"Ken" [EMAIL PROTECTED] writes:
Of course you'll get what you pay for.
Nonsense. http://www.visualstats.org/ http://www.r-project.org/
=
Instructions for joining and leaving this list and remarks about
the problem of
I have several variables (X1, X2...) measuring various traits of
individuals and one variable (Y) which is binary (survived/did not
survive). I would like to check if the variation in survival can be
explained with Xi variables.
It looks like a typical logistic regression
Hello,
who knows an answer to the following question?
Let's assume that I take a sample of e.g. 100 people. I ask them a
question and, e.g. 50% say "yes". I construct a 90%-confidence interval
and get a standard error of 11.6. Fine.
However, this assumes that the population size is unlimited.
There seems to be some misunderstanding in the press about a fundamental
difference between a sample of a larger population and a complete
census.
J. A. Paulos in his NY Times article We're Measuring Bacteria With a
Yardstick'
http://www.nytimes.com/2000/11/22/opinion/22PAUL.html
stated:
"Not
I am looking for a software for experimental design
have you a good site for that ?
Thanks :)
=
Instructions for joining and leaving this list and remarks about
the problem of INAPPROPRIATE MESSAGES are available at
well, let's see
if you take ANY sized sample from a target population ... as long as you
don't have all the elements in your sample (ie, you don't actually have the
population) ... then conceptually there is a standard error
that is, for that sample size ... if you repeatedly take samples and
it might be that simple probability theory is not a good vehicle for
talking about the error(S) that can/have occurred in the election (like
florida) but, the reality is that we know for sure that there are several
sources of error that can and do occur
1. voter error (misplaced marks,
Comet wrote:
I am looking for a software for experimental design
have you a good site for that ?
Thanks :)
Are you looking for software do design (computer based) experiments
or for data analysis? For the former, try the free trial versions of
Inquisit
or Superlab:
Inquisit:
simply put, the problem is that the original census is not pristine - not
unaltered. it is not simply a matter of separating clearly marked red cards
from clearly marked black cards. therefore, tho it is theoretically
possible to count well marked objects with close to zero sampling error, the
Gene Gallagher writes:
Neither of these authors explicitly use the binomial distribution (but
Paulos certainly alludes to it), but in last Sunday's Boston Globe, two
letters to the editor made the argument that if the vote difference in a
state like Florida is within sqrt(n)/2 votes (about 1225
Bob Hayden wrote:
- Forwarded message from Ken -
Of course you'll get what you pay for.
"Comet" [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I search a good and free:) sofware of stat
One may argue whether you get what you pay for, but
the estimate of the standard error for a sample from a finite population is
[{sigma/sqrt(n)}{sqrt[(N-n)/(N-1)]}].
At 12:39 PM 11/30/00 GMT, [EMAIL PROTECTED] wrote:
>Hello,
>
>who knows an answer to the following question?
>Let's assume that I take a sample of e.g. 100 people. I ask them a
On 29 Nov 2000 15:38:58 -0800, [EMAIL PROTECTED] (Donald Burrill)
wrote:
On Wed, 29 Nov 2000, Kathryn, alias [EMAIL PROTECTED], wrote:
Hi there, I am a student conducting an experiment about the McGurk Effect
(where when a word is seen spoken while a different word is heard through
There are quite a few packages, and some are
almost as good as ECHIP :)
Try http://www.echip.com/
Comet wrote:
I am looking for a software for experimental design
have you a good site for that ?
Thanks :)
--
Bob Wheeler --- (Reply to: [EMAIL PROTECTED])
ECHIP, Inc.
-=
This can't be that complicated, but I can't figure it out myself.
I need to determine whether the distribution of the total state
population into 21 counties is the same as the distribution of voters.
I have two lists of percentages, and they look similar by eye. How do
I determine whether the
On 30 Nov 2000 00:03:24 GMT, [EMAIL PROTECTED] (GJC) wrote:
snip, some details
The applications known to me simply ignore this
specific deficiency of the observations. I wonder
whether it could be tractable? Of course, you
need some quantitative estimate of the error.
Weighted
On Thu, 30 Nov 2000 11:35:50 GMT, [EMAIL PROTECTED] wrote:
who knows an answer to the following question?
Let's assume that I take a sample of e.g. 100 people. I ask them a
question and, e.g. 50% say "yes". I construct a 90%-confidence interval
and get a standard error of 11.6. Fine.
In article 001f01c058ab$480ae7a0$4ca83fd0@ramazzini,
Reg Jordan [EMAIL PROTECTED] wrote:
Instructional technologists and designers will tell you that you cannot
measure *understanding*. Understanding, at least your sense of it, should be
laid out in the course syllabus in the section on goals and
On Thu, 30 Nov 2000 17:51:26 GMT, [EMAIL PROTECTED] wrote:
This can't be that complicated, but I can't figure it out myself.
I need to determine whether the distribution of the total state
population into 21 counties is the same as the distribution of voters.
I have two lists of
- Forwarded message from Gene Gallagher -
There seems to be some misunderstanding in the press about a fundamental
difference between a sample of a larger population and a complete
census.
- End of forwarded message from Gene Gallagher -
Possibly, but I don't think the Florida
I hope this is the right newsgroup to post this question.
Problem:
I have time series of daily rainfall measured at several locations. I
want to investigate the effect of the daily rainfall at these locations
on water level (or water flow) at a given location in the same "natural
basin".
What
21 matches
Mail list logo
