Correlation Index
المؤلف:
Kenney, J. F. and Keeping, E. S.
المصدر:
Mathematics of Statistics, Pt. 1, 3rd ed. Princeton, NJ: Van Nostrand, 1962
الجزء والصفحة:
...
28-3-2021
2209
Correlation Index
Given a curved regression, the correlation index is defined by
 |
(1)
|
where 
and 
are the standard deviations of the data points 
and the estimates 
given by the regression line (Kenney and Keeping 1962, p. 293). Unfortunately, the quantity 
appears not to be defined by Kenney and Keeping (1962, p. 293). Then
where 
is the variance of the observed 
s about the best-fitting curved line (Kenney and Keeping 1962, p. 293).
REFERENCES:
Kenney, J. F. and Keeping, E. S. Mathematics of Statistics, Pt. 1, 3rd ed. Princeton, NJ: Van Nostrand, 1962.
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