Laura Quinn wrote:
Hi,
Is there a neat way of working out the slope of a flat surface in R?
Given (x,y,z) co-ordinates of the four corners of a square,
three should be sufficient
> s there a
function which will allow me to calculate the "mean" slope of the surface in a given direction?
Along the axis, one way without any thinking is to apply a regression with e=0, the neater way is to calculate the true result simply. Just insert one formula into the other ...
Uwe Ligges
Thanks in advance..
Laura
Laura Quinn Institute of Atmospheric Science School of Earth and Environment University of Leeds Leeds LS2 9JT
tel: +44 113 343 1596 fax: +44 113 343 6716 mail: [EMAIL PROTECTED]
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