re:notches
Vermont has Smuggler's Notch between Stowe and Jeffersonville.
rb
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Using the data from this site, I did a matrix of scatterplots of the number of votes each candidate received versus each of the other candidates. Looks to me like Palm Beach county always shows up as an outlier for any scatterplot involving Buchanan, McReynolds, or Phillips. All were on the right
I wouldn't run to the media quite yet. I've been looking at the data since first
hearing about it an hour ago. Start looking at the assumptions of linearity and
especially normality and Palm Beach may not be such an outlier as you think.
Interesting data set though.
rick
--- Juan Zuluag
Hmmm, "John" sounds easy to pronounce :-)
rick
--- "Mardo, John G [AMSTA-AR-QAW-P]" wrote:
Have any of you ever actually heard Dr. Kolmogorov or his parents pronounce
his name? If not, then you cannot really be sure of the proper way to
pronounce it. My name is fairly simple, yet I have hea
--- Radford Neal wrote:
In article <[EMAIL PROTECTED]>,
Thom Baguley <[EMAIL PROTECTED]> wrote:
> You can get important significant effects, unimportant significant
> effects, important non-significant effects and unimportant
> non-significant effects.
I'll go for three out of four of these. B
Those interested in the recent thread about predicting Olympic medals might want to check out today's article in The Dartmouth at:
http://www.thedartmouth.com/article.php?aid=200010050107
rick
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Hello Derek,
For starters, you might look at the College Board's information on their Advanced Placement course in statistics. There's a pretty good description of the course content and an outline at:
www.collegeboard.org/ap/statistics/
there is a list of resources for teachers (including reco
I have been trying to search for reviews of data mining software (e.g., MineSet, Clementine) with little success. In the past, some of you have had recommendations/advice about stat packages; I wonder if you might share your views on data mining: Specifically,
1) Any feelings (+ or -) on data m
Suppose I have 4 groups, and want to compare means. I do a one-way ANOVA using Bonferroni (my choice) contrasts to get at pairwise differences.
Suppose I decide that I have non-normality problems and decide to treat dependent variable as ranks. I can do a Kruskal-Wallis test, or equivalently (I'
Re: Don's comments.
Much of what Don says is true, but I disagree with his portrayel of cluster analysis
as being used with only "quantitative" measures. Clustering can be done not only with
distance measures but with similarity measures. There are a number of coefficents
that can be used to
Hello Manuel,
I think a good place to start is Barnett, V and Lewis, T, Outliers in statistical
data.
rick
--- "Manuel Castejon Limas" wrote:
Dear people,
I¥m looking for outlier detection methods in non normal multivariate
distributions.
Any help would be appreciated.
===
FYI,
Among the books I examined (some old, some recent) were texts by Hays, Mendenhall,
Neter et al., Moore & McCabe, Jaccard & Becker, and Myers.
rick
--- "William B. Ware" wrote:
On 8 May 2000, Richard M. Barton wrote:
> ***Technically incorrect? I'm not so su
--- "Donald F. Burrill" wrote:
On Mon, 8 May 2000, Khai L. Lai wrote:
snip
> or
> H_0: d = 0
> H_a: d < 0
This is a not uncommon formulation, but is technically
incorrect since the possibility d > 0 is not represented in the set of
hypotheses. If the alternative is to be
Hi Don,
Thanks for the response. Comments, clarification, and questions below.
--- You wrote:
On 3 May 2000, Richard M. Barton wrote:
> Suppose Y does not appear to be normally distributed, but Z=ln(Y) does.
>
> I do a linear regression of Z on X, which is dichotomous (0,1).
&g
Forgive what may be simplistic questions:
Suppose Y does not appear to be normally distributed, but Z=ln(Y) does.
I do a linear regression of Z on X, which is dichotomous (0,1).
1) In simple terms, what does the unstandardized regression coefficient b tell me about the relationship between X and
Tatsuoka, M. (1988), Multivariate Analysis, has a few pages that discusses some of the
different situations where one criterion might be preferred over another.
rb
--- Mike and Michele Hewitt wrote:
Hope that got your attention:)
Can anyone tell me the conditions for using Roy's Largest Root
An example of specialized knowledge:
Last Friday, a colleague showed me how he was using a data mining program to cluster
over 1000 genes using 5 variables. After clustering, he used the program to generate
a pretty, spinnable 3-D plot of his data on 3 of the original variables. It had
colo
Robert,
Everybody? Not me. I'd teach everything in terms of effect sizes. Then we get to
argue over what are large/small effect sizes.
rick
--- You wrote:
> let's say that today ... we as the statistical community decided, by
> democratic vote, that the concept of 'hypothesis testing' ..
ill display a bivariate normal distribution, but in at least some of
those scenarios the distribution in question is not the X-Y distribution
but the distribution of a pair of linear combinations of X and Y.
I think. ...
-- Don.
On 29 Mar 2000, Richard M. Barton wrote:
> On 2
--- You wrote:
On 28 Mar 2000 07:15:35 -0800, [EMAIL PROTECTED] (dennis roberts) wrote:
> here is a contest question: best answer wins something ... what? i have no idea
>
> what would be a good VERBAL description of the bivariate normal
> distribution ... as the population rho between X and Y
Sorry for the second post, but I received only one response to the first.
Can anyone give me references for the use of hot-decking techniques to estimate values for missing data? References that refer to SAS programming would be especially appreciated.
Thanks in advance.
rick barton
Grandpa, what's a card punch key?
--- You wrote:
William Dudley wrote:
> Please excuse an off topic question.
> I am looking for a citation for a statement about learning statistics.
>
> I believe that Richard Harris wrote in his Primer of Multivariate
> Statistics something to the effect that
Here's what I get from the 1985 edition, p. 39.
"True understanding of any statistical technique resides at least as much in the
fingertips (be they caressing a pencil or poised over a desk calculator or a CRT
keyboard) as in the cortex."
--- You wrote:
Please excuse an off topic question.
I
--- Alex Yu wrote:
A statistical procedure alone cannot determine casual relationships.
---
Correct. A lot depends on eye contact.
rb
===
This list is open to everyone. Occasionally, people lacking respect
for othe
Technically, this is not a stat question but a data analysis question, and I think some of you might be able to give advice:
I have someone looking for a package that will help her analyze what she calls qualitative data and I call responses to open-ended questions, basically text. I expect she's
I just want to thank all of the people who have responded to the original post about
counting seeds. It has been a helpful conversation so far, and I hope it continues.
I am passing your messages on to the student who came to me with the problem, and
we'll work something out based on your com
A biology student came to me with a data analysis situation that I wasn't sure how to
deal with. Sound advice would be appreciated.
Scenario:
Ben has a number of 1 meter square plots where he placed one or more seeds:
50 plots with 1 seed
10 plots with 25 seeds
10 plots with 50 seeds
A biology student came to me with a data analysis situation that I wasn't sure how to
deal with. Sound advice would be appreciated.
Scenario:
Ben has a number of 1 meter square plots where he placed one or more seeds:
50 plots with 1 seed
10 plots with 25 seeds
10 plots with 50 seeds
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