LinkfuncDir: Direvative of the link function

In glrt: Generalized Logrank Tests for Interval-censored Failure Time Data

Description

Direvative of the link function η(x), η'(x), used in gLRT2, gLRT3, and gLRT4,.

Usage

LinkfuncDir(x, rho = 0, gamma = 0)

Arguments

x	a value between 0 and 1
rho	a non-negative parameter in [0, 1]
gamma	a non-negative parameter in [0, 1]

Value

The first derivative of the function.

Note

This is not to be called by the user.

Author(s)

Qiang Zhao and Jianguo Sun

References

X. Zhao, Q. Zhao, J. Sun, Q. and J. S. Kim (2008), "Generalized Log-rank Tests for Partly Interval-Censored Failure Time Data", Biometrical Journal, 50 (3): 375-385.

See Also

Linkfunc

Examples

LinkfuncDir(0.2, rho=0, gamma=1)

glrt documentation built on May 2, 2019, 8:31 a.m.