hessian: A utility function to compute the hessian of the generalized...
In sp23design: Design and Simulation of Seamless Phase II-III Clinical Trials
hessian R Documentation
A utility function to compute the hessian of the generalized (conditional)
partial likelihood ratio statistic
Description
A utility function to compute the hessian of the generalized (conditional)
partial likelihood ratio statistic
Usage
hessian(theta, pi, interimData)
Arguments
theta
The three-element vector (α, β, γ)
pi
The two-element vector (π_0, π_1)
interimData
The interim data frame
Details
Computes the hessian
Value
A 3\times3 matrix of the hessian
Author(s)
Mei-Chiung Shih, Balasubramanian Narasimhan, Pei He
References
Lai, Tze Leung and Lavori, Philip W. and Shih, Mei-Chiung. Sequential
Design of Phase II-III Cancer Trials, Statistics in Medicine, Volume 31, issue 18, p.1944-1960, 2012.
sp23design documentation built on April 19, 2022, 5:08 p.m.
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| hessian | R Documentation |
A utility function to compute the hessian of the generalized (conditional) partial likelihood ratio statistic
Description
A utility function to compute the hessian of the generalized (conditional) partial likelihood ratio statistic
Usage
hessian(theta, pi, interimData)
Arguments
theta |
The three-element vector (α, β, γ) |
pi |
The two-element vector (π_0, π_1) |
interimData |
The interim data frame |
Details
Computes the hessian
Value
A 3\times3 matrix of the hessian
Author(s)
Mei-Chiung Shih, Balasubramanian Narasimhan, Pei He
References
Lai, Tze Leung and Lavori, Philip W. and Shih, Mei-Chiung. Sequential Design of Phase II-III Cancer Trials, Statistics in Medicine, Volume 31, issue 18, p.1944-1960, 2012.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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