Hi, thank you for reading this message. I have the following problems in
getting the correct CRIMCOORD transformation of categorical variables
in QUEST decision tree algorithm. Your help will be greatly appreciated.
Q1: In Loh Shih's paper (Split Selection Models for Classification
Trees,
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
In article 00f301c1be68$13413000$fde9e3c8@oemcomputer,
Voltolini [EMAIL PROTECTED] wrote:
Hi,
I would like to know if methods for detecting outliers
using interquartil ranges are indicated for data with
NON normal distribution.
The software Statistica presents this method:
data point value UBV
MAA PREP Workshop in Statistics for Summer 2002
An Introduction to Statistical Methods Based on Regression
Dates: June 2 through 7, 2002
Location: Oberlin College
Presenters:
Richard L. Scheaffer
Department of Statistics
University of Florida
Gainesville, FL 32611
Phone: 352-378-1996
Fax:
J. Williams wrote:
On Mon, 25 Feb 2002 15:17:55 -0800, Jay Tanzman [EMAIL PROTECTED]
wrote:
I just got chewed out by my boss for modelling the means of some 7-point
semantic differential scales. The scales were part of a written,
self-administered questionnaire, and were laid out like
2. Perhaps more likely, your boss may have learned
(wrongly?) that parametric stats should not be done unless scales
of measurement are at least interval in quality.
I don't know if his objection was to parametric statistics per se, but he did
object to calculating means on these
Hi,
I have a doubt about ordinal variables !
I understand that months (jan., feb., mar.) and level of aggression (low,
medium, high) can be accepted as qualitative ordinal variables but
my doubt is.
What about variables like seed size when using categories like small, medium
and
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Jay Tanzman wrote:
Jay Warner wrote:
Jay Tanzman wrote:
I just got chewed out by my boss for modelling the means of some 7-point
semantic differential scales. The scales were part of a written,
self-administered questionnaire, and were laid out like this:
Not stressful
Chia C Chong [EMAIL PROTECTED] wrote in message
news:a5g27d$e57$[EMAIL PROTECTED]...
Hi!
I have a set of random numbers and if I know their expectation/mean, would
it be possible to deduce a PDF to describe the distribution of them?
Knowing the mean tells you (almost) nothing about the
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