Geography Reference
In-Depth Information
Fig. 9.4
Quantile choropleth
maps: the ESTF for the three
points in time, and the SURE
term. Increasing
gray scale
is
proportional to increasing
values.
To p
(
a
): ESTF for
1990.
Top middle
(
b
): ESTF
for 2000.
Bottom middle
(
c
): ESTF for 2010.
Bottom
(
d
): SURE
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