Subject: Re: [LPNY DISCUSS] Re: Secession? "Nuts to Albany"
Date: Fri, 18 Apr 2003 23:53:14 -0400
To:        <lpny_discuss@yahoogroups.com>
From:     Bob Armstrong <bob@cosy.com>
On Thu, 17 Apr 2003 16:35:06 -0000, greghevia wrote:
>=A0I dunno what a correllation coefficient is, but the constant=
 use of
>=A0highly multisyllabic words like that on this board should give=
 an
>=A0inkling as to why there are so many atheists here.

 Greg , you seem to have become much more open to logic
 and rational argument over the months . So , just for
 your edification :

 A ( Pearson "product moment" ) correlation coefficient 
 ( abbreviated "r" ) is a measure of the extent to which
 two sets of data tend to vary together .  

 It ranges from +1 ( if a change in one measure is always
 matched by a proportional change in the other ) to -1 
 ( if a change in one variable is alway matched by a 
  proportional change in the opposite direction by the
  other )  If there is no consistent relationship between
 the 2 variables at all ,  r =3D 0 .

 r  is in fact the cosine of the angle between the two
 data sets as points in n-dimensional space . 
 ( A fact the learning of which motivated me to learn 
  what the hell that meant . )
 
 It is simple to appreciate , however , that if the 
 correlation is 0 , the two sets of data are orthogonal ,
 or at right angles to each other .
  
--
=A0Bob Armstrong -- http://CoSy.com -- 212-285-1864
Ultimate Computing Environment : =A0http://cosy.com/K/CoSy.htm
A WTC vision : http://cosy.com/CoSy/ConicAllConnect/
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A02003/04/18 11:36:27 PM