This function calculates the variance-covariance matrix using the local mean estimator.
localmean.cov(zmat, weight.lst)
Matrix of weighted response values or weighted residual values for the sample points.
List from the local mean weight function containing two elements: a matrix named ij composed of the index values of neighboring points and a vector named gwt composed of weights.
The local mean estimator of the variance-covariance matrix.