smalldd1: Sub-function of the function D_weight_2
In Opt5PL: Optimal Designs for the 5-Parameter Logistic Model
Description
This computes the second derivative of the D-optimality criterion with respect to the model parameters for a specified model.
Usage
1
Arguments
T
A numeric vector. Model parameter values
x1
A numeric. ith dose level
x2
A numeric. jth dose level
xl
A numeric. last dose level
inv
A numeric matrix. Inverse information matrix
order
numeric. The number of model paraemters: 3, 4, 5 for the 3, 4, 5PL models respectively
Opt5PL documentation built on May 2, 2019, 8:26 a.m.
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Description
This computes the second derivative of the D-optimality criterion with respect to the model parameters for a specified model.
Usage
1 |
Arguments
T |
A numeric vector. Model parameter values |
x1 |
A numeric. ith dose level |
x2 |
A numeric. jth dose level |
xl |
A numeric. last dose level |
inv |
A numeric matrix. Inverse information matrix |
order |
numeric. The number of model paraemters: 3, 4, 5 for the 3, 4, 5PL models respectively |
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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