emp_cov {sinar} | R Documentation |
Empirical estimate for the Covariance matrix in the Klimko-Nelson.
Description
is the covariance matrix in the Klimko-Nelson seminal paper.
Basically, we know
where
For more details, check Klimko and Nelson (1978).
Usage
emp_cov(X)
Arguments
X |
A integer matrix where each cell is the observed value in the regular lattice. |
Value
The covariance matrix estimated empirically.
Examples
data("nematodes")
emp_cov(nematodes)
[Package sinar version 0.1.0 Index]