Description Note Author(s) References See Also

The function computes the estimate of the covariance of test statistics of the test proposed by Zhao and Sun (2004).

It is not to be called by the user.

Qiang Zhao and Jianguo Sun

Q. Zhao and J. Sun (2004), "Generalized Log-rank Test for Mixed-Censored Failure Time Data", Statistics in Medicine, 23: 1621-1629.

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