fit.trend {sgeostat} | R Documentation |
Fits a polynomial trend function to a point
object.
Similar to functions in B. Ripleys spatial library.
fit.trend(point.obj, at, np=2, plot.it=TRUE)
point.obj |
point object |
at |
name of dependent variable in point.obj |
np |
degree of polynom to be fitted |
plot.it |
switches generation of a contour plot |
beta |
estimated parameters |
...
http://www.gis.iastate.edu/SGeoStat/homepage.html