powexp | R Documentation |
This function computes the powered-exponential correlation function given a distance matrix. The powered-exponential correlation function is given by
C(h)=\exp\left\{-\left(\frac{h}{\phi}\right)^{\nu}\right\},
where \phi
is the range parameter. \nu
is the smoothness parameter.
The case \nu=2
corresponds to the well-known Gaussian correlation.
powexp(d, range, nu)
d |
a matrix of distances |
range |
a numerical value containing the range parameter |
nu |
a numerical value containing the smoothness parameter |
a numerical matrix
Pulong Ma mpulong@gmail.com
kernel
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