This is a sub-part of running Newton Raphon method to search Ds-optimal weights for the given design points. This is function probvides the obtained Ds-optimal weights after one iteration of Newton Raphson method.
1 |
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 dose levels for a given design |
d |
Numeric. Step adjustment |
I4 |
A numeric matrix. Information matrix for the 4PL model |
I5 |
A numeric matrix. Information matrix for the 5PL model |
order |
Numeric. The number of model paraemters |
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