Dear All,

I need to evaluate an Hypsometric integral but i should "rotate" the
graphical output of

plot(ecdf(elev$elev))

I want in x the fraction of observations (pixel value of elevation) that
are above the elevation in y

the  command: plot(ecdf(elev$elev)) show in x the elevation and in y the
fraction of observation that are below the value of elevation in x

The value of 1 in plot(ecdf(elev$elev)) correspond to the maximum value
of elevation. I want the it correspond to the value of minimum.

thanks

Pierluigi
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