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Opt5PL (version 0.1.1)

upinfor: Obtain normalized Fisher information matrix

Description

Obtain normalized Fisher information matrix for the 3, 4, 5PL models.

Usage

upinfor(W, T, X, order)

Arguments

W

A numeric vector. The first K-1 weights for a given design

T

A numeric vector. Model parameter values

X

A numeric vector. K design points for a given design

order

numeric. The number of model paraemters