sigma_est | R Documentation |
Computes the Variance-Covariance-Matrix of the relative effects
sigma_est(data, theta = NULL, psi = NULL, type = NULL)
data |
The data, provided as a list of lists |
theta |
A vector containing the group weights, defaults to unweighted estimator |
psi |
A list of vector weights for the clusters, defaults to unweighted estimator |
type |
A string indicating whether weighted or unweighted estimator should be used. Only if psi is not provided |
A Variance-Covariance-Matrix
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