might
legitimately be considered a medical disability.
IMHO, psychological tests in this case should not substitute for a
thorough interview and human judgment.
Just my .02 worth.
--
John Uebersax
In article 9211so$9kt$[EMAIL PROTECTED],
T.S. Lim [EMAIL PROTECTED] wrote:
My apology
91, 15, 35-46.
Note that conditioning the matrix in this way is a completely "ad hoc"
procedure.
Hope this helps.
--
John Uebersax
[EMAIL PROTECTED]
Sent via Deja.com http://www.deja.com/
Before you buy.
=
Inst
interested parties.
Sincerely,
A. John Bailer
Chair of the Statistics Search Committee
- position announcement ---
Assistant Professor in Statistics
Tenure-track Assistant Professor in Statistics beginning
Fall, 2001. Doctoral degree in Statistics or Biostatistics
PARENTS and I pronounce it!
John G. Mardo
e-mail: [EMAIL PROTECTED]
Quality Evaluation Safety Team
phone: (973) 724-4207
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-Original Message-
From: Tony T. Warnock [mailto:[EMAIL
contextual features (including the cost of
making a Type I vs. Type II error) that should matter too.
--
---
John W. Kulig[EMAIL PROTECTED]
Department of Psychology http://oz.plymouth.edu/~kulig
Plymou
In article [EMAIL PROTECTED], [EMAIL PROTECTED]
says...
Actually, it often strikes me as curious that so many
people continue to report results as p .05, when they
could in fact report the actual value.
Well, the exact value isn't really all that relevant, certainly if
significance is
a brawl vs. losing to a con artist).
I will try to locate some research data on this or I'll flip a few coins
in my next statistically naive class.
--
---
John W. Kulig[EMAIL PROTECTED]
Department of
NMOD, using the then experimental Output Delivery System
(ODS). Recent releases of SAS have expanded ODS, that could be another
option for trimming redundant output information. Scripting in SPSS is
another option.
Back to work,
John Hendrickx
==
You should consider "Fathom", which has a very visual approach to the
subject.
It is completely unlike any other package I have seen, reminding me more of
Dynamic Geometry packages rather than number-based statistics packages such
as SPSS, SAS etc.
JOHN BIBBY
Statement of Intere
Title: Untitled Document
Today, everyone knows the impact of
the Internet.
But not everyone has their own E-department.
Get E-solutions done!
Click Here Now.
If you
nd it has information on using
contrasts and interactions in R.
Good luck,
John Hendrickx
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people send inappropriate messages. Please DO NOT CO
m to
the bottom of your "Extra" menu that allows elementary statistical
analyses. It's limited to bivariate regression though.
Hope this helps,
John Hendrickx
===
This list is open to everyone. Occasionally, less
, USA; and
M.G.C. Resende ATT Labs Research, USA.
Parallel Metaheuristics for Combinatorial Optimization Problems
(pending)
Authors wishing to present a paper are invited to submit an abstract
(maximum two pages), by e-mail to:
Erricos John Kontoghiorghes
Institut d'informatique,
Universite
- 0.0808) = 0.9192
"Donald F. Burrill" [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
On Tue, 30 May 2000, John Lexmark wrote:
Please help me to solve this problem, I am stuck...
That's not very informative. WHERE are you stuck, precisel
)= -1.41
p-value = (1- 0.0808) = 0.9192
Phat= 2/50 = 0.04
z= (.04-.10)//sqrt((0.10 * 0.9)/50)= -1.41
p-value = (1- 0.0808) = 0.9192
"Donald F. Burrill" [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
On Tue, 30 May 2000, John Lexmark wrote:
Yes, but garbage in, garbage out. :)
--
John Uebersax
[EMAIL PROTECTED]
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THE POSTMASTER about
of models including latent
class, log multiplicative, event history. A Win95 version is available at
http://cwis.kub.nl/~fsw_1/mto/mto_snw.htm#software
Hope this helps,
John Hendrickx
===
This list is open to everyone. Occasion
ere as far
as I can tell (I checked the McGraw Hill web site and the universities of
the authors). So I was wondering if someone could provide me with the
data used in these assignments.
Advance thanks for any
In article 0f9001bfbf35$e7dbd920$[EMAIL PROTECTED],
[EMAIL PROTECTED] says...
- Original Message -
From: Gary McClelland
there are no longer negatives.
Well, yes, there are;
[i.e. bookmarking]
Frames also complicate keyboard use: too often the wrong frame scrolls.
al package). I haven't tried any of these
solutions, but I'd be interested in hearing other peoples experiences.
John Hendrickx
===
This list is open to everyone. Occasionally, less thoughtful
people send inappropriat
Based on more research, here are some updates and corrections to
my reply of yesterday -- John Uebersax
MULTIDIMENSIONAL LATENT TRAIT AND ITEM RESPONSE THEORY (IRT)
MODELS
As mentioned in yesterday's post, this does not include
information on logistic-ogive and Rasch-type multidimensional
ftery, A.E. (1995) "Bayesian model selection in social research".
Sociological Methodology 25: 111-163.
Raftery's BIC is often used in loglinear models of occupational mobility,
where large sample sizes often lead to overly complex models.
Hope this h
roduces a chi-square statistic. They
wrote a book in 1982, "Residuals and influence in regression". I've never
used it though.
Hope this helps,
John Hendrickx
===
This list is open to everyone. Occasionally, less thoug
simultaneously. That is done with Fleiss' kappa (as opposed to
Cohen's kappa, which only applies for pairwise comparisons). For a
discussion of the difference between these two types of kappa, see
Joseph Fleiss, Statistical Methods for Rates and Proportions, 1981.
--
John Uebersax
[EMAIL PROTECTED
email.
For information concerning the list, please see the following web page:
http://jse.stat.ncsu.edu/
===
--
---
John W. Kulig[EMAIL
Hello,
I'd like to know of any organizations that have extensive coverage of
Multivariate Methods as part of a formal curriculum. I have a Masters
degree in Statistics and would like to build my skill set in this area.
Much appreciation for your guidance counseling.
Regards,
John
buted (and jointly distributed as bivariate
normal). However, the biserial/polyserial correlation allows that one
of the variables has been "discretized."
You might want to consider this option. For more information, you
could check Kendall Stuart, "The Advanced Theory of Statistics."
Hope this helps.
John Uebersax
[EMAIL PROTECTED]
ou would like to buy a copy (FULL MONEY
BACK GUARANTEE).
The Millennium Frieze is being sold on behalf of MatheMagic, the new
charitable organisation promoting the popularisation of mathematics. All
retail profits go to MatheMagic.
Yours sincerely
JOHN BIBBY
QED/Mat
variable or construct (locus of
control?) may be problematic. Have you assessed the dimensionality of these
items? If you find that these items do not strongly load on a single, unitary
factor, you may want to consider breaking the items up, rather than summing
them.
John
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