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Computing in Geographic Information Systems
book

Computing in Geographic Information Systems

by Narayan Panigrahi
July 2014
Intermediate to advanced content levelIntermediate to advanced
303 pages
8h 34m
English
CRC Press
Content preview from Computing in Geographic Information Systems
Spatial Statistical Methods 179
R =
n
P
i=1
(x
i
¯
X)(y
i
¯
Y )
nS
x
S
y
(9.9)
where
S
x
=
s
n
P
i=1
(x
i
¯
X)
2
N
and S
y
=
s
n
P
i=1
(y
i
¯
Y )
2
N
The S
x
and S
y
are standard deviations in x and y directions respectively.
The computed value of R for any data population varies on a scale from
+1 through 0 to 1.
R = +1 implies perfect positive association, whereby as values of one rise
they also rise of the other. The phenomena of increase in real estate rate in
a locality implies high and increased income of occupants and increase per
capita income of the locality.
R = 0 implies no association between the phenomena or attribute under
study. For example the annual rate of rainfall over ...
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Publisher Resources

ISBN: 9781482223149