dd11: Computing each element of the function DD_weight_2

Description Usage Arguments

View source: R/RcppExports.R

Description

This function computes each element of the matrix function DD_weight_2 which is the second derivative of the Ds-optimality criterion with respect to the model parameters.

Usage

1
dd11(T, x1, x2, xl, inv, inv1, order)

Arguments

T

A numeric vector. Model parameter values

x1

A numeric. ith dose level for a given design

x2

A numeric. jth dose level for a given design

xl

A numeric. last dose level for a given design

inv

A numeric matrix. Inverse of the information matrix for the 5PL model

inv1

A numeric matrix. Inverse of the information matrix for the 4PL model

order

numeric. The number of model paraemters


Opt5PL documentation built on May 2, 2019, 8:26 a.m.

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