S_weight {Opt5PL}

Newton Raphson method to get optimal weights

Description

Newton Raphson method to get optimal weights for given design points "X".

Usage

S_weight(X, T, e1, f, ...)

Arguments

X

A numeric vector. K dose levels for a given design

T

A numeric vector. Model parameter values

e1

Numeric. Threshold to stop the iteration.

f

A character. D_weight for D-optimal weight; c_weight for c-optimal weight; DD_weight for Ds-optimal weight

...

Default.