What Don's post lacks in speed in certainly makes up in thoroughness.
This posts concerns Jan De Leeuw's definition, in which two variables
were not independent if the expected variance changed. Maybe a good
example is IQ scores, in which the expected mean does not vary with
gender, but the
Or maybe I didn't understand Don's response to Jan. Pressing ever
onward, though
I had suggested using
DEFINITION: There is a *relationship* between the vari-
ables x and y if for at least one pair of values x'
and x of x
E(y|x') ~= E(y|x).
as
In some disciplines (psych, ed, nursing, etc), Research Methods is taught as
another course. However, both courses should identify the relation between
course contents.
G Robin Edwards wrote:
In article uon58.2302$[EMAIL PROTECTED],
Donald Macnaughton [EMAIL PROTECTED] wrote:
At great
experimental design, whose basic principles are rather simple, is elegant
and if applied in good ways, can be very informative as to data, variables
and their impact, etc.
but, please hold on for a moment
when it comes to humans, we have developed some social policies that say:
1.
(This post is formatted for viewing with a fixed-width font, such
as Courier.)
This post is dedicated to the memory of Daniel DeLury (1907 -
1993) of the Department of Statistics at the University of
Toronto. Dr. DeLury's influence on me is reflected throughout
the post, but most directly in
