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# scikits.statsmodels.sandbox.sysreg.SUR.whiten

`SUR.``whiten`(X)

  SUR whiten method.

  Parameters: | X : list of arrays Data to be whitened.
  Returns: | If X is the exogenous RHS of the system. : np.dot(np.kron(cholsigmainv,np.eye(M)),np.diag(X)) : If X is the endogenous LHS of the system. :

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