xeex {penppml} | R Documentation |
XeeX Matrix Computation
Description
Given matrix ee' and matrix X, compute X(k)'ee'X(k) for each regressor X.
Usage
xeex(X, e, S)
Arguments
X |
Regressor matrix. |
e |
Residuals. |
S |
Cluster sizes. |
Value
The matrix product X(k)'ee'X(k).
[Package penppml version 0.2.3 Index]