Description Usage Arguments Value
Cluster-Robust Variance-Covariance Matrix Estimator (HC0)
1 | cluster_HC0(X, e, clust)
|
X |
the model matrix. Can be obtained by applying the function |
e |
vector of residuals. Can be obtained by applying the function |
clust |
a integer vector of cluster indicators. |
returns a cluster-robust variance-covariance matrix of type HC0.
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