VarScoreStat: Compute the estimate of the covariance of the test statistic in the score test

Description

The function computes the estimate of the covariance of the test statistic of the score test proposed by Finkelstein (1986).

Note

It is not to be called by the user.

Author(s)

Qiang Zhao and Jianguo Sun

References

Finkelstein, DM (1986), "A Proportional Hazards Model for Interval-censored Failure Time Data", Biometrics, 42: 845-854.

See Also

ScoreTest


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