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Topic: Interpretation of coefficients in multiple regressions which model
linear dependence on an IV

Replies: 146   Last Post: Dec 15, 2012 6:44 PM

 Messages: [ Previous | Next ]
 Halitsky Posts: 600 Registered: 2/3/09
En passant question: What if a plot of slope CI’s
is lousy, but splits the “m’s” perfectly?

Posted: Nov 30, 2012 10:54 AM

Consider the following plot of slope CI?s (paste into fixed font
document if it wraps):

----------m----------
a1,1,C
--------------------m--------------------
b1,1,C
---------m---------
c2,1,C
-----m-----
b47,1,C
-----m----
c1,1,C
-----m-----
a3,1,C
-----m----
c2,1,S
-----m------
c1,1,S
------m-----
a1,1,S
-----m-----
b47,1,S
----------m----------
a3,1,S
------------------------m------------------------
b1,1,S

Between ?C? and ?S? slopes, there is obviously no CI split at all.

But there is a perfect split of ?m?s?.

Can?t anything be concluded from the perfect split of ?m?s??

(I think I know what your answer will be but wanted to check
nonetheless.)

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