Graphics Reference
In-Depth Information
Figure
.
.
Univariate and bivariate density estimates (ASH) of the elevation of the US mainland,
precipitation, and maximum temperature; see text for data description and transformations
skewed, the first two variables were reexpressed as log
(
x
+
)
and log
(
y
)
,as
elevation ranged from -
to
m, and precipitation from
to
mm.
Univariate averaged shited histograms (as described in Sect.
.
.
) of these three
variables are displayed inthe firstthree panels ofFig.
.
.Forthe densities displayed
